{"id":890,"date":"2025-03-22T14:17:40","date_gmt":"2025-03-22T06:17:40","guid":{"rendered":"https:\/\/eve2333.top\/?p=890"},"modified":"2025-03-22T14:17:41","modified_gmt":"2025-03-22T06:17:41","slug":"mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e5%85%a5%e9%97%a8%e5%88%b0%e5%a4%a7%e8%9b%87%e5%b0%9a%e7%a1%85%e8%b0%b7%e5%ae%8b%e7%ba%a2%e5%ba%b7%e8%80%81%e5%b8%88%e7%ac%94%e8%ae%b0-%e9%ab%98%e7%ba%a7%e7%af%87-pa-3","status":"publish","type":"post","link":"https:\/\/eve2333.top\/?p=890","title":{"rendered":"MySQL\u6570\u636e\u5e93\u5165\u95e8\u5230\u5927\u86c7\u5c1a\u7845\u8c37\u5b8b\u7ea2\u5eb7\u8001\u5e08\u7b14\u8bb0 \u9ad8\u7ea7\u7bc7 part 3"},"content":{"rendered":"\n

\u7b2c03\u7ae0_\u7528\u6237\u4e0e\u6743\u9650\u7ba1\u7406<\/h1>\n\n\n\n

 MySQL\u7528\u6237\u53ef\u4ee5\u5206\u4e3a\u666e\u901a\u7528\u6237\u548croot\u7528\u6237\u3002root\u7528\u6237\u662f\u8d85\u7ea7\u7ba1\u7406\u5458\uff0c\u62e5\u6709\u6240\u6709\u6743\u9650\uff0c\u5305\u62ec\u521b\u5efa\u7528\u6237\u3001\u5220\u9664\u7528\u6237\u548c\u4fee\u6539\u7528\u6237\u7684\u5bc6\u7801\u7b49\u7ba1\u7406\u6743\u9650\uff1b\u666e\u901a\u7528\u6237\u53ea\u62e5\u6709\u88ab\u6388\u4e88\u7684\u5404\u79cd\u6743\u9650\u3002
MySQL\u63d0\u4f9b\u4e86\u8bb8\u591a\u8bed\u53e5\u7528\u6765\u7ba1\u7406\u7528\u6237\u8d26\u53f7\uff0c\u8fd9\u4e9b\u8bed\u53e5\u53ef\u4ee5\u7528\u6765\u7ba1\u7406\u5305\u62ec\u767b\u5f55\u548c\u9000\u51faMySQL\u670d\u52a1\u5668\u3001\u521b\u5efa\u7528\u6237\u3001\u5220\u9664\u7528\u6237\u3001\u5bc6\u7801\u7ba1\u7406\u548c\u6743\u9650\u7ba1\u7406\u7b49\u5185\u5bb9\u3002
MySQL\u6570\u636e\u5e93\u7684\u5b89\u5168\u6027\u9700\u8981\u901a\u8fc7\u8d26\u6237\u7ba1\u7406\u6765\u4fdd\u8bc1\u3002<\/p>\n\n\n\n

1.1 \u767b\u5f55MySQL\u670d\u52a1\u5668<\/h2>\n\n\n\n

\u542f\u52a8MySQL\u670d\u52a1\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7mysql\u547d\u4ee4\u6765\u767b\u5f55MySQL\u670d\u52a1\u5668\uff0c\u547d\u4ee4\u5982\u4e0b\uff1amysql \u2013h hostname|hostIP \u2013P port \u2013u username \u2013p DatabaseName \u2013e \"SQL\u8bed\u53e5\" <\/p>\n\n\n\n

[root@atguigu05~]#mysql -h localhost -P dbtestl -e \"select *from emp1\";\n-h\u53c2\u6570 \u540e\u9762\u63a5\u4e3b\u673a\u540d\u6216\u8005\u4e3b\u673aIP\uff0chostname\u4e3a\u4e3b\u673a\uff0chostIP\u4e3a\u4e3b\u673aIP\u3002\n-P\u53c2\u6570 \u540e\u9762\u63a5MySQL\u670d\u52a1\u7684\u7aef\u53e3\uff0c\u901a\u8fc7\u8be5\u53c2\u6570\u8fde\u63a5\u5230\u6307\u5b9a\u7684\u7aef\u53e3\u3002MySQL\u670d\u52a1\u7684\u9ed8\u8ba4\u7aef\u53e3\u662f3306\uff0c\n\u4e0d\u4f7f\u7528\u8be5\u53c2\u6570\u65f6\u81ea\u52a8\u8fde\u63a5\u52303306\u7aef\u53e3\uff0cport\u4e3a\u8fde\u63a5\u7684\u7aef\u53e3\u53f7\u3002\n-u\u53c2\u6570 \u540e\u9762\u63a5\u7528\u6237\u540d\uff0cusername\u4e3a\u7528\u6237\u540d\u3002\n-p\u53c2\u6570 \u4f1a\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u3002\nDatabaseName\u53c2\u6570 \u6307\u660e\u767b\u5f55\u5230\u54ea\u4e00\u4e2a\u6570\u636e\u5e93\u4e2d\u3002\u5982\u679c\u6ca1\u6709\u8be5\u53c2\u6570\uff0c\u5c31\u4f1a\u76f4\u63a5\u767b\u5f55\u5230MySQL\u6570\u636e\u5e93\n\u4e2d\uff0c\u7136\u540e\u53ef\u4ee5\u4f7f\u7528USE\u547d\u4ee4\u6765\u9009\u62e9\u6570\u636e\u5e93\u3002\n-e\u53c2\u6570 \u540e\u9762\u53ef\u4ee5\u76f4\u63a5\u52a0SQL\u8bed\u53e5\u3002\u767b\u5f55MySQL\u670d\u52a1\u5668\u4ee5\u540e\u5373\u53ef\u6267\u884c\u8fd9\u4e2aSQL\u8bed\u53e5\uff0c\u7136\u540e\u9000\u51faMySQL\n\u670d\u52a1\u5668\u3002<\/code><\/pre>\n\n\n\n
 \u7cfb\u7edf\u521b\u5efa\u597d\u5b9e\u9645\u4e0a\u662f\u6709\u51e0\u4e2a\u7528\u6237\u7684 <\/p>\n\n\n\n
1.2 \u521b\u5efa\u7528\u6237<\/h3>\n\n\n\n
CREATE USER\u8bed\u53e5\u7684\u57fa\u672c\u8bed\u6cd5\u5f62\u5f0f\u5982\u4e0b\uff1a\nCREATE USER \u7528\u6237\u540d [IDENTIFIED BY '\u5bc6\u7801'][,\u7528\u6237\u540d [IDENTIFIED BY '\u5bc6\u7801']];\n\nCREATE USER zhang3 IDENTIFIED BY '123123';  # \u9ed8\u8ba4host\u662f %\nCREATE USER 'kangshifu'@'localhost' IDENTIFIED BY '123456';\n\n\nmysql> create user 'zhang3' identified by'abc123';\nQuery 0K,0 rows affected (0.02 sec)\n\nmysql> select host,user from user;\nhost                     user\n%                         root\n%                         zhang3\nlocalhost                 mysql.infoschema\nlocalhost                 mysql.session\nlocalhost                 mysql.sys\n\n5 rows in set (0.00 sec)<\/code><\/pre>\n\n\n\n
1.3 \u4fee\u6539\u7528\u6237<\/h3>\n\n\n\n
\u4fee\u6539\u7528\u6237\u540d\uff1a \nUPDATE mysql.user SET USER='li4' WHERE USER='wang5'; \nFLUSH PRIVILEGES; <\/code><\/pre>\n\n\n\n
1.4 \u5220\u9664\u7528\u6237<\/h3>\n\n\n\n
\u65b9\u5f0f1\uff1a\u4f7f\u7528DROP\u65b9\u5f0f\u5220\u9664\uff08\u63a8\u8350\uff09<\/p>\n\n\n\n
\u4f7f\u7528DROP USER\u8bed\u53e5\u6765\u5220\u9664\u7528\u6237\u65f6\uff0c\u5fc5\u987b\u7528\u4e8eDROP USER\u6743\u9650\u3002DROP USER\u8bed\u53e5\u7684\u57fa\u672c\u8bed\u6cd5\u5f62\u5f0f\u5982\u4e0b\uff1a DROP USER user[,user]\u2026; <\/p>\n\n\n\n
DROP USER li4 ;  # \u9ed8\u8ba4\u5220\u9664host\u4e3a%\u7684\u7528\u6237\nDROP USER 'kangshifu'@'localhost';<\/code><\/pre>\n\n\n\n
\u65b9\u5f0f2\uff1a\u4f7f\u7528DELETE\u65b9\u5f0f\u5220\u9664<\/p>\n\n\n\n
DELETE FROM mysql.user WHERE Host=\u2019hostname\u2019 AND User=\u2019username\u2019;
\u6267\u884c\u5b8cDELETE\u547d\u4ee4\u540e\u8981\u4f7f\u7528FLUSH\u547d\u4ee4\u6765\u4f7f\u7528\u6237\u751f\u6548 . \u4f46\u5fc5\u987b\u62e5\u6709\u5bf9mysql.user\u8868\u7684DELETE\u6743\u9650\uff0c\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a FLUSH PRIVILEGES; <\/p>\n\n\n\n
DELETE FROM mysql.user WHERE Host='localhost' AND User='Emily';\nFLUSH PRIVILEGES;\n#Host\u5b57\u6bb5\u548cUser\u5b57\u6bb5\u662fuser\u8868\u7684\u8054\u5408\u4e3b\u952e\uff0c\u56e0\u6b64\u4e24\u4e2a\u5b57\u6bb5\u7684\u503c\u624d\u80fd\u552f\u4e00\u786e\u5b9a\u4e00\u6761\u8bb0\u5f55\u3002\n\n\n\u6ce8\u610f\uff1a\u4e0d\u63a8\u8350\u901a\u8fc7DELETE FROM USER u WHERE USER='li4' \u8fdb\u884c\u5220\u9664\uff0c\u7cfb\u7edf\u4f1a\u6709\u6b8b\u7559\u4fe1\u606f\u4fdd\n\u7559\u3002\u800cdrop user\u547d\u4ee4\u4f1a\u5220\u9664\u7528\u6237\u4ee5\u53ca\u5bf9\u5e94\u7684\u6743\u9650\uff0c\u6267\u884c\u547d\u4ee4\u540e\u4f60\u4f1a\u53d1\u73b0mysql.user\u8868\u548cmysql.db\u8868\n\u7684\u76f8\u5e94\u8bb0\u5f55\u90fd\u6d88\u5931\u4e86\u3002\n<\/code><\/pre>\n\n\n\n
1.5 \u8bbe\u7f6e\u5f53\u524d\u7528\u6237\u5bc6\u7801<\/h3>\n\n\n\n
root\u7528\u6237\u62e5\u6709\u5f88\u9ad8\u7684\u6743\u9650\uff0c\u56e0\u6b64\u5fc5\u987b\u4fdd\u8bc1root\u7528\u6237\u7684\u5bc6\u7801\u5b89\u5168\u3002root\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u6765\u4fee\u6539\u5bc6\u7801\uff0c\u4f7f\u7528ALTERUSER\u4fee\u6539\u7528\u6237\u5bc6\u7801\u662fMySQL\u5b98\u65b9\u63a8\u8350\u7684\u65b9\u5f0f\u3002\u6b64\u5916\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7SET\u8bed\u53e5\u4fee\u6539\u5bc6\u7801\u3002\u7531\u4e8eMySQL8\u4e2d\u5df2\u79fb\u9664\u4e86PASSWORD\uff08\u51fd\u6570\uff0c\u56e0\u6b64\u4e0d\u518d\u4f7f\u7528UPDATE\u8bed\u53e5\u76f4\u63a5\u64cd\u4f5c\u7528\u6237\u8868\u4fee\u6539\u5bc6\u7801\u3002<\/p>\n\n\n\n
\u65e7\u7684\u5199\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n
 # \u4fee\u6539\u5f53\u524d\u7528\u6237\u7684\u5bc6\u7801\uff1a\uff08MySQL5.7\u6d4b\u8bd5\u6709\u6548\uff09 \n SET PASSWORD = PASSWORD('123456');<\/code><\/pre>\n\n\n\n
\u8fd9\u91cc\u4ecb\u7ecd \u63a8\u8350\u7684\u5199\u6cd5\uff1a<\/p>\n\n\n\n
1. \u4f7f\u7528ALTER USER\u547d\u4ee4\u6765\u4fee\u6539\u5f53\u524d\u7528\u6237\u5bc6\u7801<\/p>\n\n\n\n
\u7528\u6237\u53ef\u4ee5\u4f7f\u7528ALTER\u547d\u4ee4\u6765\u4fee\u6539\u81ea\u8eab\u5bc6\u7801\uff0c\u5982\u4e0b\u8bed\u53e5\u4ee3\u8868\u4fee \u6539\u5f53\u524d\u767b\u5f55\u7528\u6237\u7684\u5bc6\u7801\u3002\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n
ALTER USER USER() IDENTIFIED BY 'new_password'; <\/code><\/pre>\n\n\n\n
2. \u4f7f\u7528SET\u8bed\u53e5\u6765\u4fee\u6539\u5f53\u524d\u7528\u6237\u5bc6\u7801 \u4f7f\u7528root\u7528\u6237\u767b\u5f55MySQL\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528SET\u8bed\u53e5\u6765\u4fee\u6539\u5bc6\u7801\uff0c\u5177\u4f53 SQL\u8bed\u53e5\u5982\u4e0b\uff1a<\/p>\n\n\n\n
SET PASSWORD='new_password';<\/code><\/pre>\n\n\n\n
\u8be5\u8bed\u53e5\u4f1a\u81ea\u52a8\u5c06\u5bc6\u7801\u52a0\u5bc6\u540e\u518d\u8d4b\u7ed9\u5f53\u524d\u7528\u6237\u3002\"\"<\/p>\n\n\n\n
1.6 \u4fee\u6539\u5176\u5b83\u7528\u6237\u5bc6\u7801<\/h3>\n\n\n\n
1. \u4f7f\u7528ALTER\u8bed\u53e5\u6765\u4fee\u6539\u666e\u901a\u7528\u6237\u7684\u5bc6\u7801 \u53ef\u4ee5\u4f7f\u7528ALTER USER\u8bed\u53e5\u6765\u4fee\u6539\u666e\u901a\u7528\u6237\u7684\u5bc6\u7801\u3002\u57fa\u672c\u8bed\u6cd5\u5f62 \u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n
 ALTER USER user [IDENTIFIED BY '\u65b0\u5bc6\u7801'] [,user[IDENTIFIED BY '\u65b0\u5bc6\u7801']]\u2026; <\/code><\/pre>\n\n\n\n
2. \u4f7f\u7528SET\u547d\u4ee4\u6765\u4fee\u6539\u666e\u901a\u7528\u6237\u7684\u5bc6\u7801 \u4f7f\u7528root\u7528\u6237\u767b\u5f55\u5230MySQL\u670d\u52a1\u5668\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528SET\u8bed\u53e5\u6765\u4fee\u6539\u666e \u901a\u7528\u6237\u7684\u5bc6\u7801\u3002SET\u8bed\u53e5\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n
SET PASSWORD FOR 'username'@'hostname'='new_password'; <\/code><\/pre>\n\n\n\n
root\u7528\u6237\u4e0d\u4ec5\u53ef\u4ee5\u4fee\u6539\u81ea\u5df1\u7684\u5bc6\u7801\uff0c\u8fd8\u53ef\u4ee5\u4fee\u6539\u5176\u5b83\u666e\u901a\u7528\u6237\u7684\u5bc6\u7801\u3002root\u7528\u6237\u767b\u5f55MySQL\u670d\u52a1\u5668\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7ALTER\u8bed\u53e5\u548cSET\u8bed\u53e5\u6765\u4fee\u6539\u666e\u901a\u7528\u6237\u7684\u5bc6\u7801\u3002\u7531\u4e8ePASSWORD\uff08\u51fd\u6570\u5df2\u79fb\u9664\uff0c\u56e0\u6b64\u4f7f\u7528UPDATE\u76f4\u63a5\u64cd\u4f5c\u7528\u6237\u8868\u7684\u65b9\u5f0f\u5df2\u4e0d\u518d\u4f7f\u7528\u3002<\/p>\n\n\n\n
3. \u4f7f\u7528UPDATE\u8bed\u53e5\u4fee\u6539\u666e\u901a\u7528\u6237\u7684\u5bc6\u7801\uff08\u4e0d\u63a8\u8350\uff09<\/p>\n\n\n\n
UPDATE MySQL.user SET authentication_string=PASSWORD(\"123456\") \nWHERE User = \"username\" AND Host = \"hostname\";<\/code><\/pre>\n\n\n\n
1.7MySQL8\u5bc6\u7801\u7ba1\u7406\uff08\u4e86\u89e3\uff09<\/h3>\n\n\n\n
MySQL\u4e2d\u8bb0\u5f55\u4f7f\u7528\u8fc7\u7684\u5386\u53f2\u5bc6\u7801\uff0c\u76ee\u524d\u5305\u542b\u5982\u4e0b\u5bc6\u7801\u7ba1\u7406\u529f\u80fd\uff1a
(1\uff09\u5bc6\u7801\u8fc7\u671f\uff1a\u8981\u6c42\u5b9a\u671f\u4fee\u6539\u5bc6\u7801\u3002
(2\uff09\u5bc6\u7801\u91cd\u7528\u9650\u5236\uff1a\u4e0d\u5141\u8bb8\u4f7f\u7528\u65e7\u5bc6\u7801\u3002
(3\uff09\u5bc6\u7801\u5f3a\u5ea6\u8bc4\u4f30\uff1a\u8981\u6c42\u4f7f\u7528\u9ad8\u5f3a\u5ea6\u7684\u5bc6\u7801\u3002(\u7b2c1\u7ae0\u5df2\u8bb2)
\u63d0\u793a
MySQL\u5bc6\u7801\u7ba1\u7406\u529f\u80fd\u53ea\u9488\u5bf9\u4f7f\u7528\u57fa\u4e8eMySQL\u6388\u6743\u63d2\u4ef6\u7684\u8d26\u53f7\uff0c\u8fd9\u4e9b\u63d2\u4ef6\u6709mysqL_native_password\u3001sha256_password\u548ccaching_sha2_password\u3002 <\/p>\n\n\n\n
1. \u5bc6\u7801\u8fc7\u671f\u7b56\u7565 \u5728MySQl\u4e2d\uff0c\u6570\u636e\u5e93\u7ba1\u7406\u5458\u53ef\u4ee5 \u8fc7\u671f\u7b56\u7565\u53ef\u4ee5\u662f \u624b\u52a8\u8bbe\u7f6e\u8d26\u53f7\u5bc6\u7801\u8fc7\u671f\uff0c\u4e5f\u53ef\u4ee5\u5efa\u7acb\u4e00\u4e2a \u5168\u5c40\u7684\uff0c\u4e5f\u53ef\u4ee5\u4e3a \u6bcf\u4e2a\u8d26\u53f7\u8bbe\u7f6e\u5355\u72ec\u7684\u8fc7\u671f\u7b56\u7565 <\/p>\n\n\n\n
\u624b\u52a8\u8bbe\u7f6e\u7acb\u9a6c\u8fc7\u671f<\/p>\n\n\n\n
\u624b\u52a8\u8bbe\u7f6e\u8d26\u53f7\u5bc6\u7801\u8fc7\u671f\uff0c\u53ef\u4f7f\u7528\u5982\u4e0b\u8bed\u53e5\uff1a<\/p>\n\n\n\n
ALTER USER user PASSWORD EXPIRE;<\/code><\/pre>\n\n\n\n
\u7ec3\u4e60\uff1a\u5c06\u7528\u6237kangshifu\u8d26\u53f7\u7684\u5bc6\u7801\u8bbe\u7f6e\u4e3a\u8fc7\u671f\uff0cSQL\u8bed\u53e5\u5982\u4e0b<\/p>\n\n\n\n
ALTER USER \u2018kangshifu'@'localhost\u2032 PASSWORD EXPIRE;<\/code><\/pre>\n\n\n\n
\u8be5\u8bed\u53e5\u5c06\u7528\u6237kangshifu\u7684\u5bc6\u7801\u8bbe\u7f6e\u4e3a\u8fc7\u671f\uff0ckangshifu\u7528\u6237\u4ecd\u7136\u53ef\u4ee5\u767b\u5f55\u8fdb\u5165\u6570\u636e\u5e93\uff0c\u4f46\u65e0\u6cd5\u8fdb\u884c\u67e5\u8be2\u3002\u5bc6\u7801\u8fc7\u671f\u540e\uff0c\u53ea\u6709\u91cd\u65b0\u8bbe\u7f6e\u4e86\u65b0\u5bc6\u7801\uff0c\u624d\u80fd\u6b63\u5e38\u4f7f\u7528\u3002 <\/p>\n\n\n\n
\u624b\u52a8\u8bbe\u7f6e\u6307\u5b9a\u65f6\u95f4\u8fc7\u671f\u65b9\u5f0f1\uff1a\u5168\u5c40<\/strong><\/p>\n\n\n\n
\u5982\u679c\u5bc6\u7801\u4f7f\u7528\u7684\u65f6\u95f4\u5927\u4e8e\u5141\u8bb8\u7684\u65f6\u95f4\uff0c\u670d\u52a1\u5668\u4f1a\u81ea\u52a8\u8bbe\u7f6e\u4e3a\u8fc7\u671f\uff0c\u4e0d\u9700\u8981\u624b\u52a8\u8bbe\u7f6e\u3002
MySQL\u4f7f\u7528default_password_lifetime\u7cfb\u7edf\u53d8\u91cf\u5efa\u7acb\u5168\u5c40\u5bc6\u7801\u8fc7\u671f\u7b56\u7565\u3002<\/p>\n\n\n\n
    \n
  • \u5b83\u7684\u9ed8\u8ba4\u503c\u662fo\uff0c\u8868\u793a\u7981\u7528\u81ea\u52a8\u5bc6\u7801\u8fc7\u671f\u3002<\/li>\n\n\n\n
  • \u5b83\u5141\u8bb8\u7684\u503c\u662f\u6b63\u6574\u6570N\uff0c\u8868\u793a\u5141\u8bb8\u7684\u5bc6\u7801\u751f\u5b58\u671f\u3002\u5bc6\u7801\u5fc5\u987b\u6bcf\u9694N\u5929\u8fdb\u884c\u4fee\u6539\u3002<\/li>\n<\/ul>\n\n\n\n
    \u4e24\u79cd\u5b9e\u73b0\u65b9\u5f0f\u5206\u522b\u5982\u56fe\u6240\u793a\uff1a <\/p>\n\n\n\n
    \u65b9\u5f0f\u2460\uff1a\u4f7f\u7528SQL\u8bed\u53e5\u66f4\u6539\u8be5\u53d8\u91cf\u7684\u503c\u5e76\u6301\u4e45\u5316<\/strong><\/p>\n\n\n\n
    SET PERSIST default_password_lifetime = 180; # \u5efa\u7acb\u5168\u5c40\u7b56\u7565\uff0c\u8bbe\u7f6e\u5bc6\u7801\u6bcf\u9694180\u5929\u8fc7\u671f<\/code><\/pre>\n\n\n\n
    \u65b9\u5f0f\u2461\uff1a\u914d\u7f6e\u6587\u4ef6my.cnf\u4e2d\u8fdb\u884c\u7ef4\u62a4<\/strong><\/p>\n\n\n\n
    [mysqld] \ndefault_password_lifetime=180 #\u5efa\u7acb\u5168\u5c40\u7b56\u7565\uff0c\u8bbe\u7f6e\u5bc6\u7801\u6bcf\u9694180\u5929\u8fc7\u671f <\/code><\/pre>\n\n\n\n
    \n
    \u4ee5\u4e0b\u7684\u8fd9\u4e9b\u4e0d\u91cd\u8981<\/strong><\/p>\n\n\n\n
    \u624b\u52a8\u8bbe\u7f6e\u6307\u5b9a\u65f6\u95f4\u8fc7\u671f\u65b9\u5f0f<\/p>\n\n\n\n
    2\uff1a\u5355\u72ec\u8bbe\u7f6e \u6bcf\u4e2a\u8d26\u53f7\u65e2\u53ef\u5ef6\u7528\u5168\u5c40\u5bc6\u7801\u8fc7\u671f\u7b56\u7565\uff0c\u4e5f\u53ef\u5355\u72ec\u8bbe\u7f6e\u7b56\u7565\u3002\u5728 CREATE USER \u548c ALTER USER \u8bed\u53e5\u4e0a\u52a0\u5165PASSWORD EXPIRE \u9009\u9879\u53ef\u5b9e\u73b0\u5355\u72ec\u8bbe\u7f6e\u7b56\u7565\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u8bed\u53e5\u793a\u4f8b\u3002<\/p>\n\n\n\n
    #\u8bbe\u7f6ekangshifu\u8d26\u53f7\u5bc6\u7801\u6bcf90\u5929\u8fc7\u671f\uff1a<\/p>\n\n\n\n
    CREATE USER 'kangshifu'@'localhost' PASSWORD EXPIRE INTERVAL 90 DAY;<\/p>\n\n\n\n
    ALTER USER 'kangshifu'@'localhost' PASSWORD EXPIRE INTERVAL 90 DAY;<\/p>\n\n\n\n
    #\u8bbe\u7f6e\u5bc6\u7801\u6c38\u4e0d\u8fc7\u671f\uff1a<\/p>\n\n\n\n
    CREATE USER 'kangshifu'@'localhost' PASSWORD EXPIRE NEVER;<\/p>\n\n\n\n
    ALTER USER 'kangshifu'@'localhost' PASSWORD EXPIRE NEVER;<\/p>\n\n\n\n
    #\u5ef6\u7528\u5168\u5c40\u5bc6\u7801\u8fc7\u671f\u7b56\u7565\uff1a<\/p>\n\n\n\n
    CREATE USER 'kangshifu'@'localhost' PASSWORD EXPIRE DEFAULT;<\/p>\n\n\n\n
    ALTER USER 'kangshifu'@'localhost' PASSWORD EXPIRE DEFAULT; <\/p>\n<\/blockquote>\n\n\n\n
    2. \u5bc6\u7801\u91cd\u7528\u7b56\u7565 <\/h2>\n\n\n\n
    \"\"<\/p>\n\n\n\n
    \"\"<\/p>\n\n\n\n
     #\u4e0d\u80fd\u4f7f\u7528\u6700\u8fd1365\u5929\u5185\u7684\u5bc6\u7801\uff1a\nCREATE USER 'kangshifu'@'localhost' PASSWORD REUSE INTERVAL 365 DAY;\n ALTER USER 'kangshifu'@'localhost' PASSWORD REUSE INTERVAL 365 DAY;\n #\u65e2\u4e0d\u80fd\u4f7f\u7528\u6700\u8fd15\u4e2a\u5bc6\u7801\uff0c\u4e5f\u4e0d\u80fd\u4f7f\u7528365\u5929\u5185\u7684\u5bc6\u7801\nCREATE USER 'kangshifu'@'localhost'\n PASSWORD HISTORY 5\n PASSWORD REUSE INTERVAL 365 DAY;\n ALTER USER 'kangshifu'@'localhost'\nPASSWORD HISTORY 5\n PASSWORD REUSE INTERVAL 365 DAY;<\/code><\/pre>\n\n\n\n
    2. \u6743\u9650\u7ba1\u7406<\/h2>\n\n\n\n
    \u901a\u8fc7show privileges\u6765\u770b\u6709\u591a\u5c11\u6743\u9650 62\u9879\u6743\u9650<\/code><\/pre>\n\n\n\n
      \n
    • \uff081\uff09 CREATE\u548cDROP\u6743\u9650 \uff0c\u53ef\u4ee5\u521b\u5efa\u65b0\u7684\u6570\u636e\u5e93\u548c\u8868\uff0c\u6216\u5220\u9664\uff08\u79fb\u6389\uff09\u5df2\u6709\u7684\u6570\u636e\u5e93\u548c\u8868\u3002\u5982\u679c\u5c06 MySQL\u6570\u636e\u5e93\u4e2d\u7684DROP\u6743\u9650\u6388\u4e88\u67d0\u7528\u6237\uff0c\u7528\u6237\u5c31\u53ef\u4ee5\u5220\u9664MySQL\u8bbf\u95ee\u6743\u9650\u4fdd\u5b58\u7684\u6570\u636e\u5e93\u3002<\/li>\n\n\n\n
    • \uff082\uff09 SELECT\u3001INSERT\u3001UPDATE\u548cDELETE\u6743\u9650 \u5141\u8bb8\u5728\u4e00\u4e2a\u6570\u636e\u5e93\u73b0\u6709\u7684\u8868\u4e0a\u5b9e\u65bd\u64cd\u4f5c\u3002<\/li>\n\n\n\n
    • \uff083\uff09 \u53ea\u6709\u5728\u5b83\u4eec\u771f\u6b63\u4ece\u4e00\u4e2a\u8868\u4e2d\u68c0\u7d22\u884c\u65f6\u624d\u88ab\u7528\u5230\u3002<\/li>\n\n\n\n
    • \uff084\uff09 SELECT\u6743\u9650 INDEX\u6743\u9650 \u5141\u8bb8\u521b\u5efa\u6216\u5220\u9664\u7d22\u5f15\uff0cINDEX\u9002\u7528\u4e8e\u5df2 \u6709\u7684\u8868\u3002\u5982\u679c\u5177\u6709\u67d0\u4e2a\u8868\u7684CREATE\u6743\u9650\uff0c\u5c31\u53ef\u4ee5\u5728CREATE TABLE\u8bed\u53e5\u4e2d\u5305\u62ec\u7d22\u5f15\u5b9a\u4e49\u3002<\/li>\n\n\n\n
    • \uff085\uff09 ALTER\u6743 \u9650\u53ef\u4ee5\u4f7f\u7528ALTER TABLE\u6765\u66f4\u6539\u8868\u7684\u7ed3\u6784\u548c\u91cd\u65b0\u547d\u540d\u8868\u3002<\/li>\n\n\n\n
    • \uff086\uff09 CREATE ROUTINE\u6743\u9650 \u7528\u6765\u521b\u5efa\u4fdd\u5b58\u7684 \u7a0b\u5e8f\uff08\u51fd\u6570\u548c\u7a0b\u5e8f\uff09\uff0cALTER ROUTINE\u6743\u9650\u7528\u6765\u66f4\u6539\u548c\u5220\u9664\u4fdd\u5b58\u7684\u7a0b\u5e8f\uff0c EXECUTE\u6743\u9650 \u7528\u6765\u6267\u884c\u4fdd\u5b58\u7684 \u7a0b\u5e8f\u3002<\/li>\n\n\n\n
    • \uff087\uff09 GRANT\u6743\u9650 \u5141\u8bb8\u6388\u6743\u7ed9\u5176\u4ed6\u7528\u6237\uff0c\u53ef\u7528\u4e8e\u6570\u636e\u5e93\u3001\u8868\u548c\u4fdd\u5b58\u7684\u7a0b\u5e8f\u3002<\/li>\n\n\n\n
    • \uff088\uff09 FILE\u6743\u9650 \u4f7f\u7528 \u6237\u53ef\u4ee5\u4f7f\u7528LOAD DATA INFILE\u548cSELECT ... INTO OUTFILE\u8bed\u53e5\u8bfb\u6216\u5199\u670d\u52a1\u5668\u4e0a\u7684\u6587\u4ef6\uff0c\u4efb\u4f55\u88ab\u6388\u4e88FILE\u6743\u9650\u7684\u7528\u6237\u90fd\u80fd\u8bfb\u6216\u5199MySQL\u670d\u52a1\u5668\u4e0a\u7684\u4efb\u4f55\u6587\u4ef6\uff08\u8bf4\u660e\u7528\u6237\u53ef\u4ee5\u8bfb\u4efb\u4f55\u6570\u636e\u5e93\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\uff0c\u56e0\u4e3a\u670d\u52a1\u5668\u53ef\u4ee5\u8bbf\u95ee\u8fd9\u4e9b\u6587\u4ef6\uff09\u3002\u00a0<\/li>\n<\/ul>\n\n\n\n
      \"\"<\/p>\n\n\n\n
      2.2 \u6388\u4e88\u6743\u9650\u7684\u539f\u5219<\/h3>\n\n\n\n
      \u6743\u9650\u63a7\u5236\u4e3b\u8981\u662f\u51fa\u4e8e\u5b89\u5168\u56e0\u7d20\uff0c\u56e0\u6b64\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u51e0\u4e2a \u7ecf\u9a8c\u539f\u5219\uff1a<\/p>\n\n\n\n
      1\u3001\u53ea\u6388\u4e88\u80fd \u6ee1\u8db3\u9700\u8981\u7684\u6700\u5c0f\u6743\u9650\uff0c\u9632\u6b62\u7528\u6237\u5e72\u574f\u4e8b\u3002\u6bd4\u5982\u7528\u6237\u53ea\u662f\u9700\u8981\u67e5\u8be2\uff0c\u90a3\u5c31\u53ea\u7ed9select\u6743\u9650\u5c31\u53ef\u4ee5\u4e86\uff0c\u4e0d\u8981\u7ed9\u7528\u6237\u8d4b\u4e88update\u3001insert\u6216\u8005delete\u6743\u9650\u3002
      2\u3001\u521b\u5efa\u7528\u6237\u7684\u65f6\u5019 \u9650\u5236\u7528\u6237\u7684\u767b\u5f55\u4e3b\u673a\uff0c\u4e00\u822c\u662f\u9650\u5236\u6210\u6307\u5b9aIP\u6216\u8005\u5185\u7f51IP\u6bb5\u3002
      3\u3001\u4e3a\u6bcf\u4e2a\u7528\u6237 \u8bbe\u7f6e\u6ee1\u8db3\u5bc6\u7801\u590d\u6742\u5ea6\u7684\u5bc6\u7801\u3002
      4\u3001 \u5b9a\u671f\u6e05\u7406\u4e0d\u9700\u8981\u7684\u7528\u6237\uff0c\u56de\u6536\u6743\u9650\u6216\u8005\u5220\u9664\u7528\u6237\u3002 <\/p>\n\n\n\n
       2.3 \u6388\u4e88\u6743\u9650<\/h3>\n\n\n\n
      \u7ed9\u7528\u6237\u6388\u6743\u7684\u65b9\u5f0f\u6709 2 \u79cd\uff0c\u5206\u522b\u662f\u901a\u8fc7\u628a\u89d2\u8272\u8d4b\u4e88\u7528\u6237\u7ed9\u7528\u6237\u6388\u6743\u548c \u76f4\u63a5\u7ed9\u7528\u6237\u6388\u6743\u3002\u7528\u6237\u662f\u6570\u636e\u5e93\u7684 \u4f7f\u7528\u8005\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7ed9\u7528\u6237\u6388\u4e88\u8bbf\u95ee\u6570\u636e\u5e93\u4e2d\u8d44\u6e90\u7684\u6743\u9650\uff0c\u6765\u63a7\u5236\u4f7f\u7528\u8005\u5bf9\u6570\u636e\u5e93\u7684\u8bbf\u95ee\uff0c\u6d88\u9664\u5b89\u5168\u9690\u60a3\u3002<\/p>\n\n\n\n
      \u6388\u6743\u547d\u4ee4\uff1a\nGRANT \u6743\u96501,\u6743\u96502,\u2026\u6743\u9650n ON \u6570\u636e\u5e93\u540d\u79f0.\u8868\u540d\u79f0 TO \u7528\u6237\u540d@\u7528\u6237\u5730\u5740 [IDENTIFIED BY '\u5bc6\u7801\u53e3\u4ee4'];\n\u8be5\u6743\u9650\u5982\u679c\u53d1\u73b0\u6ca1\u6709\u8be5\u7528\u6237\uff0c\u5219\u4f1a\u76f4\u63a5\u65b0\u5efa\u4e00\u4e2a\u7528\u6237\u3002\n\n\u6bd4\u5982\uff1a\n\u7ed9li4\u7528\u6237\u7528\u672c\u5730\u547d\u4ee4\u884c\u65b9\u5f0f\uff0c\u6388\u4e88atguigudb\u8fd9\u4e2a\u5e93\u4e0b\u7684\u6240\u6709\u8868\u7684\u63d2\u5220\u6539\u67e5\u7684\u6743\u9650\u3002\nGRANT SELECT,INSERT,DELETE,UPDATE ON atguigudb.* TO li4@localhost ;\n\u6388\u4e88\u901a\u8fc7\u7f51\u7edc\u65b9\u5f0f\u767b\u5f55\u7684joe\u7528\u6237 \uff0c\u5bf9\u6240\u6709\u5e93\u6240\u6709\u8868\u7684\u5168\u90e8\u6743\u9650\uff0c\u5bc6\u7801\u8bbe\u4e3a123\u3002\u6ce8\u610f\u8fd9\u91cc\u552f\u72ec\u4e0d\u5305\n\u62ecgrant\u7684\u6743\u9650\nGRANT ALL PRIVILEGES ON *.* TO joe@'%' IDENTIFIED BY '123'; <\/code><\/pre>\n\n\n\n
      root\u548c\u521b\u5efa\u7684\u89d2\u8272(\u6700\u9ad8\u6743\u9650)\u7684\u533a\u522b\u662froot\u53ef\u4ee5\u8d4b\u4e88\u6743\u9650,\u5373with grant option<\/p>\n\n\n\n
      ALLPRIVILEGES\u662f\u8868\u793a\u6240\u6709\u6743\u9650\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528SELECT\u3001UPDATE\u7b49\u6743\u9650\u3002
      ON\u7528\u6765\u6307\u5b9a\u6743\u9650\u9488\u5bf9\u54ea\u4e9b\u5e93\u548c\u8868\u3002
      .\u4e2d\u524d\u9762\u7684*\u53f7\u7528\u6765\u6307\u5b9a\u6570\u636e\u5e93\u540d\uff0c\u540e\u9762\u7684+\u53f7\u7528\u6765\u6307\u5b9a\u8868\u540d\u3002\u8fd9\u91cc\u7684*\u8868\u793a\u6240\u6709\u7684\u3002
      TO\u8868\u793a\u5c06\u6743\u9650\u8d4b\u4e88\u67d0\u4e2a\u7528\u6237\u3002
      li4@localhost'\u8868\u793ali4\u7528\u6237\uff0c@\u540e\u9762\u63a5\u9650\u5236\u7684\u4e3b\u673a\uff0c\u53ef\u4ee5\u662fIP\u3001IP\u6bb5\u3001\u57df\u540d\u4ee5\u53ca%\uff0c%\u8868\u793a\u4efb\u4f55\u5730\u65b9\u3002\u6ce8\u610f\uff1a\u8fd9\u91cc%\u6709\u7684\u7248\u672c\u4e0d\u5305\u62ec\u672c\u5730\uff0c\u4ee5\u524d\u78b0\u5230\u8fc7\u7ed9\u67d0\u4e2a\u7528\u6237\u8bbe\u7f6e\u4e86%\u5141\u8bb8\u4efb\u4f55\u5730\u65b9\u767b\u5f55\uff0c\u4f46\u662f\u5728\u672c\u5730\u767b\u5f55\u4e0d\u4e86\uff0c\u8fd9\u4e2a\u548c\u7248\u672c\u6709\u5173\u7cfb\uff0c\u9047\u5230\u8fd9\u4e2a\u95ee\u9898\u518d\u52a0\u4e00\u4e2alocalhost\u7684\u7528\u6237\u5c31\u53ef\u4ee5\u4e86\u3002
      IDENTIFIEDBY\u6307\u5b9a\u7528\u6237\u7684\u767b\u5f55\u5bc6\u7801\u3002
      \u00b7\u5982\u679c\u9700\u8981\u8d4b\u4e88\u5305\u62ecGRANT\u7684\u6743\u9650\uff0c\u6dfb\u52a0\u53c2\u6570\u201cWITHGRANTOPTION\u201d\u8fd9\u4e2a\u9009\u9879\u5373\u53ef\uff0c\u8868\u793a\u8be5\u7528\u6237\u53ef\u4ee5\u5c06\u81ea\u5df1\u62e5\u6709\u7684\u6743\u9650\u6388\u6743\u7ed9\u522b\u4eba\u3002\u7ecf\u5e38\u6709\u4eba\u5728\u521b\u5efa\u64cd\u4f5c\u7528\u6237\u7684\u65f6\u5019\u4e0d\u6307\u5b9aWITHGRANTOPTION\u9009\u9879\u5bfc\u81f4\u540e\u6765\u8be5\u7528\u6237\u4e0d\u80fd\u4f7f\u7528GRANT\u547d\u4ee4\u521b\u5efa\u7528\u6237\u6216\u8005\u7ed9\u5176\u5b83\u7528\u6237\u6388\u6743\u3002
      \u00b7\u53ef\u4ee5\u4f7f\u7528GRANT\u91cd\u590d\u7ed9\u7528\u6237\u6dfb\u52a0\u6743\u9650\uff0c\u6743\u9650\u53e0\u52a0\uff0c\u6bd4\u5982\u4f60\u5148\u7ed9\u7528\u6237\u6dfb\u52a0\u4e00\u4e2aSELECT\u6743\u9650\uff0c\u7136\u540e\u53c8\u7ed9\u7528\u6237\u6dfb\u52a0\u4e00\u4e2aINSERT\u6743\u9650\uff0c\u90a3\u4e48\u8be5\u7528\u6237\u5c31\u540c\u65f6\u62e5\u6709\u4e86SELECT\u548cINSERT\u6743\u9650\u3002<\/p>\n\n\n\n
      \u8fd9\u4e2a\u6743\u9650\u8fd8\u771f\u8981\u719f\u6089\u4e00\u4e0b\uff0c\u4e0d\u9700\u8981\u592a\u4f1a\u5199 \u4f46\u7b54\u9898\u65f6\u770b\u5230\u8981\u77e5\u9053\u662f\u4ec0\u4e48<\/p>\n\n\n\n
      \u6211\u4eec\u5728\u5f00\u53d1\u5e94\u7528\u7684\u65f6\u5019\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u79cd\u9700\u6c42\uff0c\u5c31\u662f\u8981\u6839\u636e\u7528\u6237\u7684\u4e0d\u540c\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u6a2a\u5411\u548c\u7eb5\u5411\u7684 \u5206\u7ec4\u3002 \u6240\u8c13\u6a2a\u5411\u7684\u5206\u7ec4\uff0c\u5c31\u662f\u6307\u7528\u6237\u53ef\u4ee5\u63a5\u89e6\u5230\u7684\u6570\u636e\u7684\u8303\u56f4\uff0c\u6bd4\u5982\u53ef\u4ee5\u770b\u5230\u54ea\u4e9b\u8868\u7684\u6570\u636e\uff1b \u6240\u8c13\u7eb5\u5411\u7684\u5206\u7ec4\uff0c\u5c31\u662f\u6307\u7528\u6237\u5bf9\u63a5\u89e6\u5230\u7684\u6570\u636e\u80fd\u8bbf\u95ee\u5230\u4ec0\u4e48\u7a0b\u5ea6\uff0c\u6bd4\u5982\u80fd\u770b\u3001\u80fd\u6539\uff0c\u751a\u81f3\u662f\u5220\u9664<\/p>\n\n\n\n
      2.4 \u67e5\u770b\u6743\u9650<\/h3>\n\n\n\n
      \u67e5\u770b\u5f53\u524d\u7528\u6237\u6743\u9650\nSHOW GRANTS;\n# \u6216\nSHOW GRANTS FOR CURRENT_USER; \n# \u6216 \nSHOW GRANTS FOR CURRENT_USER();\n\n\u67e5\u770b\u67d0\u7528\u6237\u7684\u5168\u5c40\u6743\u9650\nSHOW GRANTS FOR 'user'@'\u4e3b\u673a\u5730\u5740' ;<\/code><\/pre>\n\n\n\n
      2.5 \u6536\u56de\u6743\u9650<\/h3>\n\n\n\n
      \u6536\u56de\u6743\u9650\u5c31\u662f\u53d6\u6d88\u5df2\u7ecf\u8d4b\u4e88\u7528\u6237\u7684\u67d0\u4e9b\u6743\u9650\u3002\u6536\u56de\u7528\u6237\u4e0d\u5fc5\u8981\u7684\u6743\u9650\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u4fdd\u8bc1\u7cfb\u7edf\u7684\u5b89\u5168 \u6027\u3002MySQL\u4e2d\u4f7f\u7528 REVOKE\u8bed\u53e5 \u53d6\u6d88\u7528\u6237\u7684\u67d0\u4e9b\u6743\u9650\u3002\u4f7f\u7528REVOKE\u6536\u56de\u6743\u9650\u4e4b\u540e\uff0c\u7528\u6237\u8d26\u6237\u7684\u8bb0\u5f55\u5c06\u4ece db\u3001host\u3001tables_priv\u548ccolumns_priv\u8868\u4e2d\u5220\u9664\uff0c\u4f46\u662f\u7528\u6237\u8d26\u6237\u8bb0\u5f55\u4ecd\u7136\u5728user\u8868\u4e2d\u4fdd\u5b58\uff08\u5220\u9664user\u8868\u4e2d\u7684\u8d26\u6237\u8bb0\u5f55\u4f7f\u7528DROP USER\u8bed\u53e5\uff09\u3002
      \u6ce8\u610f\uff1a\u5728\u5c06\u7528\u6237\u8d26\u6237\u4eceuser\u8868\u5220\u9664\u4e4b\u524d\uff0c\u5e94\u8be5\u6536\u56de\u76f8\u5e94\u7528\u6237\u7684\u6240\u6709\u6743\u9650<\/strong>\u3002<\/p>\n\n\n\n
      \u6536\u56de\u6743\u9650\u547d\u4ee4\nREVOKE \u6743\u96501,\u6743\u96502,\u2026\u6743\u9650n ON \u6570\u636e\u5e93\u540d\u79f0.\u8868\u540d\u79f0 FROM \u7528\u6237\u540d@\u7528\u6237\u5730\u5740;\n\n#\u6536\u56de\u5168\u5e93\u5168\u8868\u7684\u6240\u6709\u6743\u9650\nREVOKE ALL PRIVILEGES ON *.* FROM joe@'%';\n#\u6536\u56demysql\u5e93\u4e0b\u7684\u6240\u6709\u8868\u7684\u63d2\u5220\u6539\u67e5\u6743\u9650\nREVOKE SELECT,INSERT,UPDATE,DELETE ON mysql.* FROM joe@localhost;<\/code><\/pre>\n\n\n\n
      \n
      \u6709\u4e00\u4e9b\u7a0b\u5e8f\u5458\u559c\u6b22\u4f7f\u7528Root\u8d85\u7ea7\u7528\u6237\u6765\u8bbf\u95ee\u6570\u636e\u5e93\uff0c\u5b8c\u5168\u628a\u6743\u9650\u63a7\u5236\u653e\u5728\u5e94\u7528\u5c42\u9762\u5b9e\u73b0\u3002\u8fd9\u6837\u5f53\u7136\u4e5f\u662f\u53ef\u4ee5\u7684\u3002\u4f46\u5efa\u8bae\u5927\u5bb6\uff0c\u5c3d\u91cf\u4f7f\u7528\u6570\u636e\u5e93\u81ea\u5df1\u7684\u89d2\u8272\u548c\u7528\u6237\u673a\u5236\u6765\u63a7\u5236\u8bbf\u95ee\u6743\u9650\uff0c\u4e0d\u8981\u8f7b\u6613\u7528Root\u8d26\u53f7\u3002\u56e0\u4e3aRoot\u8d26\u53f7\u5bc6\u7801\u653e\u5728\u4ee3\u7801\u91cc\u9762\u4e0d\u5b89\u5168\uff0c\u4e00\u65e6\u6cc4\u9732\uff0c\u6570\u636e\u5e93\u5c31\u4f1a\u5b8c\u5168\u5931\u53bb\u4fdd\u62a4\u3002
      \u800c\u4e14\uff0cMySQL\u7684\u6743\u9650\u63a7\u5236\u529f\u80fd\u5341\u5206\u5b8c\u5584\uff0c\u5e94\u8be5\u5c3d\u91cf\u5229\u7528\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\uff0c\u800c\u4e14\u5b89\u5168\u53ef\u9760\u3002 <\/p>\n<\/blockquote>\n\n\n\n
      3. \u6743\u9650\u8868<\/h2>\n\n\n\n
      MySQL\u670d\u52a1\u5668\u901a\u8fc7\u6743\u9650\u8868\u6765\u63a7\u5236\u7528\u6237\u5bf9\u6570\u636e\u5e93\u7684\u8bbf\u95ee\uff0c\u6743\u9650\u8868\u5b58\u653e\u5728mysq1\u6570\u636e\u5e93\u4e2d\u3002MySQL\u6570\u636e\u5e93\u7cfb\u7edf\u4f1a\u6839\u636e\u8fd9\u4e9b\u6743\u9650\u8868\u7684\u5185\u5bb9\u4e3a\u6bcf\u4e2a\u7528\u6237\u8d4b\u4e88\u76f8\u5e94\u7684\u6743\u9650\u3002\u8fd9\u4e9b\u6743\u9650\u8868\u4e2d\u6700\u91cd\u8981\u7684\u662fuser\u8868\u3001db\u8868\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u6709table_priv\u8868\u3001column_priv\u8868\u548cproc_priv\u8868\u7b49\u3002\u5728MySQL\u542f\u52a8\u65f6\uff0c\u670d\u52a1\u5668\u5c06\u8fd9\u4e9b\u6570\u636e\u5e93\u8868\u4e2d\u6743\u9650\u4fe1\u606f\u7684\u5185\u5bb9\u8bfb\u5165\u5185\u5b58\u3002<\/strong><\/p>\n\n\n\n
      \u6211\u4eecuse\u4e00\u4e0bmysql,show table\u4e00\u4e0b , \u51fa\u73b0\u5927\u91cf(30\u4e2a)\u7684\u6743\u9650\u8868 .<\/p>\n\n\n\n
      3.1 user\u8868<\/h3>\n\n\n\n
      user\u8868\u662fMySQL\u4e2d\u6700\u91cd\u8981\u7684\u4e00\u4e2a\u6743\u9650\u8868\uff0c \u8bb0\u5f55\u7528\u6237\u8d26\u53f7\u548c\u6743\u9650\u4fe1\u606f\uff0c\u670949\u4e2a\u5b57\u6bb5\u3002<\/p>\n\n\n\n
      3.2 db\u8868<\/h3>\n\n\n\n
      \u4f7f\u7528DESCRIBE\u67e5\u770bdb\u8868\u7684\u57fa\u672c\u7ed3\u6784\uff1a
      DESCRIBEmysql.db;
      1.\u7528\u6237\u5217db\u8868\u7528\u6237\u5217\u67093\u4e2a\u5b57\u6bb5\uff0c\u5206\u522b\u662fHost\u3001User\u3001Db\u3002\u8fd93\u4e2a\u5b57\u6bb5\u5206\u522b\u8868\u793a\u4e3b\u673a\u540d\u3001\u7528\u6237\u540d\u548c\u6570\u636e\u5e93\u540d\u3002\u8868\u793a\u4ece\u67d0\u4e2a\u4e3b\u673a\u8fde\u63a5\u67d0\u4e2a\u7528\u6237\u5bf9\u67d0\u4e2a\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u6743\u9650\uff0c\u8fd93\u4e2a\u5b57\u6bb5\u7684\u7ec4\u5408\u6784\u6210\u4e86db\u8868\u7684\u4e3b\u952e\u3002
      2.\u6743\u9650\u5217
      Create_routine_priv\u548cAlter_routine_priv\u8fd9\u4e24\u4e2a\u5b57\u6bb5\u51b3\u5b9a\u7528\u6237\u662f\u5426\u5177\u6709\u521b\u5efa\u548c\u4fee\u6539\u5b58\u50a8\u8fc7\u7a0b\u7684\u6743\u9650\u3002<\/p>\n\n\n\n
      3.3 tables_priv\u8868\u548ccolumns_priv\u8868<\/h3>\n\n\n\n
      tables_priv\u8868\u7528\u6765 \u5bf9\u8868\u8bbe\u7f6e\u64cd\u4f5c\u6743\u9650\uff0ccolumns_priv\u8868\u7528\u6765\u5bf9\u8868\u7684\u67d0\u4e00\u5217\u8bbe\u7f6e\u6743\u9650\u3002tables_priv\u8868\u548ccolumns_priv\u8868\u7684\u7ed3\u6784\u5206\u522b\u5982\u56fe\uff1a<\/p>\n\n\n\n
       desc mysql.tables_priv;<\/code><\/pre>\n\n\n\n
      3.4 procs_priv\u8868<\/h3>\n\n\n\n
      procs_priv\u8868\u53ef\u4ee5\u5bf9 \u5b58\u50a8\u8fc7\u7a0b\u548c\u5b58\u50a8\u51fd\u6570\u8bbe\u7f6e\u64cd\u4f5c\u6743\u9650<\/p>\n\n\n\n
      4. \u8bbf\u95ee\u63a7\u5236(\u4e86\u89e3)<\/h2>\n\n\n\n
      \u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u5e76\u4e0d\u5e0c\u671b\u6bcf\u4e2a\u7528\u6237\u90fd\u53ef\u4ee5\u6267\u884c\u6240\u6709\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u3002\u5f53MySQL\u5141\u8bb8\u4e00\u4e2a\u7528\u6237\u6267\u884c\u5404\u79cd\u64cd\u4f5c\u65f6\uff0c\u5b83\u5c06\u9996\u5148\u6838\u5b9e\u8be5\u7528\u6237\u5411MySQL\u670d\u52a1\u5668\u53d1\u9001\u7684\u8fde\u63a5\u8bf7\u6c42\uff0c\u7136\u540e\u786e\u8ba4\u7528\u6237\u7684\u64cd\u4f5c\u8bf7\u6c42\u662f\u5426\u88ab\u5141\u8bb8\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4e3aMySQL\u4e2d\u7684\u8bbf\u95ee\u63a7\u5236\u8fc7\u7a0b\u3002MySQL\u7684\u8bbf\u95ee\u63a7\u5236\u5206\u4e3a\u4e24\u4e2a\u9636\u6bb5\uff1a\u8fde\u63a5\u6838\u5b9e\u9636\u6bb5\u548c\u8bf7\u6c42\u6838\u5b9e\u9636\u6bb5\u3002<\/p>\n\n\n\n
      4.1\u8fde\u63a5\u6838\u5b9e\u9636\u6bb5<\/h3>\n\n\n\n
      \u5f53\u7528\u6237\u8bd5\u56fe\u8fde\u63a5MySQL\u670d\u52a1\u5668\u65f6\uff0c\u670d\u52a1\u5668\u57fa\u4e8e\u7528\u6237\u7684\u8eab\u4efd\u4ee5\u53ca\u7528\u6237\u662f\u5426\u80fd\u63d0\u4f9b\u6b63\u786e\u7684\u5bc6\u7801\u9a8c\u8bc1\u8eab\u4efd\u6765\u786e\u5b9a\u63a5\u53d7\u6216\u8005\u62d2\u7edd\u8fde\u63a5\u3002\u5373\u5ba2\u6237\u7aef\u7528\u6237\u4f1a\u5728\u8fde\u63a5\u8bf7\u6c42\u4e2d\u63d0\u4f9b\u7528\u6237\u540d\u3001\u4e3b\u673a\u5730\u5740\u3001\u7528\u6237\u5bc6\u7801\uff0cMySQL\u670d\u52a1\u5668\u63a5\u6536\u5230\u7528\u6237\u8bf7\u6c42\u540e\uff0c\u4f1a\u4f7f\u7528user\u8868\u4e2d\u7684host\u3001user\u548cauthentication_string\u8fd93\u4e2a\u5b57\u6bb5\u5339\u914d\u5ba2\u6237\u7aef\u63d0\u4f9b\u4fe1\u606f**\u3002<\/strong><\/p>\n\n\n\n
      \u670d\u52a1\u5668\u53ea\u6709\u5728user\u8868\u8bb0\u5f55\u7684Host\u548cUser\u5b57\u6bb5\u5339\u914d\u5ba2\u6237\u7aef\u4e3b\u673a\u540d\u548c\u7528\u6237\u540d\uff0c\u5e76\u4e14\u63d0\u4f9b\u6b63\u786e\u7684\u5bc6\u7801\u65f6\u624d\u63a5\u53d7\u8fde\u63a5\u3002\u5982\u679c\u8fde\u63a5\u6838\u5b9e\u6ca1\u6709\u901a\u8fc7\uff0c\u670d\u52a1\u5668\u5c31\u5b8c\u5168\u62d2\u7edd\u8bbf\u95ee\uff1b\u5426\u5219\uff0c\u670d\u52a1\u5668\u63a5\u53d7\u8fde\u63a5\uff0c\u7136\u540e\u8fdb\u5165\u9636\u6bb52\u7b49\u5f85\u7528\u6237\u8bf7\u6c42\u3002<\/strong><\/p>\n\n\n\n
      4.2\u8bf7\u6c42\u6838\u5b9e\u9636\u6bb5<\/h3>\n\n\n\n
      \u4e00\u65e6\u5efa\u7acb\u4e86\u8fde\u63a5\uff0c\u670d\u52a1\u5668\u5c31\u8fdb\u5165\u4e86\u8bbf\u95ee\u63a7\u5236\u7684\u9636\u6bb52\uff0c\u4e5f\u5c31\u662f\u8bf7\u6c42\u6838\u5b9e\u9636\u6bb5\u3002\u5bf9\u6b64\u8fde\u63a5\u4e0a\u8fdb\u6765\u7684\u6bcf\u4e2a\u8bf7\u6c42\uff0c\u670d\u52a1\u5668\u68c0\u67e5\u8be5\u8bf7\u6c42\u8981\u6267\u884c\u4ec0\u4e48\u64cd\u4f5c\u3001\u662f\u5426\u6709\u8db3\u591f\u7684\u6743\u9650\u6765\u6267\u884c\u5b83\uff0c\u8fd9\u6b63\u662f\u9700\u8981\u6388\u6743\u8868\u4e2d\u7684\u6743\u9650\u5217\u53d1\u6325\u4f5c\u7528\u7684\u5730\u65b9\u3002\u8fd9\u4e9b\u6743\u9650\u53ef\u4ee5\u6765\u81eauser\u3001db\u3001table_priv\u548ccolumn_priv\u8868\u3002<\/p>\n\n\n\n
      \u786e\u8ba4\u6743\u9650\u65f6\uff0cMySQL\u9996\u5148\u68c0\u67e5user\u8868\uff0c\u5982\u679c\u6307\u5b9a\u7684\u6743\u9650\u6ca1\u6709\u5728user\u8868\u4e2d\u88ab\u6388\u4e88\uff0c\u90a3\u4e48MySQL\u5c31\u4f1a\u7ee7\u7eed\u68c0\u67e5db\u8868\uff0cdb\u8868\u662f\u4e0b\u4e00\u5b89\u5168\u5c42\u7ea7\uff0c\u5176\u4e2d\u7684\u6743\u9650\u9650\u5b9a\u4e8e\u6570\u636e\u5e93\u5c42\u7ea7\uff0c\u5728\u8be5\u5c42\u7ea7\u7684SELECT\u6743\u9650\u5141\u8bb8\u7528\u6237\u67e5\u770b\u6307\u6570\u636e\u5e93\u7684\u6240\u6709\u8868\u4e2d\u7684\u6570\u636e\uff1b\u5982\u679c\u5728\u8be5\u5c42\u7ea7\u6ca1\u6709\u627e\u5230\u9650\u5b9a\u7684\u6743\u9650\uff0c\u5219MySQL\u7ee7\u7eed\u68c0\u67e5tables_priv\u8868\u4ee5\u53cacolumns_priv\u8868\uff0c\u5982\u679c\u6240\u6709\u6743\u9650\u8868\u90fd\u68c0\u67e5\u5b8c\u6bd5\uff0c\u4f46\u8fd8\u662f\u6ca1\u6709\u627e\u5230\u5141\u8bb8\u7684\u6743\u9650\u64cd\u4f5c\uff0cMySQL\u5c06\u8fd4\u56de\u9519\u8bef\u4fe1\u606f\uff0c\u7528\u6237\u8bf7\u6c42\u7684\u64cd\u4f5c\u4e0d\u80fd\u6267\u884c\uff0c\u64cd\u4f5c\u5931\u8d25\u3002\u8bf7\u6c42\u6838\u5b9e\u7684\u8fc7\u7a0b\u5982\u56fe\u6240\u793a\u3002\"\"<\/p>\n\n\n\n
      5. \u89d2\u8272\u7ba1\u7406 <\/h2>\n\n\n\n
      \u89d2\u8272\u662f\u5728MySQL8.0\u4e2d\u5f15I\u5165\u7684\u65b0\u529f\u80fd\u3002\u5728MySQL\u4e2d\uff0c\u89d2\u8272\u662f\u6743\u9650\u7684\u96c6\u5408\uff0c\u53ef\u4ee5\u4e3a\u89d2\u8272\u6dfb\u52a0\u6216\u79fb\u9664\u6743\u9650\u3002\u7528\u6237\u53ef\u4ee5\u88ab\u8d4b\u4e88\u89d2\u8272\uff0c\u540c\u65f6\u4e5f\u88ab\u6388\u4e88\u89d2\u8272\u5305\u542b\u7684\u6743\u9650\u3002\u5bf9\u89d2\u8272\u8fdb\u884c\u64cd\u4f5c\u9700\u8981\u8f83\u9ad8\u7684\u6743\u9650\u3002\u5e76\u4e14\u50cf\u7528\u6237\u8d26\u6237\u4e00\u6837\uff0c\u89d2\u8272\u53ef\u4ee5\u62e5\u6709\u6388\u4e88\u548c\u64a4\u6d88\u7684\u6743\u9650\u3002<\/p>\n\n\n\n
      \u5f15\u5165\u89d2\u8272\u7684\u76ee\u7684\u662f\u65b9\u4fbf\u7ba1\u7406\u62e5\u6709\u76f8\u540c\u6743\u9650\u7684\u7528\u6237\u3002\u6070\u5f53\u7684\u6743\u9650\u8bbe\u5b9a\uff0c\u53ef\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u5b89\u5168\u6027\uff0c\u8fd9\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002 <\/p>\n\n\n\n
      \"\"<\/p>\n\n\n\n
       5.2 \u521b\u5efa\u89d2\u8272<\/h3>\n\n\n\n
      \u521b\u5efa\u89d2\u8272\u4f7f\u7528 CREATE ROLE \u8bed\u53e5\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n
       CREATE ROLE 'role_name'[@'host_name'] [,'role_name'[@'host_name']]...<\/code><\/pre>\n\n\n\n
      \u89d2\u8272\u540d\u79f0\u7684\u547d\u540d\u89c4\u5219\u548c\u7528\u6237\u540d\u7c7b\u4f3c\u3002\u5982\u679chost_name\u7701\u7565\uff0c\u9ed8\u8ba4\u4e3a%\uff0crole_name\u4e0d\u53ef\u7701\u7565\uff0c\u4e0d\u53ef\u4e3a\n\u7a7a\u3002\n\u7ec3\u4e60\uff1a\u6211\u4eec\u73b0\u5728\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u7ecf\u7406\u7684\u89d2\u8272\uff0c\u5c31\u53ef\u4ee5\u7528\u4e0b\u9762\u7684\u4ee3\u7801\uff1a\nCREATE ROLE 'manager'@'localhost';<\/code><\/pre>\n\n\n\n
      5.3 \u7ed9\u89d2\u8272\u8d4b\u4e88\u6743\u9650<\/h3>\n\n\n\n
      \u521b\u5efa\u89d2\u8272\u4e4b\u540e\uff0c\u9ed8\u8ba4\u8fd9\u4e2a\u89d2\u8272\u662f\u6ca1\u6709\u4efb\u4f55\u6743\u9650\u7684\uff0c\u6211\u4eec\u9700\u8981\u7ed9\u89d2\u8272\u6388\u6743\u3002\u7ed9\u89d2\u8272\u6388\u6743\u7684\u8bed\u6cd5\u7ed3\u6784\u662f\uff1a<\/p>\n\n\n\n
       GRANT privileges ON table_name TO 'role_name'[@'host_name'];<\/code><\/pre>\n\n\n\n
      \u4e0a\u8ff0\u8bed\u53e5\u4e2dprivileges\u4ee3\u8868\u6743\u9650\u7684\u540d\u79f0\uff0c\u591a\u4e2a\u6743\u9650\u4ee5\u9017\u53f7\u9694\u5f00\u3002\u53ef\u4f7f\u7528SHOW\u8bed\u53e5\u67e5\u8be2\u6743\u9650\u540d\u79f0\uff0c \u5217\u51fa\u4e86\u90e8\u5206\u6743\u9650\u5217\u8868\u3002<\/p>\n\n\n\n
      \u7ec3\u4e601\uff1a\u6211\u4eec\u73b0\u5728\u60f3\u7ed9\u7ecf\u7406\u89d2\u8272\u6388\u4e88\u5546\u54c1\u4fe1\u606f\u8868\u3001\u76d8\u70b9\u8868\u548c\u5e94\u4ed8\u8d26\u6b3e\u8868\u7684\u53ea\u8bfb\u6743\u9650\uff0c\u5c31\u53ef\u4ee5\u7528\u4e0b\u9762\u7684\u4ee3\u7801\n\u6765\u5b9e\u73b0\uff1a\n GRANT SELECT ON demo.settlement TO 'manager';\n GRANT SELECT ON demo.goodsmaster TO 'manager';\n GRANT SELECT ON demo.invcount TO 'manager';\n\u7ec3\u4e602:\nGRANT ALL PRIVILEGES ON app_db.* TO 'app_developer';  -- \u7ed9app_db\u6570\u636e\u5e93\u4e2d\u6240\u6709\u8868\u7684\u6240\u6709\u6743\u9650\nGRANT SELECT ON app_db.* TO 'app_read';  -- app_db\u6570\u636e\u5e93\u4e2d\u6240\u6709\u8868\u7684\u67e5\u8be2\u6743\u9650\nGRANT INSERT, UPDATE, DELETE ON app_db.* TO 'app_write';  -- app_db\u6570\u636e\u5e93\u4e2d\u6240\u6709\u8868\u7684\u4fee\u6539\u6743\u9650\n\n\u7ec3\u4e603: \u521b\u5efa\u4e09\u4e2a\u89d2\u8272\uff0c\u5206\u522b\u62e5\u6709\u5168\u90e8\u6743\u9650\u3001\u67e5\u8be2\u6743\u9650\u548c\u8bfb\u5199\u6743\u9650\uff0c\u6b65\u9aa4\u5982\u4e0b\u6240\u793a\u3002\n(1) \u4f7f\u7528\u5982\u4e0bSQL\u8bed\u53e5\u521b\u5efa\u4e09\u4e2a\u89d2\u8272\uff0c\u89d2\u8272\u540d\u4e3aschool_admin\u3001school_read\u3001school_write\u3002\nCREATE ROLE 'school_admin', 'school_read', 'school_write';\n\n(2) \u7ed9\u6bcf\u4e2a\u89d2\u8272\u6388\u4e88\u5bf9\u5e94\u7684\u6743\u9650\uff0cschool_admin\u53ef\u4ee5\u5bf9\u6570\u636e\u5e93school\u4e2d\u7684\u6240\u6709\u8868\u8fdb\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\nschool_read\u53ea\u80fd\u5bf9\u6570\u636e\u5e93school\u4e2d\u7684\u8868\u8fdb\u884c\u67e5\u8be2\uff0cschool_write\u53ef\u4ee5\u5bf9\u6570\u636e\u5e93school\u4e2d\u7684\u8868\u8fdb\u884c\n\u8bfb\u5199\u64cd\u4f5c\uff0cSQL\u8bed\u53e5\u5982\u4e0b\u3002\nGRANT ALL PRIVILEGES ON school.* TO 'school_admin';\nGRANT SELECT ON school.* TO 'school_read';\nGRANT INSERT, UPDATE, DELETE ON school.* TO 'school_write';<\/code><\/pre>\n\n\n\n
      5.4 \u67e5\u770b\u89d2\u8272\u7684\u6743\u9650 <\/h3>\n\n\n\n
      show grants for 'manager'@'%';\n\u67e5\u770b\u6743\u9650<\/code><\/pre>\n\n\n\n
       \u53ea\u8981\u4f60\u521b\u5efa\u4e86\u4e00\u4e2a\u89d2\u8272\uff0c\u7cfb\u7edf\u5c31\u4f1a\u81ea\u52a8\u7ed9\u4f60\u4e00\u4e2a\u201c USAGE \u201d\u6743\u9650\uff0c\u610f\u601d\u662f \u8fde\u63a5\u767b\u5f55\u6570\u636e\u5e93\u7684\u6743\u9650\u3002<\/p>\n\n\n\n
      5.5 \u56de\u6536\u89d2\u8272\u7684\u6743\u9650<\/h3>\n\n\n\n
      \u89d2\u8272\u6388\u6743\u540e\uff0c\u53ef\u4ee5\u5bf9\u89d2\u8272\u7684\u6743\u9650\u8fdb\u884c\u7ef4\u62a4\uff0c\u5bf9\u6743\u9650\u8fdb\u884c\u6dfb\u52a0\u6216\u64a4\u9500\u3002\u6dfb\u52a0\u6743\u9650\u4f7f\u7528GRANT\u8bed\u53e5\uff0c\u4e0e\u89d2\u8272 \u6388\u6743\u76f8\u540c\u3002\u64a4\u9500\u89d2\u8272\u6216\u89d2\u8272\u6743\u9650\u4f7f\u7528REVOKE\u8bed\u53e5\u3002 \u4fee\u6539\u4e86\u89d2\u8272\u7684\u6743\u9650\uff0c\u4f1a\u5f71\u54cd\u62e5\u6709\u8be5\u89d2\u8272\u7684\u8d26\u6237\u7684\u6743\u9650\u3002 \u64a4\u9500\u89d2\u8272\u6743\u9650\u7684SQL\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n
      REVOKE privileges ON tablename FROM 'rolename';\n\u7ec3\u4e601\uff1a\u64a4\u9500school_write\u89d2\u8272\u7684\u6743\u9650\u3002 \n\uff081\uff09\u4f7f\u7528\u5982\u4e0b\u8bed\u53e5\u64a4\u9500school_write\u89d2\u8272\u7684\u6743\u9650\u3002\nREVOKE INSERT, UPDATE, DELETE ON school.* FROM 'school_write';\n\uff082\uff09\u64a4\u9500\u540e\u4f7f\u7528SHOW\u8bed\u53e5\u67e5\u770bschool_write\u5bf9\u5e94\u7684\u6743\u9650\uff0c\u8bed\u53e5\u5982\u4e0b\u3002\nSHOW GRANTS FOR 'school_write';<\/code><\/pre>\n\n\n\n
       \u200b5.6 \u5220\u9664\u89d2\u8272<\/h3>\n\n\n\n
      \u5f53\u6211\u4eec\u9700\u8981\u5bf9\u4e1a\u52a1\u91cd\u65b0\u6574\u5408\u7684\u65f6\u5019\uff0c\u53ef\u80fd\u5c31\u9700\u8981\u5bf9\u4e4b\u524d\u521b\u5efa\u7684\u89d2\u8272\u8fdb\u884c\u6e05\u7406\uff0c\u5220\u9664\u4e00\u4e9b\u4e0d\u4f1a\u518d\u4f7f\u7528\u7684\u89d2\u8272\u3002\u5220\u9664\u89d2\u8272\u7684\u64cd\u4f5c\u5f88\u7b80\u5355\uff0c\u4f60\u53ea\u8981\u638c\u63e1\u8bed\u6cd5\u7ed3\u6784\u5c31\u884c\u4e86\u3002<\/p>\n\n\n\n
      DROP ROLE role [,role2] ...<\/code><\/pre>\n\n\n\n
      \u6ce8\u610f\uff0c\u5982\u679c\u4f60\u5220\u9664\u4e86\u89d2\u8272\uff0c\u90a3\u4e48\u7528\u6237\u4e5f\u5c31\u5931\u53bb\u4e86\u901a\u8fc7\u8fd9\u4e2a\u89d2\u8272\u6240\u83b7\u5f97\u7684\u6240\u6709\u6743\u9650\u3002<\/p>\n\n\n\n
      \u7ec3\u4e60\uff1a\u6267\u884c\u5982\u4e0bSQL\u5220\u9664\u89d2\u8272school_read\u3002\nDROP ROLE 'school_read';<\/code><\/pre>\n\n\n\n
      5.7 \u7ed9\u7528\u6237\u8d4b\u4e88\u89d2\u8272<\/h3>\n\n\n\n
      \u89d2\u8272\u521b\u5efa\u5e76\u6388\u6743\u540e\uff0c\u8981\u8d4b\u7ed9\u7528\u6237\u5e76\u5904\u4e8e\u6fc0\u6d3b\u72b6\u6001\u624d\u80fd\u53d1\u6325\u4f5c\u7528\u3002\u7ed9\u7528\u6237\u6dfb\u52a0\u89d2\u8272\u53ef\u4f7f\u7528GRANT\u8bed\u53e5\uff0c\u8bed\u6cd5\u5f62\u5f0f\u5982\u4e0b\uff1a
      GRANT role [,role2,...] TO user [,user2,...];<\/strong><\/p>\n\n\n\n
      \u5728\u4e0a\u8ff0\u8bed\u53e5\u4e2d\uff0crole\u4ee3\u8868\u89d2\u8272\uff0cuser\u4ee3\u8868\u7528\u6237\u3002\u53ef\u5c06\u591a\u4e2a\u89d2\u8272\u540c\u65f6\u8d4b\u4e88\u591a\u4e2a\u7528\u6237\uff0c\u7528\u9017\u53f7\u9694\u5f00\u5373\u53ef\u3002<\/p>\n\n\n\n
      \u7ec3\u4e60\uff1a\u7ed9kangshifu\u7528\u6237\u6dfb\u52a0\u89d2\u8272school_read\u6743\u9650\u3002\uff081\uff09\u4f7f\u7528GRANT\u8bed\u53e5\u7ed9kangshifu\u6dfb\u52a0school_read\u6743\u9650\uff0cSQL\u8bed\u53e5\u5982\u4e0b\u3002\nGRANT 'school_read' TO 'kangshifu'@'localhost';\n\n\uff082\uff09\u6dfb\u52a0\u5b8c\u6210\u540e\u4f7f\u7528SHOW\u8bed\u53e5\u67e5\u770b\u662f\u5426\u6dfb\u52a0\u6210\u529f\uff0cSQL\u8bed\u53e5\u5982\u4e0b\u3002\nSHOW GRANTS FOR 'kangshifu'@'localhost';\n\n\uff083\uff09\u4f7f\u7528kangshifu\u7528\u6237\u767b\u5f55\uff0c\u7136\u540e\u67e5\u8be2\u5f53\u524d\u89d2\u8272\uff0c\u5982\u679c\u89d2\u8272\u672a\u6fc0\u6d3b\uff0c\u7ed3\u679c\u5c06\u663e\u793aNONE\u3002SQL\u8bed\u53e5\u5982\u4e0b\u3002\nSELECT CURRENT_ROLE();<\/code><\/pre>\n\n\n\n
      5.8 \u6fc0\u6d3b\u89d2\u8272<\/h3>\n\n\n\n
      \u65b9\u5f0f1. \u4f7f\u7528set default role \u547d\u4ee4\u6fc0\u6d3b\u89d2\u8272\n\u4e3e\u4f8b\uff1a\nSET DEFAULT ROLE ALL TO 'kangshifu'@'localhost';\n\n\u4e3e\u4f8b\uff1a\u4f7f\u7528 SET DEFAULT ROLE \u4e3a\u4e0b\u97624\u4e2a\u7528\u6237\u9ed8\u8ba4\u6fc0\u6d3b\u6240\u6709\u5df2\u62e5\u6709\u7684\u89d2\u8272\u5982\u4e0b\uff1a\nSET DEFAULT ROLE ALL TO\n'dev1'@'localhost',\n'read_user1'@'localhost',\n'read_user2'@'localhost',\n'rw_user1'@'localhost';\n\n\u65b9\u5f0f2. \u5c06activate_all_roles_on_login\u8bbe\u7f6e\u4e3aON\n- \u9ed8\u8ba4\u60c5\u51b5\uff1a\nmysql> show variables like 'activate_all_roles_on_login';\n+----------------+-------+\n| Variable_name | Value |\n+----------------+-------+\n| activate_all_roles_on_login | OFF |\n+----------------+-------+\n1 row in set (0.00 sec)\n\n- \u8bbe\u7f6e\uff1a\nSET GLOBAL activate_all_roles_on_login=ON;<\/code><\/pre>\n\n\n\n
      \u8fd9\u6761 SQL \u8bed\u53e5\u7684\u610f\u601d\u662f\uff0c\u5bf9 \u6240\u6709\u89d2\u8272\u6c38\u4e45\u6fc0\u6d3b\u3002\u8fd0\u884c\u8fd9\u6761\u8bed\u53e5\u4e4b\u540e\uff0c\u7528\u6237\u624d\u771f\u6b63\u62e5\u6709\u4e86\u8d4b\u4e88\u89d2\u8272\u7684\u6240\u6709\u6743\u9650\u3002<\/p>\n\n\n\n
       \u6ce8\u610f\uff1a\u7528\u6237\u9700\u8981\u9000\u51fa\u91cd\u65b0\u767b\u9646\uff0c\u624d\u80fd\u770b\u5230\u8d4b\u4e88\u7684\u89d2\u8272\u3002<\/strong><\/p>\n\n\n\n
      5.9 \u64a4\u9500\u7528\u6237\u7684\u89d2\u8272<\/h3>\n\n\n\n
      \u64a4\u9500\u7528\u6237\u89d2\u8272\u7684SQL\u8bed\u6cd5\u5982\u4e0b\uff1a
      REVOKE role FROM user;<\/p>\n\n\n\n
      \u7ec3\u4e60\uff1a\u64a4\u9500kangshifu\u7528\u6237\u7684school_read\u89d2\u8272\u3002\uff081\uff09\u64a4\u9500\u7684SQL\u8bed\u53e5\u5982\u4e0b\nREVOKE 'school_read' FROM 'kangshifu'@'localhost';\n\n\uff082\uff09\u64a4\u9500\u540e\uff0c\u6267\u884c\u5982\u4e0b\u67e5\u8be2\u8bed\u53e5\uff0c\u67e5\u770bkangshifu\u7528\u6237\u7684\u89d2\u8272\u4fe1\u606f\nSHOW GRANTS FOR 'kangshifu'@'localhost';\n\n\u6267\u884c\u53d1\u73b0\uff0c\u7528\u6237kangshifu\u4e4b\u524d\u7684school_read\u89d2\u8272\u5df2\u88ab\u64a4\u9500\u3002<\/code><\/pre>\n\n\n\n
      5.10 \u8bbe\u7f6e\u5f3a\u5236\u89d2\u8272(mandatory role)<\/h3>\n\n\n\n
      \u65b9\u5f0f1\uff1a\u670d\u52a1\u542f\u52a8\u524d\u8bbe\u7f6e<\/code><\/pre>\n\n\n
      [mysqld]<\/p>\n\n\n\n
      mandatory_roles='role1,role2@localhost,r3@%.atguigu.com' \u65b9\u5f0f2\uff1a\u8fd0\u884c\u65f6\u8bbe\u7f6e SET PERSIST mandatory_roles = 'role1,role2@localhost,r3@%.example.com';  #\u7cfb\u7edf\u91cd\u542f\u540e\u4ecd\u7136\u6709\u6548 SET GLOBAL mandatory_roles = 'role1,role2@localhost,r3@%.example.com';  #\u7cfb\u7edf\u91cd\u542f\u540e\u5931\u6548<\/p>\n\n\n\n
      6.\u914d\u7f6e\u6587\u4ef6\u7684\u4f7f\u7528<\/h2>\n\n\n\n
      6.1\u914d\u7f6e\u6587\u4ef6\u683c\u5f0f<\/h3>\n\n\n\n
      \u4e0e\u5728\u547d\u4ee4\u884c\u4e2d\u6307\u5b9a\u542f\u52a8\u9009\u9879\u4e0d\u540c\u7684\u662f\uff0c\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u542f\u52a8\u9009\u9879\u88ab\u5212\u5206\u4e3a\u82e5\u5e72\u4e2a\u7ec4\uff0c\u6bcf\u4e2a\u7ec4\u6709\u4e00\u4e2a\u7ec4\u540d\uff0c\u7528\u4e2d\u62ec\u53f7[]\u6269\u8d77\u6765\uff0c\u50cf\u8fd9\u6837\uff1a<\/p>\n\n\n\n
      [server]\n\uff08\u5177\u4f53\u7684\u542f\u52a8\u9009\u9879...\uff09<\/code><\/pre>\n\n\n
      [mysg1d]<\/p>\n\n\n\n
      \uff08\u5177\u4f53\u7684\u542f\u52a8\u9009\u9879...)<\/p>\n\n\n
      [mysqld_safe]<\/p>\n\n\n\n
      \uff08\u5177\u4f53\u7684\u542f\u52a8\u9009\u9879...\uff09<\/p>\n\n\n
      [client]<\/p>\n\n\n\n
      \uff08\u5177\u4f53\u7684\u542f\u52a8\u9009\u9879...\uff09<\/p>\n\n\n
      [mysql]<\/p>\n\n\n\n
      \uff08\u5177\u4f53\u7684\u542f\u52a8\u9009\u9879...\uff09<\/p>\n\n\n
      [mysqladmin]<\/p>\n\n\n\n
      \uff08\u5177\u4f53\u7684\u542f\u52a8\u9009\u9879...)<\/p>\n\n\n\n
      \u50cf\u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u91cc\u5c31\u5b9a\u4e49\u4e86\u8bb8\u591a\u4e2a\u7ec4\uff0c\u7ec4\u540d\u5206\u522b\u662fserver\u3001mysqld\u3001mysqld_safe\u3001client\u3001mysql\u3001mysqladmin\u3002\u6bcf\u4e2a\u7ec4\u4e0b\u8fb9\u53ef\u4ee5\u5b9a\u4e49\u82e5\u5e72\u4e2a\u542f\u52a8\u9009\u9879\uff0c\u6211\u4eec\u4ee5[server]\u7ec4\u4e3a\u4f8b\u6765\u770b\u4e00\u4e0b\u586b\u5199\u542f\u52a8\u9009\u9879\u7684\u5f62\u5f0f\uff08\u5176\u4ed6\u7ec4\u4e2d\u542f\u52a8\u9009\u9879\u7684\u5f62\u5f0f\u662f\u4e00\u6837\u7684\uff09\uff1a
      [server]
      option1#\u8fd9\u662foption1\uff0c\u8be5\u9009\u9879\u4e0d\u9700\u8981\u9009\u9879\u503c
      option2=value2#\u8fd9\u662foption2\uff0c\u8be5\u9009\u9879\u9700\u8981\u9009\u9879\u503c <\/p>\n\n\n\n
      datadir=\/var\/lib\/mysql\nsocket=\/var\/lib\/mysql\/mysql.sock\n\u50cf\u8fd9\u79cd\u7684\u4e00\u4e2a\u4ec0\u4e48=\u53e6\u4e00\u4e2a\u76ee\u5f55\u7684\u5c31\u662f\u952e\u503c\u5bf9\u7c7b\u578b\u7684<\/code><\/pre>\n\n\n\n
       \u914d\u7f6e\u6587\u4ef6\u4e2d\u4e0d\u540c\u7684\u9009\u9879\u7ec4\u662f\u7ed9\u4e0d\u540c\u7684\u542f\u52a8\u547d\u4ee4\u4f7f\u7528\u7684\u3002\u4e0d\u8fc7\u6709\u4e24\u4e2a\u9009\u9879\u7ec4\u6bd4\u8f83\u7279\u522b\uff1a
       [server]\u7ec4\u4e0b\u8fb9\u7684\u542f\u52a8\u9009\u9879\u5c06\u4f5c\u7528\u4e8e\u6240\u6709\u7684\u670d\u52a1\u5668\u7a0b\u5e8f\u3002
       [client]\u7ec4\u4e0b\u8fb9\u7684\u542f\u52a8\u9009\u9879\u5c06\u4f5c\u7528\u4e8e\u6240\u6709\u7684\u5ba2\u6237\u7aef\u7a0b\u5e8f\u3002<\/p>\n\n\n\n
      \"\"<\/p>\n\n\n\n
      \u6bd4\u5982\uff0c\u5728 \/etc\/mysql\/my.cnf \u8fd9\u4e2a\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4e00\u4e9b\u5185\u5bb9\uff1a<\/p>\n\n\n\n
      [server]
      skip-networking
      default-storage-engine=MyISAM<\/p>\n\n\n\n
      \u7136\u540e\u76f4\u63a5\u7528 mysqld \u542f\u52a8\u670d\u52a1\u5668\u7a0b\u5e8f\uff1a
      mysqld<\/p>\n\n\n\n
      \u867d\u7136\u5728\u547d\u4ee4\u884c\u6ca1\u6709\u6dfb\u52a0\u542f\u52a8\u9009\u9879\uff0c\u4f46\u662f\u5728\u7a0b\u5e8f\u542f\u52a8\u7684\u65f6\u5019\uff0c\u5c31\u4f1a\u9ed8\u8ba4\u7684\u5230\u6211\u4eec\u4e0a\u8fb9\u63d0\u5230\u7684\u914d\u7f6e\u6587\u4ef6\u8def\u5f84\u4e0b\u67e5\u627e\u914d\u7f6e\u6587\u4ef6\uff0c\u5176\u4e2d\u5c31\u5305\u62ec \/etc\/my.cnf\u3002\u53c8\u7531\u4e8e mysqld \u547d\u4ee4\u53ef\u4ee5\u8bfb\u53d6 [server] \u9009\u9879\u7ec4\u7684\u5185\u5bb9\uff0c\u6240\u4ee5 skip-networking \u548c default-storage-engine=MyISAM \u8fd9\u4e24\u4e2a\u9009\u9879\u662f\u751f\u6548\u7684\u3002\u4f60\u53ef\u4ee5\u628a\u8fd9\u4e9b\u542f\u52a8\u9009\u9879\u653e\u5728 [client] \u7ec4\u91cc\u518d\u8bd5\u8bd5\u7528 mysqld \u542f\u52a8\u670d\u52a1\u5668\u7a0b\u5e8f\uff0c\u5c31\u4e0d\u751f\u6548\u3002<\/p>\n\n\n\n
      6.3 \u7279\u5b9aMySQL\u7248\u672c\u7684\u4e13\u7528\u9009\u9879\u7ec4<\/p>\n\n\n\n
      \u6211\u4eec\u53ef\u4ee5\u5728\u9009\u9879\u7ec4\u7684\u540d\u79f0\u540e\u52a0\u4e0a\u7279\u5b9a\u7684 MySQL \u7248\u672c\u53f7\uff0c\u6bd4\u5982\u5bf9\u4e8e [mysqld] \u9009\u9879\u7ec4\u6765\u8bf4\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a [mysqld-5.7] \u7684\u9009\u9879\u7ec4\uff0c\u5b83\u7684\u542b\u4e49\u548c [mysqld] \u4e00\u6837\uff0c\u53ea\u4e0d\u8fc7\u53ea\u6709\u7248\u672c\u53f7\u4e3a 5.7 \u7684 mysqld \u7a0b\u5e8f\u624d\u80fd\u4f7f\u7528\u8fd9\u4e2a\u9009\u9879\u7ec4\u4e2d\u7684\u9009\u9879\u3002<\/p>\n\n\n\n
       \u542f\u52a8\u5bf9\u5e94\u7684\u547d\u4ee4\uff0c\u8bfb\u53d6\u5bf9\u5e94\u7684\u9009\u9879\u7ec4\uff0c\u9009\u9879\u7ec4\u4e0b\u7684\u914d\u7f6e\u751f\u6548<\/p>\n\n\n\n
      6.4 \u540c\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\u4e2d\u591a\u4e2a\u7ec4\u7684\u4f18\u5148\u7ea7<\/p>\n\n\n\n
      \u6211\u4eec\u8bf4\u540c\u4e00\u4e2a\u547d\u4ee4\u53ef\u4ee5\u8bbf\u95ee\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u591a\u4e2a\u7ec4\uff0c\u6bd4\u5982 mysqld \u53ef\u4ee5\u8bbf\u95ee [mysqld]\u3001[server] \u7ec4\uff0c\u5982\u679c\u5728\u540c\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u6bd4\u5982 ~\/.my.cnf\uff0c\u5728\u8fd9\u4e9b\u7ec4\u91cc\u51fa\u73b0\u4e86\u540c\u6837\u7684\u914d\u7f6e\u9879\uff0c\u6bd4\u5982\u8fd9\u6837\uff1a<\/p>\n\n\n\n
      [server]
      default-storage-engine=InnoDB<\/p>\n\n\n\n
      [mysqld]
      default-storage-engine=MyISAM<\/p>\n\n\n\n
      \u90a3\u4e48\uff0c\u5c06\u4ee5\u6700\u540e\u4e00\u4e2a\u51fa\u73b0\u7684\u7ec4\u4e2d\u7684\u542f\u52a8\u9009\u9879\u4e3a\u51c6\uff0c\u6bd4\u65b9\u8bf4\u4f8b\u5b50\u4e2d default-storage-engine \u65e2\u51fa\u73b0\u5728 [mysqld] \u7ec4\u4e5f\u51fa\u73b0\u5728 [server] \u7ec4\uff0c\u56e0\u4e3a [mysqld] \u7ec4\u5728 [server] \u7ec4\u540e\u8fb9\uff0c\u5c31\u4ee5 [mysqld] \u7ec4\u4e2d\u7684\u914d\u7f6e\u9879\u4e3a\u51c6\u3002 \u200b<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u7b2c03\u7ae0_\u7528\u6237\u4e0e\u6743\u9650\u7ba1\u7406  MySQL\u7528\u6237\u53ef\u4ee5\u5206\u4e3a\u666e\u901a\u7528\u6237\u548croot\u7528\u6237\u3002root\u7528\u6237\u662f\u8d85\u7ea7\u7ba1\u7406\u5458\uff0c\u62e5\u6709\u6240\u6709\u6743\u9650\uff0c\u5305\u62ec\u521b …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[2],"tags":[16],"class_list":["post-890","post","type-post","status-publish","format-standard","hentry","category-2","tag-sql"],"_links":{"self":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/890","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=890"}],"version-history":[{"count":1,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/890\/revisions"}],"predecessor-version":[{"id":893,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/890\/revisions\/893"}],"wp:attachment":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}