{"id":52,"date":"2021-12-22T15:00:10","date_gmt":"2021-12-22T07:00:10","guid":{"rendered":"https:\/\/mindrunning.cn\/blog\/?p=52"},"modified":"2021-12-22T16:51:34","modified_gmt":"2021-12-22T08:51:34","slug":"%e9%80%9a%e8%bf%87%e5%91%bd%e4%bb%a4%e8%a1%8c%e7%ae%a1%e7%90%86mysql%e6%95%b0%e6%8d%ae%e5%ba%93%e5%92%8c%e7%94%a8%e6%88%b7","status":"publish","type":"post","link":"https:\/\/mindrunning.cn\/blog\/?p=52","title":{"rendered":"\u901a\u8fc7\u547d\u4ee4\u884c\u7ba1\u7406MySQL\u6570\u636e\u5e93\u548c\u7528\u6237"},"content":{"rendered":"\n

\u672c\u6587\u7ffb\u8bd1\u81ea\uff1a<\/p>How to Manage MySQL Databases and Users from the Command Line<\/a><\/cite><\/blockquote>\n\n\n\n

MySQL \u662f\u5f53\u524d\u6700\u6d41\u884c\u7684\u5f00\u6e90\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e4b\u4e00\u3002 MySQL server \u5141\u8bb8\u6211\u4eec\u521b\u5efa\u5f88\u591a\u7528\u6237\u548c\u6570\u636e\u5e93\uff0c\u5e76\u4e14\u6388\u4e88\u76f8\u5173\u7528\u6237\u8bbf\u95ee\u548c\u7ba1\u7406\u6570\u636e\u5e93\u5408\u9002\u7684\u6743\u9650\u3002<\/p>\n\n\n\n

\u672c\u7bc7\u6587\u7ae0\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528\u547d\u4ee4\u884c\u5efa\u7acb\u548c\u7ba1\u7406MySQL \u6216 MariaDB\u6570\u636e\u5e93\u548c\u7528\u6237\u3002<\/p>\n\n\n\n

\u5f00\u59cb\u4e4b\u524d<\/h3>\n\n\n\n

\u5728\u5f00\u59cb\u64cd\u4f5c\u4e4b\u524d\uff0c\u6211\u4eec\u5047\u8bbe\u4f60\u5df2\u7ecf\u5728\u4f60\u7684\u7cfb\u7edf\u4e0a\u5b89\u88c5\u4e86MySQL \u6216 MariaDB server \u3002\u6240\u6709\u76f8\u5173\u547d\u4ee4\u5747\u5df2root\u7528\u6237\u6743\u9650\u64cd\u4f5c\u3002<\/p>\n\n\n\n

\u5f00\u542fMySQL \u63d0\u793a\u7b26, \u952e\u5165\u5982\u4e0b\u547d\u4ee4\u5e76\u8f93\u5165 MySQL root \u7528\u6237\u5bc6\u7801\uff1a<\/p>\n\n\n\n

\n
$ mysql -u root -p<\/code><\/pre>\n\n\n\n
\u521b\u5efa\u4e00\u4e2a\u65b0\u7684MySQL\u6570\u636e\u5e93<\/h3>\n<\/div><\/div>\n\n\n\n
\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 MySQL \u6570\u636e\u5e93<\/a> \uff0c\u8fd0\u884c\u5982\u4e0b\u547d\u4ee4, \u5c06 database_name<\/code> \u66ff\u6362\u4e3a\u4f60\u5c06\u8981\u521b\u5efa\u7684\u6570\u636e\u5e93\u540d\uff1a<\/p>\n\n\n\n
mysql> CREATE DATABASE database_name;<\/code><\/pre>\n\n\n\n
Output<\/span>\nQuery OK, 1 row affected (0.00 sec)<\/code><\/pre>\n\n\n\n
\u5982\u679c\u4f60\u521b\u5efa\u7684\u6570\u636e\u5e93\u5df2\u7ecf\u5b58\u5728\u5c06\u63d0\u793a\u5982\u4e0b\u9519\u8bef\u4fe1\u606f\uff1a<\/p>\n\n\n\n
Output<\/span>\nERROR 1007 (HY000): Can't create database 'database_name'; database exists<\/code><\/pre>\n\n\n\n
\u4e3a\u907f\u514d\u5df2\u5b58\u5728\u76f8\u540c\u7684\u6570\u636e\u5e93\u540d\uff0c\u4f60\u53ef\u4ee5\u8f93\u5165\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n
mysql> CREATE DATABASE IF NOT EXISTS database_name;<\/code><\/pre>\n\n\n\n
Output<\/span>\nQuery OK, 1 row affected, 1 warning (0.00 sec)<\/code><\/pre>\n\n\n\n
\u5728\u4e0a\u9762\u7684\u8f93\u51fa\u4e2d\uff0c Query OK<\/code> \u8868\u793a\u67e5\u8be2\u5df2\u6210\u529f,  1 warning<\/code> \u544a\u8bc9\u6211\u4eec\u6b64\u6570\u636e\u5e93\u5df2\u5b58\u5728\uff0c\u56e0\u6b64\u5e76\u6ca1\u6709\u65b0\u7684\u6570\u636e\u5e93\u88ab\u521b\u5efa\u3002<\/p>\n\n\n\n
\u5217\u51fa\u6240\u6709MySQL\u6570\u636e\u5e93<\/h3>\n\n\n\n
\u4f60\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4 \u5217\u51fa\u6240\u6709\u5df2\u5b58\u5728\u4e8eMySQL\u6216MariaDB server\u4e2d\u7684\u6570\u636e\u5e93<\/a> \uff1a<\/p>\n\n\n\n
mysql> SHOW DATABASES;<\/code><\/pre>\n\n\n\n
\u53ef\u80fd\u4f1a\u6709\u5982\u4e0b\u7c7b\u4f3c\u7684\u8f93\u51fa\uff1a<\/p>\n\n\n\n
Output<\/span>\n+--------------------+\n| Database           |\n+--------------------+\n| information_schema |\n| database_name      |\n| mysql              |\n| performance_schema |\n| sys                |\n+--------------------+\n5 rows in set (0.00 sec)<\/code><\/pre>\n\n\n\n
\u5728\u8f93\u51fa\u4fe1\u606f\u4e2d\uff0c information_schema<\/code>, mysql<\/code>, performance_schema<\/code>, \u548c sys<\/code> \u6570\u636e\u5e93\u5728\u5b89\u88c5\u65f6\u5c31\u88ab\u521b\u5efa\uff0c\u5b83\u4eec\u5b58\u4f4f\u7740\u5176\u5b83\u6570\u636e\u5e93\u7684\u4fe1\u606f\u3001\u7cfb\u7edf\u914d\u7f6e\u3001\u7528\u6237\u4fe1\u606f\u3001\u6743\u9650\u4ee5\u53ca\u5176\u5b83\u91cd\u8981\u6570\u636e\u3002\u8fd9\u4e9b\u6570\u636e\u5e93\u5728MySQL\u7684\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u90fd\u6709\u5176\u5fc5\u8981\u7684\u76f8\u5e94\u529f\u80fd\u3002<\/p>\n\n\n\n
\u5220\u9664\u4e00\u4e2aMySQL\u6570\u636e\u5e93<\/h3>\n\n\n\n
\u5220\u9664\u4e00\u4e2a MySQL \u6570\u636e\u5e93<\/a> \u53ef\u4ee5\u7528\u4e00\u884c\u547d\u4ee4\u7b80\u5355\u6267\u884c\u3002\u8fd9\u662f\u4e00\u4e2a\u4e0d\u53ef\u9006\u8f6c\u7684\u52a8\u4f5c\uff0c\u5728\u6267\u884c\u65f6\u9700\u8981\u5c0f\u5fc3\u8c28\u614e\u3002\u786e\u4fdd\u4f60\u6ca1\u6709\u9519\u8bef\u5730\u5220\u9664\u4e00\u4e2a\u6570\u636e\u5e93\uff0c\u56e0\u4e3a\u4e00\u65e6\u6570\u636e\u5e93\u88ab\u5220\u9664\u5c06\u4e0d\u53ef\u6062\u590d\u3002<\/p>\n\n\n\n
\u5220\u9664\u4e00\u4e2a MySQL \u6216 MariaDB \u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u8fd0\u884c\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n
mysql> DROP DATABASE database_name;<\/code><\/pre>\n\n\n\n
Output<\/span>\nQuery OK, 0 rows affected (0.00 sec)<\/code><\/pre>\n\n\n\n
\u5982\u679c\u4f60\u8bd5\u56fe\u5220\u9664\u4e00\u4e2a\u5e76\u4e0d\u5b58\u5728\u7684\u6570\u636e\u5e93\uff0c\u4f60\u8bb2\u770b\u5230\u5982\u4e0b\u9519\u8bef\u4fe1\u606f\uff1a<\/p>\n\n\n\n
Output<\/span>\nERROR 1008 (HY000): Can't drop database 'database_name'; database doesn't exist<\/code><\/pre>\n\n\n\n
\u4e3a\u907f\u514d\u8fd9\u4e2a\u9519\u8bef\uff0c\u4f60\u53ef\u4ee5\u8f93\u5165\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n
mysql> DROP DATABASE IF EXISTS database_name;<\/code><\/pre>\n\n\n\n
\u521b\u5efa\u4e00\u4e2aMySQL\u7528\u6237\u5e10\u53f7<\/h3>\n\n\n\n
\u4e00\u4e2a MySQL\u7684\u7528\u6237\u8d26\u53f7\u5305\u542b user name \u548c host name \u90e8\u5206\u3002<\/p>\n\n\n\n
\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 MySQL \u7528\u6237\u8d26\u53f7<\/a> \u53ef\u4ee5\u8fd0\u884c\u5982\u4e0b\u547d\u4ee4\uff0c\u5c06 \u2018database_user\u2019 \u66ff\u6362\u4e3a\u4f60\u8981\u521b\u5efa\u7684\u7528\u6237\u540d\uff1a<\/p>\n\n\n\n
mysql> CREATE USER 'database_user'@'localhost' IDENTIFIED BY 'user_password';<\/code><\/pre>\n\n\n\n
\u5728\u4e0a\u9762\u7684\u547d\u4ee4\u4e2d\uff0c\u6211\u4eec\u8bbe\u7f6e hostname \u4e3a localhost<\/code> \u610f\u5473\u7740\u8fd9\u4e2a\u7528\u6237\u5c06\u53ea\u80fd\u901a\u8fc7localhost\u8fde\u63a5 MySQL server \u3002\u5982\u679c\u4f60\u9700\u8981\u4ece\u5176\u5b83\u4e3b\u673a\u8bbf\u95ee\uff0c\u53ea\u9700\u4fee\u6539 localhost<\/code> \u4e3a\u76f8\u5e94\u4e3b\u673a IP \u6216\u8005\u4f7f\u7528\u53ef\u4ee5\u901a\u8fc7\u4efb\u610f\u4e3b\u673a\u8fde\u63a5\u7684 '%'<\/code> \u901a\u914d\u7b26\u3002<\/p>\n\n\n\n
\u4e3a\u907f\u514d\u7c7b\u4f3c\u6570\u636e\u5e93\u64cd\u4f5c\uff08\u5df2\u5b58\u5728\uff09\u76f8\u540c\u7684\u9519\u8bef\u63d0\u793a\uff0c\u521b\u65b0\u65b0\u7528\u6237\u65f6\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u4ee5\u907f\u514d\u7528\u6237\u5df2\u5b58\u5728\uff1a<\/p>\n\n\n\n
mysql> CREATE USER IF NOT EXISTS 'database_user'@'localhost' IDENTIFIED BY 'user_password';<\/code><\/pre>\n\n\n\n
Output<\/span>\nQuery OK, 0 rows affected, 1 warning (0.00 sec)<\/code><\/pre>\n\n\n\n
\u6539\u53d8MySQL\u7528\u6237\u5bc6\u7801<\/h3>\n\n\n\n
\u6539\u53d8\u4e00\u4e2a MySQL \u6216\u8005 MariaDB \u7684\u7528\u6237\u5bc6\u7801\u7684\u53e5\u6cd5\u53d6\u51b3\u4e8e\u7cfb\u7edf\u4e2d\u8fd0\u884c\u7684\u670d\u52a1\u7248\u672c\u3002<\/p>\n\n\n\n
\u4f60\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u786e\u5b9a\u670d\u52a1\u7248\u672c\uff1a<\/p>\n\n\n\n
$mysql --version<\/code><\/pre>\n\n\n\n
\u5982\u679c\u7248\u672c\u9ad8\u4e8e MySQL 5.7.6 \u6216 MariaDB 10.1.20 \uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u66f4\u6539\u5bc6\u7801\uff1a<\/p>\n\n\n\n
mysql> ALTER USER 'database_user'@'localhost' IDENTIFIED BY 'new_password';<\/code><\/pre>\n\n\n\n
\u5982\u679c\u7248\u672c\u4f4e\u4e8e MySQL 5.7.5 \u6216 MariaDB 10.1.20 \uff0c\u5219\u4f7f\u7528\uff1a<\/p>\n\n\n\n
mysql> SET PASSWORD FOR 'database_user'@'localhost' = PASSWORD('new_password');<\/code><\/pre>\n\n\n\n
\u4e24\u79cd\u60c5\u51b5\u8f93\u51fa\uff1a<\/p>\n\n\n\n
Output<\/span>\nQuery OK, 0 rows affected (0.00 sec)<\/code><\/pre>\n\n\n\n
\u5217\u51fa\u6240\u6709MySQL\u7528\u6237\u5e10\u53f7<\/h3>\n\n\n\n
\u4f60\u53ef\u4ee5\u901a\u8fc7\u67e5\u8be2 mysql.users \u8868\u6765 \u5217\u51fa\u6240\u6709\u7684 MySQL \u6216 MariaDB \u7528\u6237\u8d26\u53f7<\/a> \uff1a<\/p>\n\n\n\n
mysql> SELECT user, host FROM mysql.user;<\/code><\/pre>\n\n\n\n
\u8f93\u51fa\u7c7b\u4f3c\u5982\u4e0b\u4fe1\u606f\uff1a<\/p>\n\n\n\n
Output<\/span>\n+------------------+-----------+\n| user             | host      |\n+------------------+-----------+\n| database_user    | %         |\n| database_user    | localhost |\n| debian-sys-maint | localhost |\n| mysql.session    | localhost |\n| mysql.sys        | localhost |\n| root             | localhost |\n+------------------+-----------+\n6 rows in set (0.00 sec)<\/code><\/pre>\n\n\n\n
\u5220\u9664MySQL\u7528\u6237\u8d26\u53f7<\/h3>\n\n\n\n
\u5220\u9664\u7528\u6237\u8d26\u53f7<\/a>\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\uff1a<\/p>\n\n\n\n
mysql> DROP USER 'database_user@'localhost';<\/code><\/pre>\n\n\n\n
sql> DROP USER IF EXISTS 'database_user'@'localhost';<\/code><\/pre>\n\n\n\n
Output<\/span>\nQuery OK, 0 rows affected, 1 warning (0.00 sec)<\/code><\/pre>\n\n\n\n
\u4e3a\u7528\u6237\u8d26\u53f7\u83b7\u53d6\u76f8\u5e94\u6743\u9650<\/h3>\n\n\n\n
\u4e00\u4e2a\u7528\u6237\u8d26\u53f7\u53ef\u4ee5\u88ab\u8d4b\u4e88\u591a\u79cd\u7c7b\u578b\u7684\u6743\u9650\uff0c\u4f60\u53ef\u4ee5 \u5728\u6b64 <\/a>\u627e\u5230MySQL\u652f\u6301\u7684\u6743\u9650\u5217\u8868\uff0c\u53c2\u89c1\u5982\u4e0b\u793a\u4f8b\uff1a<\/p>\n\n\n\n
mysql> GRANT ALL PRIVILEGES ON database_name.* TO 'database_user'@'localhost';<\/code><\/pre>\n\n\n\n
mysql> GRANT ALL PRGRANT ALL PRIVILEGES ON *.* TO 'database_user'@'localhost';<\/code><\/pre>\n\n\n\n
mysql> GRANT ALL PRIVILEGES ON database_name.table_name TO 'database_user'@'localhost';<\/code><\/pre>\n\n\n\n
mysql> GRANT SELECT, INSERT, DELETE ON database_name.* TO database_user@'localhost';<\/code><\/pre>\n\n\n\n
\u540a\u9500MySQL\u7528\u6237\u8d26\u53f7\u6743\u9650<\/h3>\n\n\n\n
\u5982\u679c\u9700\u8981\u540a\u9500\u7528\u6237\u8d26\u53f7\u7684\u4e00\u9879\u6216\u51e0\u9879\u4e43\u81f3\u6240\u6709\u7684\u6743\u9650\uff0c\u5176\u53e5\u6cd5\u8ddf\u83b7\u53d6\u6743\u9650\u7c7b\u4f3c\uff0c\u4f8b\u5982\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u5c06\u4e00\u4e2a\u8d26\u53f7\u7684\u6240\u6709\u6743\u9650\u79fb\u9664\uff1a<\/p>\n\n\n\n
mysql> REVOKE ALL PRIVILEGES ON database_name.* TO 'database_user'@'localhost';<\/code><\/pre>\n\n\n\n
\u663e\u793aMySQL\u7528\u6237\u8d26\u53f7\u6743\u9650<\/h3>\n\n\n\n
\u67e5\u8be2\u67d0\u4e2a\u7528\u6237\u8d26\u53f7\u7684\u6743\u9650\uff1a<\/p>\n\n\n\n
sql> SHOW GRANTS FOR 'database_user'@'localhost';<\/code><\/pre>\n\n\n\n
Output<\/span>\n+---------------------------------------------------------------------------+\n| Grants for database_user@localhost                                        |\n+---------------------------------------------------------------------------+\n| GRANT USAGE ON *.* TO 'database_user'@'localhost'                         |\n| GRANT ALL PRIVILEGES ON `database_name`.* TO 'database_user'@'localhost'  |\n+---------------------------------------------------------------------------+\n2 rows in set (0.00 sec)<\/code><\/pre>\n\n\n\n
\u7ed3\u5c3e<\/h3>\n\n\n\n
\u8fd9\u53ea\u662f\u4e00\u4e2a\u57fa\u672c\u6559\u7a0b\uff0c\u4f46\u5bf9\u4e8e\u7528\u547d\u4ee4\u884c\u7ba1\u7406MySQL\u6570\u636e\u5e93\u548c\u7528\u6237\u5e10\u53f7\u7684\u4f7f\u7528\u8005\u6765\u8bf4\u662f\u4e00\u4e2a\u597d\u7684\u5f00\u59cb\u3002\u5982\u679c\u5fd8\u8bb0root\u5bc6\u7801\uff0c\u53ef\u4ee5\u67e5\u770b\u6b64\u6559\u7a0b\u00a0How to reset a MySQL root password<\/a>.<\/p>\n\n\n\n
That\u2019s all! \u5982\u679c\u6709\u4efb\u4f55\u95ee\u9898\u6b22\u8fce\u53cd\u9988\u548c\u7559\u8a00\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u6587\u7ffb\u8bd1\u81ea\uff1a How to Manage MySQL Databases and Users from the… » \u9605\u8bfb\u5168\u6587<\/a><\/p>\n","protected":false},"author":1,"featured_media":53,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[26,25,22,24],"class_list":["post-52","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-21","tag-mariadb","tag-mysql","tag-mysql-database","tag-24"],"_links":{"self":[{"href":"https:\/\/mindrunning.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/52","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mindrunning.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindrunning.cn\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindrunning.cn\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mindrunning.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=52"}],"version-history":[{"count":8,"href":"https:\/\/mindrunning.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/52\/revisions"}],"predecessor-version":[{"id":63,"href":"https:\/\/mindrunning.cn\/blog\/index.php?rest_route=\/wp\/v2\/posts\/52\/revisions\/63"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindrunning.cn\/blog\/index.php?rest_route=\/wp\/v2\/media\/53"}],"wp:attachment":[{"href":"https:\/\/mindrunning.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=52"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindrunning.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=52"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindrunning.cn\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=52"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}