{"id":168,"date":"2024-12-12T00:51:51","date_gmt":"2024-12-11T16:51:51","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=168"},"modified":"2024-12-12T00:51:51","modified_gmt":"2024-12-11T16:51:51","slug":"mysql%e7%94%a8%e6%88%b7%e5%90%8d%e6%80%8e%e4%b9%88%e8%ae%be%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2024\/12\/12\/mysql%e7%94%a8%e6%88%b7%e5%90%8d%e6%80%8e%e4%b9%88%e8%ae%be%e7%bd%ae\/","title":{"rendered":"mysql\u7528\u6237\u540d\u600e\u4e48\u8bbe\u7f6e"},"content":{"rendered":"\n<p>\u5728 MySQL \u4e2d\uff0c\u7528\u6237\u540d\u7684\u8bbe\u7f6e\u4e0e\u7ba1\u7406\u975e\u5e38\u91cd\u8981\u3002\u4e0b\u9762\u662f\u5bf9\u5176\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5305\u62ec\u521b\u5efa\u3001\u4fee\u6539\u3001\u5220\u9664\u7528\u6237\uff0c\u4ee5\u53ca\u7528\u6237\u6743\u9650\u7ba1\u7406\u7684\u5177\u4f53\u64cd\u4f5c\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. \u7528\u6237\u540d\u89c4\u5219<\/strong><\/h2>\n\n\n\n<p>MySQL \u7528\u6237\u540d\u7531\u4e24\u90e8\u5206\u7ec4\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7528\u6237\u540d<\/strong>\uff1a\u4f8b\u5982 <code>'username'<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u4e3b\u673a\u540d<\/strong>\uff1a\u6307\u5b9a\u7528\u6237\u5728\u54ea\u4e9b\u4e3b\u673a\u4e0a\u53ef\u4ee5\u8fde\u63a5\u5230 MySQL\uff0c\u4f8b\u5982 <code>'username'@'localhost'<\/code>\u3002<\/li>\n\n\n\n<li><code>'localhost'<\/code>\uff1a\u8868\u793a\u53ea\u80fd\u4ece\u672c\u5730\u4e3b\u673a\u8bbf\u95ee\u3002<\/li>\n\n\n\n<li><code>'%'<\/code>\uff1a\u8868\u793a\u53ef\u4ee5\u4ece\u4efb\u610f\u4e3b\u673a\u8bbf\u95ee\u3002<\/li>\n\n\n\n<li><code>'192.168.1.%'<\/code>\uff1a\u8868\u793a\u53ea\u80fd\u4ece\u6307\u5b9a\u7f51\u6bb5\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. \u521b\u5efa\u7528\u6237\u540d<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uff081\uff09\u57fa\u672c\u8bed\u6cd5<\/h3>\n\n\n\n<p>\u4f7f\u7528 <code>CREATE USER<\/code> \u547d\u4ee4\u521b\u5efa\u65b0\u7528\u6237\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE USER 'username'@'hostname' IDENTIFIED BY 'password';<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\uff082\uff09\u793a\u4f8b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u53ea\u80fd\u4ece\u672c\u5730\u8bbf\u95ee\u7684\u7528\u6237\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  CREATE USER 'john'@'localhost' IDENTIFIED BY 'securePass123';<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u53ef\u4ee5\u4ece\u4efb\u610f\u4e3b\u673a\u8bbf\u95ee\u7684\u7528\u6237\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  CREATE USER 'john'@'%' IDENTIFIED BY 'securePass123';<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521b\u5efa\u7528\u6237\u5e76\u4f7f\u7528\u52a0\u5bc6\u5bc6\u7801\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  CREATE USER 'jane'@'localhost' IDENTIFIED WITH mysql_native_password BY 'encryptedPass456';<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. \u4fee\u6539\u7528\u6237\u540d<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\uff081\uff09\u91cd\u547d\u540d\u7528\u6237<\/h3>\n\n\n\n<p>\u4f7f\u7528 <code>RENAME USER<\/code> \u4fee\u6539\u7528\u6237\u540d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>RENAME USER 'old_username'@'hostname' TO 'new_username'@'hostname';<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06\u7528\u6237 <code>john<\/code> \u4fee\u6539\u4e3a <code>john_doe<\/code>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  RENAME USER 'john'@'localhost' TO 'john_doe'@'localhost';<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\uff082\uff09\u4fee\u6539\u7528\u6237\u5bc6\u7801<\/h3>\n\n\n\n<p>\u4f7f\u7528 <code>ALTER USER<\/code> \u4fee\u6539\u5bc6\u7801\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u57fa\u672c\u8bed\u6cd5<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>ALTER USER 'username'@'hostname' IDENTIFIED BY 'new_password';<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4fee\u6539 <code>john<\/code> \u7528\u6237\u7684\u5bc6\u7801\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  ALTER USER 'john'@'localhost' IDENTIFIED BY 'newSecurePass789';<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f3a\u5236\u7528\u6237\u4e0b\u6b21\u767b\u5f55\u65f6\u4fee\u6539\u5bc6\u7801\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  ALTER USER 'john'@'localhost' PASSWORD EXPIRE;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. \u5220\u9664\u7528\u6237\u540d<\/strong><\/h2>\n\n\n\n<p>\u4f7f\u7528 <code>DROP USER<\/code> \u5220\u9664\u7528\u6237\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uff081\uff09\u57fa\u672c\u8bed\u6cd5<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>DROP USER 'username'@'hostname';<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\uff082\uff09\u793a\u4f8b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5220\u9664 <code>john<\/code> \u7528\u6237\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  DROP USER 'john'@'localhost';<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5220\u9664\u591a\u4e2a\u7528\u6237\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  DROP USER 'john'@'localhost', 'jane'@'%';<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. \u7528\u6237\u6743\u9650\u7ba1\u7406<\/strong><\/h2>\n\n\n\n<p>\u7528\u6237\u521b\u5efa\u540e\u9ed8\u8ba4\u6ca1\u6709\u4efb\u4f55\u6743\u9650\uff0c\u9700\u8981\u624b\u52a8\u6388\u4e88\u6743\u9650\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uff081\uff09\u6388\u4e88\u6743\u9650<\/h3>\n\n\n\n<p>\u4f7f\u7528 <code>GRANT<\/code> \u547d\u4ee4\u6388\u4e88\u6743\u9650\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u57fa\u672c\u8bed\u6cd5<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>GRANT privilege1, privilege2 ON database_name.table_name TO 'username'@'hostname';<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6388\u4e88 <code>SELECT<\/code> \u6743\u9650\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  GRANT SELECT ON my_database.* TO 'john'@'localhost';<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6388\u4e88\u6240\u6709\u6743\u9650\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  GRANT ALL PRIVILEGES ON my_database.* TO 'john'@'localhost';<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6388\u4e88\u5168\u5c40\u6743\u9650\uff08\u6240\u6709\u6570\u636e\u5e93\uff09\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  GRANT ALL PRIVILEGES ON *.* TO 'john'@'%';<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5237\u65b0\u6743\u9650\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  FLUSH PRIVILEGES;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\uff082\uff09\u67e5\u770b\u6743\u9650<\/h3>\n\n\n\n<p>\u4f7f\u7528 <code>SHOW GRANTS<\/code> \u67e5\u770b\u7528\u6237\u6743\u9650\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u67e5\u770b\u7528\u6237\u6743\u9650\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  SHOW GRANTS FOR 'john'@'localhost';<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\uff083\uff09\u64a4\u9500\u6743\u9650<\/h3>\n\n\n\n<p>\u4f7f\u7528 <code>REVOKE<\/code> \u547d\u4ee4\u64a4\u9500\u6743\u9650\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u57fa\u672c\u8bed\u6cd5<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>REVOKE privilege1, privilege2 ON database_name.table_name FROM 'username'@'hostname';<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u64a4\u9500 <code>SELECT<\/code> \u6743\u9650\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  REVOKE SELECT ON my_database.* FROM 'john'@'localhost';<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. \u7528\u6237\u5bc6\u7801\u7b56\u7565<\/strong><\/h2>\n\n\n\n<p>MySQL \u63d0\u4f9b\u5bc6\u7801\u7b56\u7565\u529f\u80fd\uff0c\u7528\u4e8e\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uff081\uff09\u8bbe\u7f6e\u5bc6\u7801\u7b56\u7565<\/h3>\n\n\n\n<p>\u4fee\u6539\u5168\u5c40\u53d8\u91cf <code>validate_password.policy<\/code>\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bed\u6cd5<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  SET GLOBAL validate_password.policy = value;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>LOW<\/code>\uff1a\u81f3\u5c11 8 \u4e2a\u5b57\u7b26\u3002<\/li>\n\n\n\n<li><code>MEDIUM<\/code>\uff1a\u9700\u8981\u5305\u542b\u6570\u5b57\u3001\u5927\u5199\u5b57\u6bcd\u3001\u5c0f\u5199\u5b57\u6bcd\u548c\u7279\u6b8a\u5b57\u7b26\u3002<\/li>\n\n\n\n<li><code>STRONG<\/code>\uff1a\u9700\u8981\u7b26\u5408 MEDIUM\uff0c\u5e76\u5305\u542b\u81f3\u5c11 1 \u4e2a\u6570\u5b57\u548c\u7279\u6b8a\u5b57\u7b26\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b<\/h4>\n\n\n\n<p>\u8bbe\u7f6e\u4e3a\u4e2d\u7b49\u5f3a\u5ea6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SET GLOBAL validate_password.policy = MEDIUM;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\uff082\uff09\u8bbe\u7f6e\u5bc6\u7801\u957f\u5ea6<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>SET GLOBAL validate_password.length = 12;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. \u7528\u6237\u8d26\u6237\u9501\u5b9a\u4e0e\u89e3\u9501<\/strong><\/h2>\n\n\n\n<p>MySQL \u652f\u6301\u9501\u5b9a\u548c\u89e3\u9501\u8d26\u6237\u4ee5\u589e\u5f3a\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9501\u5b9a\u8d26\u6237<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  ALTER USER 'username'@'hostname' ACCOUNT LOCK;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u89e3\u9501\u8d26\u6237<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  ALTER USER 'username'@'hostname' ACCOUNT UNLOCK;<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\u793a\u4f8b<\/h4>\n\n\n\n<p>\u9501\u5b9a <code>john<\/code> \u7528\u6237\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ALTER USER 'john'@'localhost' ACCOUNT LOCK;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>8. \u7528\u6237\u7ba1\u7406\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u95ee\u9898 1\uff1a\u521b\u5efa\u7528\u6237\u5931\u8d25<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u539f\u56e0<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u524d\u8d26\u6237\u6ca1\u6709\u6743\u9650\u521b\u5efa\u7528\u6237\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u89e3\u51b3\u65b9\u6cd5<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528 <code>root<\/code> \u7528\u6237\u521b\u5efa\u8d26\u6237\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u95ee\u9898 2\uff1a\u65e0\u6cd5\u767b\u5f55 MySQL<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u539f\u56e0<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u673a\u540d\u4e0d\u5339\u914d\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u89e3\u51b3\u65b9\u6cd5<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u68c0\u67e5\u7528\u6237\u4e3b\u673a\u540d\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u95ee\u9898 3\uff1a\u7528\u6237\u5bc6\u7801\u5fd8\u8bb0<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u89e3\u51b3\u65b9\u6cd5<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ee5 <code>root<\/code> \u8eab\u4efd\u4fee\u6539\u5bc6\u7801\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  ALTER USER 'username'@'hostname' IDENTIFIED BY 'new_password';<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u901a\u8fc7\u4e0a\u8ff0\u5185\u5bb9\uff0c\u4f60\u53ef\u4ee5\u7075\u6d3b\u521b\u5efa\u3001\u4fee\u6539\u3001\u7ba1\u7406\u548c\u5220\u9664 MySQL \u7528\u6237\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u7684\u5b89\u5168\u6027\u548c\u6743\u9650\u63a7\u5236\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u4e3a\u5173\u4e8e\u8bbe\u7f6emysql\u7528\u6237\u540d\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u66f4\u591a\u4fe1\u606f\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 MySQL \u4e2d\uff0c\u7528\u6237\u540d\u7684\u8bbe\u7f6e\u4e0e\u7ba1\u7406\u975e\u5e38\u91cd\u8981\u3002\u4e0b\u9762\u662f\u5bf9\u5176\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5305\u62ec\u521b\u5efa\u3001\u4fee\u6539\u3001\u5220\u9664\u7528\u6237\uff0c\u4ee5\u53ca\u7528\u6237\u6743\u9650\u7ba1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-168","post","type-post","status-publish","format-standard","hentry","category-mysql"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=168"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/168\/revisions"}],"predecessor-version":[{"id":169,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/168\/revisions\/169"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}