{"id":1750,"date":"2025-02-17T23:56:09","date_gmt":"2025-02-17T15:56:09","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1750"},"modified":"2025-02-17T23:56:09","modified_gmt":"2025-02-17T15:56:09","slug":"mysql%e7%ae%a1%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/17\/mysql%e7%ae%a1%e7%90%86\/","title":{"rendered":"MySQL\u7ba1\u7406"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u8ba9\u6211\u4eec\u4e00\u6b65\u6b65\u6df1\u5165\u5b66\u4e60 MySQL \u7ba1\u7406\uff0c\u9644\u5e26\u5b9e\u4f8b\u66f4\u76f4\u89c2\u7684\u4e86\u89e3\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>\u4e0d\u540c\u7cfb\u7edf\u4e0b\u542f\u52a8\u53ca\u5173\u95ed MySQL \u670d\u52a1\u5668<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Linux \u7cfb\u7edf<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u542f\u52a8 MySQL \u670d\u52a1\u5668<\/strong>\uff1a<br>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8 MySQL \u670d\u52a1\u5668\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  sudo systemctl start mysqld<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216\u8005\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>  sudo service mysqld start<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u505c\u6b62 MySQL \u670d\u52a1\u5668<\/strong>\uff1a<br>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u505c\u6b62 MySQL \u670d\u52a1\u5668\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  sudo systemctl stop mysqld<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216\u8005\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>  sudo service mysqld stop<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u91cd\u542f MySQL \u670d\u52a1\u5668<\/strong>\uff1a<br>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u542f MySQL \u670d\u52a1\u5668\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  sudo systemctl restart mysqld<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216\u8005\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>  sudo service mysqld restart<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u67e5\u770b MySQL \u670d\u52a1\u5668\u72b6\u6001<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  sudo systemctl status mysqld<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6216\u8005\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>  sudo service mysqld status<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Windows \u7cfb\u7edf<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u542f\u52a8 MySQL \u670d\u52a1\u5668<\/strong>\uff1a<br>\u901a\u8fc7 Windows \u670d\u52a1\u7ba1\u7406\u5668\u542f\u52a8 MySQL \u670d\u52a1\uff0c\u6216\u8005\u4f7f\u7528\u547d\u4ee4\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  net start mysql<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u505c\u6b62 MySQL \u670d\u52a1\u5668<\/strong>\uff1a<br>\u4f7f\u7528\u547d\u4ee4\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  net stop mysql<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u91cd\u542f MySQL \u670d\u52a1\u5668<\/strong>\uff1a<br>\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  net stop mysql\n  net start mysql<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>MySQL \u7528\u6237\u8bbe\u7f6e<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u521b\u5efa\u7528\u6237<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u4f7f\u7528 <code>CREATE USER<\/code> \u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 MySQL \u7528\u6237\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE USER 'username'@'host' IDENTIFIED BY 'password';<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>username<\/code>\uff1a\u7528\u6237\u540d<\/li>\n\n\n\n<li><code>host<\/code>\uff1a\u53ef\u4ee5\u662f IP \u5730\u5740\u6216\u8005 <code>%<\/code>\uff08\u8868\u793a\u4efb\u4f55\u4e3b\u673a\uff09<\/li>\n\n\n\n<li><code>password<\/code>\uff1a\u7528\u6237\u5bc6\u7801<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE USER 'test_user'@'localhost' IDENTIFIED BY 'password123';<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u6388\u4e88\u6743\u9650<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528 <code>GRANT<\/code> \u547d\u4ee4\u4e3a\u7528\u6237\u6388\u4e88\u6743\u9650\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>GRANT ALL PRIVILEGES ON database_name.* TO 'username'@'host';<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>ALL PRIVILEGES<\/code>\uff1a\u6388\u4e88\u6240\u6709\u6743\u9650<\/li>\n\n\n\n<li><code>database_name.*<\/code>\uff1a\u8868\u793a\u5bf9\u6307\u5b9a\u6570\u636e\u5e93\u7684\u6240\u6709\u8868\u683c\u90fd\u6388\u4e88\u6743\u9650<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>GRANT ALL PRIVILEGES ON my_database.* TO 'test_user'@'localhost';<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u67e5\u770b\u7528\u6237\u6743\u9650<\/strong><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>SHOW GRANTS FOR 'test_user'@'localhost';<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u64a4\u9500\u6743\u9650<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528 <code>REVOKE<\/code> \u547d\u4ee4\u64a4\u9500\u7528\u6237\u6743\u9650\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>REVOKE ALL PRIVILEGES ON my_database.* FROM 'test_user'@'localhost';<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5220\u9664\u7528\u6237<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528 <code>DROP USER<\/code> \u547d\u4ee4\u5220\u9664\u7528\u6237\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>DROP USER 'test_user'@'localhost';<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>\/etc\/my.cnf \u6587\u4ef6\u914d\u7f6e<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>my.cnf<\/code> \u6216 <code>my.ini<\/code> \u662f MySQL \u7684\u4e3b\u914d\u7f6e\u6587\u4ef6\uff0c\u4f4d\u4e8e <code>\/etc\/<\/code> \u6216 <code>\/etc\/mysql\/<\/code> \u76ee\u5f55\u4e0b\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u6b64\u6587\u4ef6\u6765\u8c03\u6574 MySQL \u7684\u5404\u79cd\u914d\u7f6e\u9009\u9879\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5e38\u89c1\u914d\u7f6e\u9009\u9879<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6570\u636e\u5b58\u50a8\u8def\u5f84<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  &#91;mysqld]\n  datadir=\/var\/lib\/mysql<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u65e5\u5fd7\u6587\u4ef6\u4f4d\u7f6e<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  &#91;mysqld]\n  log_error=\/var\/log\/mysql\/error.log<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9ed8\u8ba4\u5b57\u7b26\u96c6<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  &#91;mysqld]\n  character-set-server=utf8<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6700\u5927\u8fde\u63a5\u6570<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  &#91;mysqld]\n  max_connections=200<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>InnoDB \u914d\u7f6e<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  &#91;mysqld]\n  innodb_buffer_pool_size=1G\n  innodb_log_file_size=256M\n  innodb_file_per_table=1<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u67e5\u8be2\u7f13\u5b58<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  &#91;mysqld]\n  query_cache_size=32M\n  query_cache_type=1<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u8bb0\u5f97\u91cd\u542f MySQL \u670d\u52a1\u4ee5\u4f7f\u914d\u7f6e\u751f\u6548\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>\u7ba1\u7406 MySQL \u7684\u547d\u4ee4<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u67e5\u770b\u5f53\u524d\u6570\u636e\u5e93<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  SELECT DATABASE();<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u67e5\u770b\u6240\u6709\u6570\u636e\u5e93<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  SHOW DATABASES;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u521b\u5efa\u6570\u636e\u5e93<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  CREATE DATABASE database_name;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9009\u62e9\u6570\u636e\u5e93<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  USE database_name;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u67e5\u770b\u5f53\u524d\u7528\u6237<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  SELECT USER();<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u67e5\u770b\u6240\u6709\u7528\u6237<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  SELECT user, host FROM mysql.user;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u67e5\u770b\u5f53\u524d\u8fde\u63a5<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  SHOW PROCESSLIST;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u67e5\u770b\u6570\u636e\u5e93\u8868<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  SHOW TABLES;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u67e5\u770b\u8868\u7ed3\u6784<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  DESCRIBE table_name;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5bfc\u51fa\u6570\u636e\u5e93<\/strong>\uff08\u4f7f\u7528 <code>mysqldump<\/code>\uff09\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  mysqldump -u username -p database_name &gt; backup.sql<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5bfc\u5165\u6570\u636e\u5e93<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  mysql -u username -p database_name &lt; backup.sql<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e9b\u547d\u4ee4\u662f MySQL \u7ba1\u7406\u4e2d\u6700\u5e38\u7528\u7684\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u8fdb\u884c\u6570\u636e\u5e93\u548c\u7528\u6237\u7ba1\u7406\u3001\u67e5\u770b\u548c\u5bfc\u5165\u5bfc\u51fa\u6570\u636e\u7b49\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u914d\u7f6e\u6587\u4ef6\u548c\u547d\u4ee4\u6267\u884c\u7684\u7ec6\u8282\uff0c\u4ee5\u6ee1\u8db3\u5b9e\u9645\u7684\u5e94\u7528\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8ba9\u6211\u4eec\u4e00\u6b65\u6b65\u6df1\u5165\u5b66\u4e60 MySQL \u7ba1\u7406\uff0c\u9644\u5e26\u5b9e\u4f8b\u66f4\u76f4\u89c2\u7684\u4e86\u89e3\u3002 1. \u4e0d\u540c\u7cfb\u7edf\u4e0b\u542f\u52a8\u53ca\u5173\u95ed MySQL \u670d\u52a1\u5668 [&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-1750","post","type-post","status-publish","format-standard","hentry","category-mysql"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1750","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=1750"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1750\/revisions"}],"predecessor-version":[{"id":1751,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1750\/revisions\/1751"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1750"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1750"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}