{"id":3713,"date":"2025-05-18T22:51:26","date_gmt":"2025-05-18T14:51:26","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3713"},"modified":"2025-05-18T22:51:26","modified_gmt":"2025-05-18T14:51:26","slug":"%e6%9f%a5%e8%af%a2-mysql-%e4%b8%ad%e7%9a%84%e8%a7%86%e5%9b%be","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/05\/18\/%e6%9f%a5%e8%af%a2-mysql-%e4%b8%ad%e7%9a%84%e8%a7%86%e5%9b%be\/","title":{"rendered":"\u67e5\u8be2 MySQL \u4e2d\u7684\u89c6\u56fe"},"content":{"rendered":"\n<p>\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u89c6\u56fe\u4fe1\u606f\uff1a<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u4f7f\u7528 <code>SHOW FULL TABLES<\/code> \u67e5\u8be2\u89c6\u56fe<\/strong><\/h3>\n\n\n\n<p>\u8fd9\u662f\u6700\u7b80\u5355\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5feb\u901f\u67e5\u770b\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u89c6\u56fe\u548c\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-- \u663e\u793a\u5f53\u524d\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u89c6\u56fe\u548c\u8868\nSHOW FULL TABLES WHERE Table_type = 'VIEW';<\/code><\/pre>\n\n\n\n<p><strong>\u793a\u4f8b\u8f93\u51fa<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tables_in_your_database<\/th><th>Table_type<\/th><\/tr><\/thead><tbody><tr><td>my_view<\/td><td>VIEW<\/td><\/tr><tr><td>another_view<\/td><td>VIEW<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \u4f7f\u7528 <code>INFORMATION_SCHEMA.VIEWS<\/code> \u67e5\u8be2\u89c6\u56fe<\/strong><\/h3>\n\n\n\n<p>MySQL \u63d0\u4f9b\u4e86 <code>INFORMATION_SCHEMA.VIEWS<\/code> \u7cfb\u7edf\u89c6\u56fe\uff0c\u53ef\u4ee5\u83b7\u53d6\u89c6\u56fe\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5305\u62ec\u5b9a\u4e49\u548c\u6743\u9650\u7b49\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-- \u67e5\u8be2\u6240\u6709\u89c6\u56fe\u7684\u57fa\u672c\u4fe1\u606f\nSELECT TABLE_NAME, \n       VIEW_DEFINITION, \n       CHECK_OPTION, \n       IS_UPDATABLE, \n       SECURITY_TYPE \nFROM INFORMATION_SCHEMA.VIEWS \nWHERE TABLE_SCHEMA = 'your_database_name';<\/code><\/pre>\n\n\n\n<p><strong>\u793a\u4f8b\u8f93\u51fa<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>TABLE_NAME<\/th><th>VIEW_DEFINITION<\/th><th>CHECK_OPTION<\/th><th>IS_UPDATABLE<\/th><th>SECURITY_TYPE<\/th><\/tr><\/thead><tbody><tr><td>my_view<\/td><td>SELECT * FROM my_table<\/td><td>NONE<\/td><td>YES<\/td><td>DEFINER<\/td><\/tr><tr><td>another_view<\/td><td>SELECT name, age FROM employees<\/td><td>CASCADED<\/td><td>NO<\/td><td>INVOKER<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>TABLE_NAME<\/strong>\uff1a\u89c6\u56fe\u540d\u79f0<\/li>\n\n\n\n<li><strong>VIEW_DEFINITION<\/strong>\uff1a\u89c6\u56fe\u7684\u5b9a\u4e49 SQL \u8bed\u53e5<\/li>\n\n\n\n<li><strong>CHECK_OPTION<\/strong>\uff1a\u89c6\u56fe\u68c0\u67e5\u9009\u9879\uff08NONE\u3001CASCADED \u6216 LOCAL\uff09<\/li>\n\n\n\n<li><strong>IS_UPDATABLE<\/strong>\uff1a\u89c6\u56fe\u662f\u5426\u53ef\u4ee5\u66f4\u65b0<\/li>\n\n\n\n<li><strong>SECURITY_TYPE<\/strong>\uff1a\u89c6\u56fe\u7684\u5b89\u5168\u7c7b\u578b\uff08DEFINER \u6216 INVOKER\uff09<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \u4f7f\u7528 <code>SHOW CREATE VIEW<\/code> \u67e5\u770b\u89c6\u56fe\u5b9a\u4e49<\/strong><\/h3>\n\n\n\n<p>\u5982\u679c\u4f60\u60f3\u67e5\u770b\u67d0\u4e2a\u5177\u4f53\u89c6\u56fe\u7684\u521b\u5efa SQL\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SHOW CREATE VIEW your_view_name;<\/code><\/pre>\n\n\n\n<p><strong>\u793a\u4f8b\u8f93\u51fa<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE VIEW your_view_name AS\nSELECT column1, column2 FROM your_table\nWHERE condition;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. \u4f7f\u7528 <code>DESCRIBE<\/code> \u6216 <code>EXPLAIN<\/code><\/strong><\/h3>\n\n\n\n<p>\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>DESCRIBE<\/code> \u6216 <code>EXPLAIN<\/code> \u67e5\u770b\u89c6\u56fe\u7684\u5217\u5b9a\u4e49\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>DESCRIBE your_view_name;<\/code><\/pre>\n\n\n\n<p>\u6216\u8005<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>EXPLAIN SELECT * FROM your_view_name;<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. \u4f7f\u7528 <code>mysql<\/code> \u547d\u4ee4\u884c\u5de5\u5177\u67e5\u770b\u89c6\u56fe<\/strong><\/h3>\n\n\n\n<p>\u5982\u679c\u4f60\u5728 MySQL \u547d\u4ee4\u884c\u5de5\u5177\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>USE your_database_name;\nSHOW TABLE STATUS WHERE Comment = 'VIEW';<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. \u5176\u4ed6\u5b9e\u7528\u6280\u5de7<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7edf\u8ba1\u89c6\u56fe\u6570\u91cf<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  SELECT COUNT(*) \n  FROM INFORMATION_SCHEMA.VIEWS \n  WHERE TABLE_SCHEMA = 'your_database_name';<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u67e5\u627e\u7279\u5b9a\u524d\u7f00\u7684\u89c6\u56fe<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  SELECT TABLE_NAME \n  FROM INFORMATION_SCHEMA.VIEWS \n  WHERE TABLE_SCHEMA = 'your_database_name' \n    AND TABLE_NAME LIKE 'prefix_%';<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u67e5\u8be2\u6570\u636e\u5e93\u4e2d\u7684\u89c6\u56fe\u4fe1\u606f\uff1a 1. \u4f7f\u7528 SHOW FULL TABLES [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3714,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-3713","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3713","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=3713"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3713\/revisions"}],"predecessor-version":[{"id":3715,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3713\/revisions\/3715"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3714"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3713"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}