{"id":76328,"date":"2024-10-16T05:45:18","date_gmt":"2024-10-15T21:45:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76328\/"},"modified":"2024-10-16T05:45:18","modified_gmt":"2024-10-15T21:45:18","slug":"mysql%e4%ba%8b%e5%8b%99%e5%b7%b2%e6%8f%90%e4%ba%a4%ef%bc%8c%e6%95%b8%e6%93%9a%e5%8d%bb%e4%b8%9f%e4%ba%86%ef%bc%8c%e8%b6%95%e7%b7%8a%e6%aa%a2%e6%9f%a5%e4%b8%8b%e9%80%99%e5%80%8b%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76328\/","title":{"rendered":"MySQL\u4e8b\u52d9\u5df2\u63d0\u4ea4\uff0c\u6578\u64da\u537b\u4e1f\u4e86\uff0c\u8d95\u7dca\u6aa2\u67e5\u4e0b\u9019\u500b\u914d\u7f6e\uff01\uff01\uff01"},"content":{"rendered":"<h1 id=\"mysql%e4%ba%8b%e5%8b%99%e5%b7%b2%e6%8f%90%e4%ba%a4%ef%bc%8c%e6%95%b8%e6%93%9a%e5%8d%bb%e4%b8%9f%e4%ba%86%ef%bc%8c%e8%b6%95%e7%b7%8a%e6%aa%a2%e6%9f%a5%e4%b8%8b%e9%80%99%e5%80%8b%e9%85%8d%e7%bd%ae-lZjfashvUQ\">MySQL\u4e8b\u52d9\u5df2\u63d0\u4ea4\uff0c\u6578\u64da\u537b\u4e1f\u4e86\uff0c\u8d95\u7dca\u6aa2\u67e5\u4e0b\u9019\u500b\u914d\u7f6e\uff01\uff01\uff01<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u8a31\u591a\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4e00\u500b\u4ee4\u4eba\u56f0\u60d1\u7684\u554f\u984c\uff1a\u660e\u660e\u5df2\u7d93\u63d0\u4ea4\u4e86\u4e8b\u52d9\uff0c\u537b\u767c\u73fe\u6578\u64da\u4e1f\u5931\u4e86\u3002\u9019\u7a2e\u60c5\u6cc1\u4e0d\u50c5\u5f71\u97ff\u4e86\u61c9\u7528\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u7684\u5b8c\u6574\u6027\u53d7\u5230\u5a01\u8105\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u53ef\u80fd\u5c0e\u81f4\u9019\u4e00\u554f\u984c\u7684\u539f\u56e0\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u6aa2\u67e5\u548c\u4fee\u6b63\u76f8\u95dc\u914d\u7f6e\u3002<\/p>\n<h2 id=\"mysql%e4%ba%8b%e5%8b%99%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-lZjfashvUQ\">MySQL\u4e8b\u52d9\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728\u6df1\u5165\u554f\u984c\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u4e86\u89e3MySQL\u4e8b\u52d9\u7684\u57fa\u672c\u6982\u5ff5\u3002\u4e8b\u52d9\u662f\u4e00\u7d44\u64cd\u4f5c\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002MySQL\u652f\u6301ACID\u7279\u6027\uff0c\u5373\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u9694\u96e2\u6027\u548c\u6301\u4e45\u6027\uff0c\u9019\u4e9b\u7279\u6027\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u53ef\u9760\u6027\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e4%b8%9f%e5%a4%b1%e7%9a%84%e5%8f%af%e8%83%bd%e5%8e%9f%e5%9b%a0-lZjfashvUQ\">\u6578\u64da\u4e1f\u5931\u7684\u53ef\u80fd\u539f\u56e0<\/h2>\n<p>\u7576\u60a8\u9047\u5230\u4e8b\u52d9\u5df2\u63d0\u4ea4\u4f46\u6578\u64da\u537b\u4e1f\u5931\u7684\u60c5\u6cc1\u6642\uff0c\u53ef\u80fd\u7684\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225\u8a2d\u5b9a\u4e0d\u7576\uff1a<\/strong>MySQL\u652f\u6301\u591a\u7a2e\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225\uff0c\u5982READ UNCOMMITTED\u3001READ COMMITTED\u3001REPEATABLE READ\u548cSERIALIZABLE\u3002\u82e5\u9694\u96e2\u7d1a\u5225\u8a2d\u5b9a\u4e0d\u7576\uff0c\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5728\u4e8b\u52d9\u63d0\u4ea4\u5f8c\u4ecd\u7136\u7121\u6cd5\u6b63\u78ba\u8b80\u53d6\u3002<\/li>\n<li><strong>\u672a\u6b63\u78ba\u914d\u7f6e\u4e8c\u9032\u5236\u65e5\u8a8c\uff1a<\/strong>\u4e8c\u9032\u5236\u65e5\u8a8c\uff08binary log\uff09\u662fMySQL\u7528\u65bc\u8a18\u9304\u6240\u6709\u66f4\u6539\u6578\u64da\u7684\u64cd\u4f5c\u3002\u5982\u679c\u672a\u6b63\u78ba\u914d\u7f6e\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li><strong>\u4f7f\u7528\u4e86\u4e0d\u652f\u6301\u4e8b\u52d9\u7684\u5b58\u5132\u5f15\u64ce\uff1a<\/strong>\u67d0\u4e9b\u5b58\u5132\u5f15\u64ce\uff08\u5982MyISAM\uff09\u4e0d\u652f\u6301\u4e8b\u52d9\u3002\u5982\u679c\u60a8\u5728\u9019\u4e9b\u5f15\u64ce\u4e0a\u9032\u884c\u64cd\u4f5c\uff0c\u5247\u7121\u6cd5\u4fdd\u8b49\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f\u932f\u8aa4\uff1a<\/strong>\u6709\u6642\u5019\uff0c\u6578\u64da\u4e1f\u5931\u7684\u539f\u56e0\u53ef\u80fd\u662f\u61c9\u7528\u7a0b\u5e8f\u672c\u8eab\u7684\u908f\u8f2f\u932f\u8aa4\uff0c\u5c0e\u81f4\u6578\u64da\u672a\u80fd\u6b63\u78ba\u5beb\u5165\u6578\u64da\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e5%92%8c%e4%bf%ae%e6%ad%a3%e9%85%8d%e7%bd%ae-lZjfashvUQ\">\u6aa2\u67e5\u548c\u4fee\u6b63\u914d\u7f6e<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a\u4e0a\u8ff0\u554f\u984c\uff0c\u60a8\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u6aa2\u67e5\u548c\u4fee\u6b63\u914d\u7f6e\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e4%ba%8b%e5%8b%99%e9%9a%94%e9%9b%a2%e7%b4%9a%e5%88%a5-lZjfashvUQ\">1. \u6aa2\u67e5\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225<\/h3>\n<pre><code>SHOW VARIABLES LIKE 'tx_isolation';<\/code><\/pre>\n<p>\u4f7f\u7528\u4e0a\u8ff0\u547d\u4ee4\u6aa2\u67e5\u7576\u524d\u7684\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225\u3002\u6839\u64da\u60a8\u7684\u9700\u6c42\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u9069\u5408\u7684\u9694\u96e2\u7d1a\u5225\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;<\/code><\/pre>\n<h3 id=\"2-%e9%85%8d%e7%bd%ae%e4%ba%8c%e9%80%b2%e5%88%b6%e6%97%a5%e8%aa%8c-lZjfashvUQ\">2. \u914d\u7f6e\u4e8c\u9032\u5236\u65e5\u8a8c<\/h3>\n<p>\u78ba\u4fdd\u4e8c\u9032\u5236\u65e5\u8a8c\u5df2\u555f\u7528\u3002\u60a8\u53ef\u4ee5\u5728MySQL\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>log_bin = mysql-bin<\/code><\/pre>\n<p>\u7136\u5f8c\u91cd\u555fMySQL\u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n<h3 id=\"3-%e7%a2%ba%e8%aa%8d%e5%ad%98%e5%84%b2%e5%bc%95%e6%93%8e-lZjfashvUQ\">3. \u78ba\u8a8d\u5b58\u5132\u5f15\u64ce<\/h3>\n<p>\u6aa2\u67e5\u60a8\u4f7f\u7528\u7684\u8868\u7684\u5b58\u5132\u5f15\u64ce\uff0c\u78ba\u4fdd\u4f7f\u7528\u652f\u6301\u4e8b\u52d9\u7684\u5f15\u64ce\uff0c\u5982InnoDB\uff1a<\/p>\n<pre><code>SHOW TABLE STATUS WHERE Name = 'your_table_name';<\/code><\/pre>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e9%82%8f%e8%bc%af-lZjfashvUQ\">4. \u6aa2\u67e5\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f<\/h3>\n<p>\u6700\u5f8c\uff0c\u4ed4\u7d30\u6aa2\u67e5\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f\uff0c\u78ba\u4fdd\u5728\u63d0\u4ea4\u4e8b\u52d9\u4e4b\u524d\uff0c\u6240\u6709\u5fc5\u8981\u7684\u64cd\u4f5c\u90fd\u5df2\u6b63\u78ba\u57f7\u884c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lZjfashvUQ\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u4e8b\u52d9\u5df2\u63d0\u4ea4\u537b\u6578\u64da\u4e1f\u5931\u7684\u554f\u984c\u53ef\u80fd\u7531\u591a\u7a2e\u56e0\u7d20\u5f15\u8d77\uff0c\u5305\u62ec\u4e8b\u52d9\u9694\u96e2\u7d1a\u5225\u8a2d\u5b9a\u4e0d\u7576\u3001\u4e8c\u9032\u5236\u65e5\u8a8c\u914d\u7f6e\u932f\u8aa4\u3001\u4f7f\u7528\u4e0d\u652f\u6301\u4e8b\u52d9\u7684\u5b58\u5132\u5f15\u64ce\u4ee5\u53ca\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f\u932f\u8aa4\u3002\u901a\u904e\u6aa2\u67e5\u548c\u4fee\u6b63\u9019\u4e9b\u914d\u7f6e\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u6578\u64da\u4e1f\u5931\u7684\u98a8\u96aa\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u4e8b\u52d9\u5df2\u63d0\u4ea4\u537b\u6578\u64da\u4e1f\u5931\uff1f\u6aa2\u67e5\u9019\u500b\u914d\u7f6e\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\uff0c\u907f\u514d\u672a\u4f86\u7684\u640d\u5931\uff01<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-76328","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76328","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=76328"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76328\/revisions"}],"predecessor-version":[{"id":76329,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76328\/revisions\/76329"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76328"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}