{"id":38710,"date":"2023-12-11T14:45:16","date_gmt":"2023-12-11T06:45:16","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=38710"},"modified":"2023-12-11T14:45:16","modified_gmt":"2023-12-11T06:45:16","slug":"%e8%af%b7%e4%bd%a0%e4%bb%8b%e7%bb%8d%e4%b8%80%e4%b8%8b%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84%e9%9a%94%e7%a6%bb%e7%ba%a7%e5%88%ab","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e8%af%b7%e4%bd%a0%e4%bb%8b%e7%bb%8d%e4%b8%80%e4%b8%8b%e6%95%b0%e6%8d%ae%e5%ba%93%e7%9a%84%e9%9a%94%e7%a6%bb%e7%ba%a7%e5%88%ab\/","title":{"rendered":"\u8bf7\u4f60\u4ecb\u7ecd\u4e00\u4e0b\u6570\u636e\u5e93\u7684\u9694\u79bb\u7ea7\u522b"},"content":{"rendered":"

“`” \u8003\u5bdf\u70b9\uff1a\u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b<\/p>\n

\u00a0<\/p>\n

<figure><table>
\n<thead>
\n<tr><th>\u9694\u79bb\u7ea7\u522b<\/th><th>\u810f\u8bfb\uff08Dirty Read\uff09<\/th><th>\u4e0d\u53ef\u91cd\u590d\u8bfb\uff08NonRepeatable Read\uff09<\/th><th>\u5e7b\u8bfb\uff08Phantom Read\uff09<\/th><\/tr><\/thead>
\n<tbody><tr><td>\u672a\u63d0\u4ea4\u8bfb\uff08Read uncommitted\uff09<\/td><td>\u53ef\u80fd<\/td><td>\u53ef\u80fd<\/td><td>\u53ef\u80fd<\/td><\/tr><tr><td>\u5df2\u63d0\u4ea4\u8bfb\uff08Read committed\uff09<\/td><td>\u4e0d\u53ef\u80fd<\/td><td>\u53ef\u80fd<\/td><td>\u53ef\u80fd<\/td><\/tr><tr><td>\u53ef\u91cd\u590d\u8bfb\uff08Repeatable read\uff09<\/td><td>\u4e0d\u53ef\u80fd<\/td><td>\u4e0d\u53ef\u80fd<\/td><td>\u53ef\u80fd<\/td><\/tr><tr><td>\u53ef\u4e32\u884c\u5316\uff08Serializable \uff09<\/td><td>\u4e0d\u53ef\u80fd<\/td><td>\u4e0d\u53ef\u80fd<\/td><td>\u4e0d\u53ef\u80fd<\/td><\/tr><\/tbody>
\n<\/table><\/figure><\/p>\n

\u672a\u63d0\u4ea4\u8bfb(Read Uncommitted)\uff1a\u5141\u8bb8\u810f\u8bfb\uff0c\u4e5f\u5c31\u662f\u53ef\u80fd\u8bfb\u53d6\u5230\u5176\u4ed6\u4f1a\u8bdd\u4e2d\u672a\u63d0\u4ea4\u4e8b\u52a1\u4fee\u6539\u7684\u6570\u636e\u3002<\/p>\n

\u63d0\u4ea4\u8bfb(Read Committed)\uff1a\u53ea\u80fd\u8bfb\u53d6\u5230\u5df2\u7ecf\u63d0\u4ea4\u7684\u6570\u636e\u3002Oracle\u7b49\u591a\u6570\u6570\u636e\u5e93\u9ed8\u8ba4\u90fd\u662f\u8be5\u7ea7\u522b (\u4e0d\u91cd\u590d\u8bfb)\u3002<\/p>\n

\u53ef\u91cd\u590d\u8bfb(Repeated Read)\uff1a\u53ef\u91cd\u590d\u8bfb\u3002\u5728\u540c\u4e00\u4e2a\u4e8b\u52a1\u5185\u7684\u67e5\u8be2\u90fd\u662f\u4e8b\u52a1\u5f00\u59cb\u65f6\u523b\u4e00\u81f4\u7684\uff0cInnoDB\u9ed8\u8ba4\u7ea7\u522b\u3002\u5728SQL\u6807\u51c6\u4e2d\uff0c\u8be5\u9694\u79bb\u7ea7\u522b\u6d88\u9664\u4e86\u4e0d\u53ef\u91cd\u590d\u8bfb\uff0c\u4f46\u662f\u8fd8\u5b58\u5728\u5e7b\u8c61\u8bfb\u3002<\/p>\n

\u4e32\u884c\u8bfb(Serializable)\uff1a\u5b8c\u5168\u4e32\u884c\u5316\u7684\u8bfb\uff0c\u6bcf\u6b21\u8bfb\u90fd\u9700\u8981\u83b7\u5f97\u8868\u7ea7\u5171\u4eab\u9501\uff0c\u8bfb\u5199\u76f8\u4e92\u90fd\u4f1a\u963b\u585e\u3002<\/p>\n

<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"

“`” \u8003\u5bdf\u70b9\uff1a\u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b \u00a0 <figure><table&g […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-38710","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38710","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=38710"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38710\/revisions"}],"predecessor-version":[{"id":38711,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/38710\/revisions\/38711"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=38710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=38710"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=38710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}