{"id":84201,"date":"2020-05-15T20:19:48","date_gmt":"2020-05-15T12:19:48","guid":{"rendered":"http:\/\/4563.org\/?p=84201"},"modified":"2020-05-15T20:19:48","modified_gmt":"2020-05-15T12:19:48","slug":"mysql-%e6%9f%a5%e8%af%a2%e4%bc%9a%e5%8a%a0%e9%94%81%e5%bc%80%e5%90%af%e4%ba%8b%e5%8a%a1%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=84201","title":{"rendered":"mysql \u67e5\u8be2\u4f1a\u52a0\u9501\u5f00\u542f\u4e8b\u52a1\u5417\uff1f"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  mysql \u67e5\u8be2\u4f1a\u52a0\u9501\u5f00\u542f\u4e8b\u52a1\u5417\uff1f               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : noble4cc <\/span>  <span><i><\/i> 3<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u4e0d\u4e3b\u52a8\u52a0\u9501\u6bd4\u5982 for update \u4e5f\u4f1a\u5f00\u542f\u4e8b\u52a1\u5e76\u5bf9\u67e5\u8be2\u7684\u4e8b\u52a1\u52a0\u9501\u5417\uff1f<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>3<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"1496920\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : xizismile <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             mysql \u8bfb\u5206\u4e3a\u4e24\u79cd\uff0c\u9501\u8bfb\u548c\u4e00\u81f4\u6027\u8bfb<\/p>\n<p>\u9501\u8bfb\uff08\u5171\u4eab\u8bfb\uff08 select in share mode \uff09\u548c\u6392\u5b83\u8bfb\uff08 select for update \uff09\uff09\u4f1a\u52a0\u9501<br \/>\u4e00\u81f4\u6027\u8bfb\uff08\u666e\u901a\u7684\u90a3\u79cd\u8bfb\uff09\u4e0d\u52a0\u9501<\/p>\n<p>\u5f00\u542f\u8fd8\u662f\u4e0d\u5f00\u542f\u4e8b\u52a1\uff0c\u8fd9\u548c\u5e94\u7528\u7aef\u4e8b\u52a1\u8bbe\u7f6e\u4ee5\u53ca\u6570\u636e\u5e93\u4e8b\u52a1\u8bbe\u7f6e\u90fd\u6709\u5173\u7cfb                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1496921\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : gaius <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e8b\u52a1\u662f\u4e8b\u52a1\uff0c\u9501\u662f\u9501                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1496922\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : billlee <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e0d\u6267\u884c START TRANSACTION \u7684\u60c5\u51b5\u4e0b\uff0c\u662f\u5426\u5f00\u542f\u4e8b\u52a1\u7531\u8fde\u63a5\u7684 autocommit \u914d\u7f6e\u51b3\u5b9a\u3002<br \/>\u9ed8\u8ba4\u9694\u79bb\u7ea7\u522b\u4e0b\uff0c\u5f00\u542f\u4e8b\u52a1\u65f6\u6267\u884c\u5355\u7eaf\u7684 SELECT \u4e0d\u4f1a\u52a0\u9501\uff0c\u4f1a\u901a\u8fc7 MVCC \u5b9e\u73b0 Repeatable read                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>mysql \u67e5\u8be2\u4f1a\u52a0\u9501\u5f00\u542f\u4e8b\u52a1\u5417\uff1f&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/84201"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=84201"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/84201\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=84201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=84201"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=84201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}