{"id":120,"date":"2019-08-05T08:59:26","date_gmt":"2019-08-05T00:59:26","guid":{"rendered":"http:\/\/diuut.xyz\/?p=120"},"modified":"2019-08-05T08:59:26","modified_gmt":"2019-08-05T00:59:26","slug":"%e4%ba%8b%e5%8a%a1%e7%9a%84%e5%9b%9b%e5%a4%a7%e7%89%b9%e6%80%a7%e4%bb%a5%e5%8f%8a%e9%9a%94%e7%a6%bb%e7%ba%a7%e5%88%ab","status":"publish","type":"post","link":"https:\/\/diuut.com\/?p=120","title":{"rendered":"\u4e8b\u52a1\u7684\u56db\u5927\u7279\u6027\uff0c\u4ee5\u53ca\u9694\u79bb\u7ea7\u522b\uff08\u8f6c\uff09"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_66_1 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\">\u76ee\u5f55<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/diuut.com\/?p=120\/#%E6%95%B0%E6%8D%AE%E5%BA%93%E5%BF%85%E9%A1%BB%E5%85%B7%E5%A4%87%E7%9A%84%E5%9B%9B%E4%B8%AA%E7%89%B9%E6%80%A7\" title=\"\u6570\u636e\u5e93\u5fc5\u987b\u5177\u5907\u7684\u56db\u4e2a\u7279\u6027\">\u6570\u636e\u5e93\u5fc5\u987b\u5177\u5907\u7684\u56db\u4e2a\u7279\u6027<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/diuut.com\/?p=120\/#01%EF%BC%9A%E8%84%8F%E8%AF%BB\" title=\"01\uff1a\u810f\u8bfb \">01\uff1a\u810f\u8bfb <\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/diuut.com\/?p=120\/#02%EF%BC%9A%E4%B8%8D%E5%8F%AF%E9%87%8D%E5%A4%8D%E8%AF%BB\" title=\"02\uff1a\u4e0d\u53ef\u91cd\u590d\u8bfb\">02\uff1a\u4e0d\u53ef\u91cd\u590d\u8bfb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/diuut.com\/?p=120\/#03%EF%BC%9A%E5%B9%BB%E8%AF%BB%EF%BC%9A\" title=\"03\uff1a\u5e7b\u8bfb\uff1a\">03\uff1a\u5e7b\u8bfb\uff1a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/diuut.com\/?p=120\/#_%E6%95%B0%E6%8D%AE%E5%BA%93%E6%8F%90%E4%BE%9B%E7%9A%84%E5%9B%9B%E7%A7%8D%E9%9A%94%E7%A6%BB%E7%BA%A7%E5%88%AB%EF%BC%9A\" title=\"&nbsp; \u6570\u636e\u5e93\u63d0\u4f9b\u7684\u56db\u79cd\u9694\u79bb\u7ea7\u522b\uff1a\">&nbsp; \u6570\u636e\u5e93\u63d0\u4f9b\u7684\u56db\u79cd\u9694\u79bb\u7ea7\u522b\uff1a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/diuut.com\/?p=120\/#%E4%B8%8B%E9%9D%A2%E5%B0%B1%E5%9B%9B%E7%A7%8D%E9%9A%94%E7%A6%BB%E7%BA%A7%E5%88%AB%E8%BF%9B%E8%A1%8C%E5%9C%BA%E6%99%AF%E8%AE%BE%E8%AE%A1%EF%BC%9A\" title=\"\u4e0b\u9762\u5c31\u56db\u79cd\u9694\u79bb\u7ea7\u522b\u8fdb\u884c\u573a\u666f\u8bbe\u8ba1\uff1a\">\u4e0b\u9762\u5c31\u56db\u79cd\u9694\u79bb\u7ea7\u522b\u8fdb\u884c\u573a\u666f\u8bbe\u8ba1\uff1a<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"%E6%95%B0%E6%8D%AE%E5%BA%93%E5%BF%85%E9%A1%BB%E5%85%B7%E5%A4%87%E7%9A%84%E5%9B%9B%E4%B8%AA%E7%89%B9%E6%80%A7\"><\/span>\u6570\u636e\u5e93\u5fc5\u987b\u5177\u5907\u7684\u56db\u4e2a\u7279\u6027<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>1\uff1a\u539f\u5b50\u6027<\/strong>\uff1a\u4e8b\u52a1\u5305\u542b\u7684\u6240\u6709\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u56de\u6eda;\u6210\u529f\u5fc5\u987b\u8981\u5b8c\u5168\u5e94\u7528\u5230\u6570\u636e\u5e93\uff0c\u5931\u8d25\u5219\u4e0d\u80fd\u5bf9\u6570\u636e\u5e93\u4ea7\u751f\u5f71\u54cd\uff1b<\/p>\n\n\n\n<p><strong>2\uff1a\u4e00\u81f4\u6027<\/strong>\uff1a\u4e8b\u52a1\u6267\u884c\u524d\u548c\u6267\u884c\u540e\u5fc5\u987b\u5904\u4e8e\u4e00\u81f4\u6027\u72b6\u6001\uff0c<\/p>\n\n\n\n<p>\u4f8b\uff1a\u7528\u6237A\u548c\u7528\u6237B\u7684\u524d\u52a0\u8d77\u6765\u4e00\u5171\u662f5000; \u65e0\u8bbaAB\u7528\u6237\u4e4b\u95f4\u662f\u5982\u4f55\u76f8\u4e92\u8f6c\u6362\u7684\uff0c\u4e8b\u52a1\u7ed3\u675f\u540e\u4e24\u4e2a\u7528\u6237\u7684\u94b1\u52a0\u8d77\u6765\u8fd8\u662f5000,\u8fd9\u5c31\u662f\u4e8b\u52a1\u7684\u4e00\u81f4\u6027\u3002<\/p>\n\n\n\n<p><strong>3\uff1a\u9694\u79bb\u6027<\/strong>\uff1a\u5f53\u591a\u4e2a\u7528\u6237\u5e76\u53d1\u8bbf\u95ee\u6570\u636e\u5e93\u65f6\uff0c\u6570\u636e\u5e93\u4e3a\u6bcf\u4e00\u4e2a\u7528\u6237\u5f00\u542f\u7684\u4e8b\u52a1\uff0c\u4e0d\u88ab\u5176\u4ed6\u4e8b\u52a1\u7684\u64cd\u4f5c\u6240\u5e72\u6270\uff0c\u591a\u4e2a\u5e76\u53d1\u4e8b\u52a1\u4e4b\u95f4\u8981\u76f8\u4e92\u9694\u79bb\uff1b<\/p>\n\n\n\n<p><strong>4\uff1a\u6301\u4e45\u6027<\/strong>\uff1a\u4e00\u4e2a\u4e8b\u52a1\u4e00\u65e6\u88ab\u63d0\u4ea4\u4e86\uff0c\u90a3\u4e48\u5bf9\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u7684\u6539\u53d8\u5c31\u662f\u6c38\u4e45\u6027\u7684\uff0c\u5373\u4fbf\u5728\u6570\u636e\u5e93\u7cfb\u7edf\u9047\u5230\u6545\u969c\u7684\u60c5\u51b5\u4e0b\u4e5f\u4e0d\u4f1a\u4e22\u5931\u4e8b\u7269\u7684\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p style=\"text-align:left\"><em>\u9694\u79bb\u6027<\/em>\uff1a\u5f53\u591a\u4e2a\u7ebf\u7a0b\u90fd\u5f00\u542f\u4e8b\u52a1\u6765\u64cd\u4f5c\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u65f6\uff0c\u6570\u636e\u5e93\u7cfb\u7edf\u8981\u8fdb\u884c\u9694\u79bb\u64cd\u4f5c\uff0c\u4ee5\u4fdd\u8bc1\u5404\u4e2a\u7ebf\u7a0b\u83b7\u53d6\u6570\u636e\u7684\u51c6\u786e\u6027\u3002 \u4e0d\u8003\u8651\u4e8b\u52a1\u7684\u9694\u79bb\u6027\uff0c\u4f1a\u4ea7\u751f\u7684\u51e0\u79cd\u95ee\u9898\uff1a<\/p>\n\n\n\n<h4><span class=\"ez-toc-section\" id=\"01%EF%BC%9A%E8%84%8F%E8%AF%BB\"><\/span>01\uff1a\u810f\u8bfb<br><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u662f\u6307\u4e00\u4e2a\u4e8b\u52a1\u5904\u7406\u8fc7\u7a0b\u91cc\u8bfb\u53d6\u4e86\u53e6\u4e00\u4e2a\u672a\u63d0\u4ea4\u7684\u4e8b\u52a1\u4e2d\u7684\u6570\u636e\uff0c\u7136\u540e\u4f7f\u7528\u4e86\u8fd9\u4e2a\u6570\u636e\uff1b<br>\u4f8b\uff1a\u7528\u6237A\u5411\u7528\u6237B\u8f6c\u8d26100\u5143\uff0cA\u901a\u77e5B\u67e5\u770b\u8d26\u6237\uff0cB\u53d1\u73b0\u524d\u786e\u5b9e\u5df2\u5230\u8d26\uff0c\u800c\u4e4b\u540e\u65e0\u8bba\u7b2c\u4e8c\u6761SQL\u662f\u5426\u6267\u884c\uff0c\u53ea\u8981\u8be5\u4e8b\u52a1\u90e8\u63d0\u4ea4\uff0c\u5219\u6240\u6709\u64cd\u4f5c\u90fd\u5c06\u56de\u6eda\uff0c\u5f53B\u518d\u6b21\u67e5\u770b\u8d26\u6237\u65f6\u5c31\u4f1a\u53d1\u73b0\u524d\u5176\u5b9e\u5e76\u6ca1\u6709\u5230\u8d26\u3002<\/p>\n\n\n\n<h4><span class=\"ez-toc-section\" id=\"02%EF%BC%9A%E4%B8%8D%E5%8F%AF%E9%87%8D%E5%A4%8D%E8%AF%BB\"><\/span>02\uff1a\u4e0d\u53ef\u91cd\u590d\u8bfb<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p><br>\u4e0d\u53ef\u91cd\u590d\u8bfb\u662f\u6307\u5728\u4e00\u4e2a\u4e8b\u52a1\u5185\uff0c\u591a\u6b21\u8bfb\u53d6\u540c\u4e00\u4e2a\u6570\u636e\uff0c\u5728\u8fd9\u4e2a\u4e8b\u52a1\u8fd8\u6ca1\u6709\u7ed3\u675f \uff0c\u53e6\u4e00\u4e2a\u4e8b\u52a1\u4e5f\u8bbf\u95ee\u8be5\u540c\u4e00\u6570\u636e\uff0c\u4f46\u662f\u7531\u4e8e\u7b2c\u4e8c\u4e2a\u4e8b\u52a1\u7684\u4fee\u6539\uff0c\u90a3\u4e48\u7b2c\u4e00\u4e2a\u4e8b\u52a1\u4e24\u6b21\u8bfb\u53d6\u7684\u6570\u636e\u53ef\u80fd\u4e0d\u4e00\u6837\uff0c\u56e0\u6b64\u79f0\u4e3a\u4e0d\u53ef\u91cd\u590d\u8bfb\uff1b\u5373\u540c\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u539f\u59cb\u6570\u636e\u8bfb\u53d6\u4e0d\u53ef\u91cd\u590d\u3002 \u6ce8\uff1a\u4e0d\u53ef\u91cd\u590d\u8bfb\u548c\u810f\u8bfb\u7684\u533a\u522b\uff0c\u810f\u8bfb\u662f\u67d0\u4e00\u4e2a\u4e8b\u52a1\u8bfb\u53d6\u53e6\u4e00\u4e2a\u4e8b\u52a1\u672a\u63d0\u4ea4\u7684\u810f\u6570\u636e; \u4e0d\u53ef\u91cd\u590d\u8bfb\u5219\u662f\u8bfb\u53d6\u524d\u4e00\u4e8b\u52a1\u63d0<\/p>\n\n\n\n<h4><span class=\"ez-toc-section\" id=\"03%EF%BC%9A%E5%B9%BB%E8%AF%BB%EF%BC%9A\"><\/span>03\uff1a\u5e7b\u8bfb\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p><br>\u5f53\u4e8b\u52a1\u4e0d\u662f\u72ec\u7acb\u6267\u884c\u65f6\u53d1\u751f\u7684\u4e00\u79cd\u73b0\u8c61\uff0c\u4f8b\u5982\u7b2c\u4e00\u4e2a\u4e8b\u52a1\u5bf9\u4e00\u4e2a\u8868\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u4fee\u6539\uff0c\u8fd9\u79cd\u6570\u636e\u6d89\u53ca\u5230\u8868\u4e2d\u7684\u5168\u90e8\u6570\u636e\u884c\uff0c\u540c\u65f6\uff0c\u7b2c\u4e8c\u4e2a\u4e8b\u52a1\u4e5f\u5bf9\u8fd9\u4e2a\u8868\u6570\u636e\u8fdb\u884c\u4fee\u6539\uff0c\u8fd9\u4e2a\u4fee\u6539\u662f\u5bf9\u8868\u4e2d\u65b0\u589e\/\u5220\u9664\u4e00\u6761\u6570\u636e\uff0c\u90a3\u4e48\u64cd\u4f5c\u7b2c\u4e00\u4e2a\u4e8b\u52a1\u7684\u7528\u6237\u53d1\u73b0\u8868\u4e2d\u7684\u6570\u636e\u8fd8\u6ca1\u6709\u4fee\u6539\u7684\u6570\u636e\u884c\uff0c\u5c31\u597d\u50cf\u53d1\u751f\u4e86\u5e7b\u89c9\u4e00\u6837\uff0c\u8fd9\u5c31\u662f\u53d1\u751f\u4e86\u5e7b\u8bfb\u3002<br>\u6ce8:\u5e7b\u8bfb\u548c\u4e0d\u53ef\u91cd\u590d\u8bfb\u90fd\u8bfb\u53d6\u53e6\u4e00\u6761\u5df2\u7ecf\u63d0\u4ea4\u7684\u4e8b\u52a1\uff0c\u6240\u4e0d\u540c\u7684\u662f\u4e0d\u53ef\u91cd\u590d\u8bfb\u67e5\u8be2\u7684\u90fd\u662f\u540c\u4e00\u6570\u636e\u9879\uff0c\u800c\u5e7b\u8bfb\u9488\u5bf9\u7684\u662f\u4e00\u6279\u6570\u636e\u6574\u4f53\u3002<\/p>\n\n\n\n<h4><span class=\"ez-toc-section\" id=\"_%E6%95%B0%E6%8D%AE%E5%BA%93%E6%8F%90%E4%BE%9B%E7%9A%84%E5%9B%9B%E7%A7%8D%E9%9A%94%E7%A6%BB%E7%BA%A7%E5%88%AB%EF%BC%9A\"><\/span>&nbsp;<br>\u6570\u636e\u5e93\u63d0\u4f9b\u7684\u56db\u79cd\u9694\u79bb\u7ea7\u522b\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p><br>01\uff1aRead uncommitted(\u8bfb\u672a\u63d0\u4ea4)\uff1a\u6700\u4f4e\u7ea7\u522b\uff0c\u4efb\u4f55\u60c5\u51b5\u90fd\u4f1a\u53d1\u751f\u3002<br>02\uff1aRead Committed(\u8bfb\u5df2\u63d0\u4ea4)\uff1a\u53ef\u907f\u514d\u810f\u8bfb\u7684\u53d1\u751f\u3002<br>03\uff1aRepeatable read(\u53ef\u91cd\u590d\u8bfb)\uff1a\u53ef\u907f\u514d\u810f\u8bfb\u3001\u4e0d\u53ef\u91cd\u590d\u8bfb\u7684\u53d1\u751f\u3002<br>04\uff1aSerializable(\u4e32\u884c\u5316)\uff1a\u907f\u514d\u810f\u8bfb\u3001\u4e0d\u53ef\u91cd\u590d\u8bfb\uff0c\u5e7b\u8bfb\u7684\u53d1\u751f\u3002<br>&nbsp;<\/p>\n\n\n\n<p>\u6ce8\uff1a \u56db\u79cd\u9694\u79bb\u7ea7\u522b\u6700\u9ad8\uff1aSeralizable\u7ea7\u522b\uff0c\u6700\u4f4e\u7684\u662fRead uncommitted\u7ea7\u522b; \u7ea7\u522b\u8d8a\u9ad8\uff0c\u6267\u884c\u6548\u7387\u5c31\u8d8a\u4f4e; \u9694\u79bb\u7ea7\u522b\u7684\u8bbe\u7f6e\u53ea\u5bf9\u5f53\u524d\u94fe\u63a5\u6709\u6548\uff0c\u5bf9JDBC\u64cd\u4f5c\u6570\u636e\u5e93\u6765\u8bf4\uff0c\u4e00\u4e2aConnection\u5bf9\u8c61\u76f8\u5f53\u4e8e\u4e00\u4e2a\u94fe\u63a5\uff0c\u53ea\u5bf9\u8be5Connection\u5bf9\u8c61\u8bbe\u7f6e\u7684\u9694\u79bb\u7ea7\u522b\u53ea\u5bf9\u8be5connection\u5bf9\u8c61\u6709\u6548\uff0c\u4e0e\u5176\u5b83\u94fe\u63a5connection\u5bf9\u8c61\u65e0\u5173\u3002<\/p>\n\n\n\n<p>01\uff1aMysql\u7684\u9ed8\u8ba4\u9694\u79bb\u7ea7\u522b\u662f\uff1a\u53ef\u91cd\u590d\u8bfb\uff1aRepeatable read;<\/p>\n\n\n\n<p>02\uff1aoracle\u6570\u636e\u5e93\u4e2d\uff0c\u53ea\u652f\u6301seralizable(\u4e32\u884c\u5316)\u7ea7\u522b\u548cRead committed();\u9ed8\u8ba4\u7684\u662fRead committed\u7ea7\u522b\uff1b<\/p>\n\n\n\n<h4><span class=\"ez-toc-section\" id=\"%E4%B8%8B%E9%9D%A2%E5%B0%B1%E5%9B%9B%E7%A7%8D%E9%9A%94%E7%A6%BB%E7%BA%A7%E5%88%AB%E8%BF%9B%E8%A1%8C%E5%9C%BA%E6%99%AF%E8%AE%BE%E8%AE%A1%EF%BC%9A\"><\/span>\u4e0b\u9762\u5c31\u56db\u79cd\u9694\u79bb\u7ea7\u522b\u8fdb\u884c\u573a\u666f\u8bbe\u8ba1\uff1a<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>01: Read uncommitted \u8bfb\u672a\u63d0\u4ea4; \u516c\u53f8\u53d1\u5de5\u8d44\u4e86\uff0c\u9886\u5bfc\u628a5000\u5143\u6253\u5230singo\u7684\u8d26\u53f7\u4e0a\uff0c\u4f46\u662f\u8be5\u4e8b\u52a1\u5e76\u672a\u63d0\u4ea4\uff0c\u800csingo\u6b63\u597d\u53bb\u67e5\u770b\u8d26\u6237\uff0c\u53d1\u73b0\u5de5\u8d44\u5df2\u7ecf\u5230\u8d26\uff0c\u662f5000\u5143\u6574\uff0c\u975e\u5e38\u9ad8\u5174\u3002\u53ef\u662f\u4e0d\u5e78\u7684\u662f\uff0c\u9886\u5bfc\u53d1\u73b0\u53d1\u7ed9singo\u7684\u5de5\u8d44\u91d1\u989d\u4e0d\u5bf9\uff0c\u662f2000\u5143\uff0c\u4e8e\u662f\u8fc5\u901f\u56de\u6eda\u4e86\u4e8b\u52a1\uff0c\u4fee\u6539\u91d1\u989d\u540e\uff0c\u5c06\u4e8b\u52a1\u63d0\u4ea4\uff0c\u6700\u540esingo\u5b9e\u9645\u7684\u5de5\u8d44\u53ea\u67092000\u5143\uff0csingo\u7a7a\u6b22\u559c\u4e00\u573a\u3002<\/p>\n\n\n\n<p>02:Read committed \u8bfb\u5df2\u63d0\u4ea4; singo\u62ff\u7740\u5de5\u8d44\u5361\u53bb\u6d88\u8d39\uff0c\u7cfb\u7edf\u8bfb\u53d6\u5230\u5361\u91cc\u786e\u5b9e\u67092000\u5143\uff0c\u800c\u6b64\u65f6\u5979\u7684\u8001\u5a46\u4e5f\u6b63\u597d\u5728\u7f51\u4e0a\u8f6c\u8d26\uff0c\u628asingo\u5de5\u8d44\u5361\u76842000\u5143\u8f6c\u5230\u53e6\u4e00\u8d26\u6237\uff0c\u5e76\u5728singo\u4e4b\u524d\u63d0\u4ea4\u4e86\u4e8b\u52a1\uff0c\u5f53singo\u6263\u6b3e\u65f6\uff0c\u7cfb\u7edf\u68c0\u67e5\u5230singo\u7684\u5de5\u8d44\u5361\u5df2\u7ecf\u6ca1\u6709\u94b1\uff0c\u6263\u6b3e\u5931\u8d25\uff0csingo\u5341\u5206\u7eb3\u95f7\uff0c\u660e\u660e\u5361\u91cc\u6709\u94b1\uff0c\u4e3a\u4f55&#8230;&#8230;<\/p>\n\n\n\n<p>03:Repeatable read \u91cd\u590d\u8bfb \u5f53singo\u62ff\u7740\u5de5\u8d44\u5361\u53bb\u6d88\u8d39\u65f6\uff0c\u4e00\u65e6\u7cfb\u7edf\u5f00\u59cb\u8bfb\u53d6\u5de5\u8d44\u5361\u4fe1\u606f\uff08\u5373\u4e8b\u52a1\u5f00\u59cb\uff09\uff0csingo\u7684\u8001\u5a46\u5c31\u4e0d\u53ef\u80fd\u5bf9\u8be5\u8bb0\u5f55\u8fdb\u884c\u4fee\u6539\uff0c\u4e5f\u5c31\u662fsingo\u7684\u8001\u5a46\u4e0d\u80fd\u5728\u6b64\u65f6\u8f6c\u8d26\u3002<\/p>\n\n\n\n<p>04\uff1a\u91cd\u590d\u8bfb\u53ef\u80fd\u51fa\u73b0\u5e7b\u8bfb\uff1a singo\u7684\u8001\u5a46\u5de5\u4f5c\u5728\u94f6\u884c\u90e8\u95e8\uff0c\u5979\u65f6\u5e38\u901a\u8fc7\u94f6\u884c\u5185\u90e8\u7cfb\u7edf\u67e5\u770bsingo\u7684\u4fe1\u7528\u5361\u6d88\u8d39\u8bb0\u5f55\u3002\u6709\u4e00\u5929\uff0c\u5979\u6b63\u5728\u67e5\u8be2\u5230singo\u5f53\u6708\u4fe1\u7528\u5361\u7684\u603b\u6d88\u8d39\u91d1\u989d\uff08select sum(amount) from transaction where month = \u672c\u6708\uff09\u4e3a80\u5143\uff0c\u800csingo\u6b64\u65f6\u6b63\u597d\u5728\u5916\u9762\u80e1\u5403\u6d77\u585e\u540e\u5728\u6536\u94f6\u53f0\u4e70\u5355\uff0c\u6d88\u8d391000\u5143\uff0c\u5373\u65b0\u589e\u4e86\u4e00\u67611000\u5143\u7684\u6d88\u8d39\u8bb0\u5f55\uff08insert transaction &#8230; \uff09\uff0c\u5e76\u63d0\u4ea4\u4e86\u4e8b\u52a1\uff0c\u968f\u540esingo\u7684\u8001\u5a46\u5c06singo\u5f53\u6708\u4fe1\u7528\u5361\u6d88\u8d39\u7684\u660e\u7ec6\u6253\u5370\u5230A4\u7eb8\u4e0a\uff0c\u5374\u53d1\u73b0\u6d88\u8d39\u603b\u989d\u4e3a1080\u5143\uff0csingo\u7684\u8001\u5a46\u5f88\u8be7\u5f02\uff0c\u4ee5\u4e3a\u51fa\u73b0\u4e86\u5e7b\u89c9\uff0c\u5e7b\u8bfb\u5c31\u8fd9\u6837\u4ea7\u751f\u4e86\u3002<\/p>\n\n\n\n<p>Serializabale:\u6700\u9ad8\u7684\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\uff0c\u4ee3\u4ef7\u82b1\u8d39\u6700\u9ad8\uff0c\u6027\u80fd\u5f88\u4f4e\uff0c\u5f88\u5c11\u4f7f\u7528\uff0c\u5728\u6b64\u7ea7\u522b\u4e0b\uff0c\u4e8b\u52a1\u987a\u5e8f\u6267\u884c\uff0c\u907f\u514d\u4e0a\u8ff0\u4ea7\u751f\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<p>\u8f6c\u81ea\uff1a<a href=\"https:\/\/www.cnblogs.com\/melody210218\/p\/7120559.html\">https:\/\/www.cnblogs.com\/melody210218\/p\/7120559.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u636e\u5e93\u5fc5\u987b\u5177\u5907\u7684\u56db\u4e2a\u7279\u6027 1\uff1a\u539f\u5b50\u6027\uff1a\u4e8b\u52a1\u5305\u542b\u7684\u6240\u6709\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\u56de\u6eda;\u6210\u529f\u5fc5\u987b\u8981\u5b8c\u5168\u5e94\u7528\u5230\u6570<span class=\"more-button\"><a href=\"https:\/\/diuut.com\/?p=120\" class=\"more-link\">view all . . .<span class=\"screen-reader-text\">\u4e8b\u52a1\u7684\u56db\u5927\u7279\u6027\uff0c\u4ee5\u53ca\u9694\u79bb\u7ea7\u522b\uff08\u8f6c\uff09<\/span><\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/posts\/120"}],"collection":[{"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diuut.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=120"}],"version-history":[{"count":0,"href":"https:\/\/diuut.com\/index.php?rest_route=\/wp\/v2\/posts\/120\/revisions"}],"wp:attachment":[{"href":"https:\/\/diuut.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diuut.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diuut.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}