{"id":203184,"date":"2025-05-22T11:18:10","date_gmt":"2025-05-22T03:18:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203184\/"},"modified":"2025-05-22T11:18:10","modified_gmt":"2025-05-22T03:18:10","slug":"%e6%95%b0%e6%8d%ae%e5%ba%93%e7%a7%af%e5%88%86%e7%b3%bb%e7%bb%9f%e8%ae%be%e8%ae%a1%ef%bc%9a%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e5%a4%84%e7%90%86%e4%b8%8d%e5%90%8c%e6%9d%a5%e6%ba%90%e7%9a%84%e7%a7%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203184\/","title":{"rendered":"\u6570\u636e\u5e93\u79ef\u5206\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u5982\u4f55\u6709\u6548\u5904\u7406\u4e0d\u540c\u6765\u6e90\u7684\u79ef\u5206\u67e5\u8be2\u548c\u66f4\u65b0\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u6570\u636e\u5e93\u79ef\u5206\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u5982\u4f55\u6709\u6548\u5904\u7406\u4e0d\u540c\u6765\u6e90\u7684\u79ef\u5206\u67e5\u8be2\u548c\u66f4\u65b0\uff1f<\/h1>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u6253\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\u300a\u6570\u636e\u5e93\u79ef\u5206\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u5982\u4f55\u6709\u6548\u5904\u7406\u4e0d\u540c\u6765\u6e90\u7684\u79ef\u5206\u67e5\u8be2\u548c\u66f4\u65b0\uff1f\u300b<\/span>\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\u5427\uff01\u6587\u4e2d\u5185\u5bb9\u5305\u542b<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9…\u5e0c\u671b\u4f60\u80fd\u5728\u9605\u8bfb\u672c\u6587\u540e\uff0c\u80fd\u771f\u771f\u5b9e\u5b9e\u5b66\u5230\u77e5\u8bc6\u6216\u8005\u5e2e\u4f60\u89e3\u51b3\u5fc3\u4e2d\u7684\u7591\u60d1\uff0c\u4e5f\u6b22\u8fce\u5927\u4f6c\u6216\u8005\u65b0\u4eba\u670b\u53cb\u4eec\u591a\u7559\u8a00\u8bc4\u8bba\uff0c\u591a\u7ed9\u5efa\u8bae\uff01\u8c22\u8c22\uff01<\/p>\n

<\/p>\n

\u6570\u636e\u5e93\u79ef\u5206\u7cfb\u7edf\u8bbe\u8ba1<\/strong><\/p>\n

\u79ef\u5206\u7ba1\u7406\u901a\u5e38\u6d89\u53ca\u591a\u4e2a\u4e1a\u52a1\u8868\uff0c\u5982\u53d1\u5e03\u6587\u7ae0\u8868\u3001\u4e0a\u4f20\u56fe\u7247\u8868\u7b49\u3002\u5982\u4f55\u8bbe\u8ba1\u6570\u636e\u5e93\u8868\u4ee5\u6709\u6548\u5904\u7406\u4e0d\u540c\u79ef\u5206\u6765\u6e90\u7684\u67e5\u8be2\u548c\u66f4\u65b0\u9700\u6c42\u6210\u4e3a\u5173\u952e\u95ee\u9898\u3002<\/p>\n

\u65b9\u6848\u4e00\uff1a\u5728\u4e1a\u52a1\u8868\u4e2d\u6dfb\u52a0\u79ef\u5206\u5b57\u6bb5<\/strong><\/p>\n

\u8fd9\u79cd\u65b9\u6848\u76f4\u63a5\u5728\u4e1a\u52a1\u8868\uff08A\u548cC\uff09\u4e2d\u589e\u52a0\u79ef\u5206\u5b57\u6bb5\u3002\u7136\u800c\uff0c\u8fd9\u5b58\u5728\u4ee5\u4e0b\u5f0a\u7aef\uff1a<\/p>\n

    \n
  1. \u4e3a\u6240\u6709\u76f8\u5173\u8868\u589e\u52a0\u79ef\u5206\u5b57\u6bb5\u4f1a\u663e\u5f97\u5197\u4f59\u548c\u7e41\u7410\uff0c\u7279\u522b\u662f\u5f53\u5b58\u5728\u5927\u91cf\u4e1a\u52a1\u8868\u65f6\u3002<\/li>\n
  2. \u79ef\u5206\u83b7\u53d6\u89c4\u5219\u590d\u6742\u5316\uff0c\u5982\u4e0d\u540c\u8868\u6216\u64cd\u4f5c\u53ef\u80fd\u6709\u4e0d\u540c\u7684\u79ef\u5206\u89c4\u5219\u3002<\/li>\n
  3. \u5220\u9664\u79ef\u5206\u8bb0\u5f55\u65f6\uff0c\u65e0\u6cd5\u65b9\u4fbf\u5730\u4ece\u4e1a\u52a1\u8868\u4e2d\u627e\u5230\u5bf9\u5e94\u8bb0\u5f55\u3002<\/li>\n<\/ol>\n

    \u65b9\u6848\u4e8c\uff1a\u4f7f\u7528\u79ef\u5206\u660e\u7ec6\u8868\u5339\u914d\u4e1a\u52a1\u8868<\/strong><\/p>\n

    \u8be5\u65b9\u6848\u5f15\u5165\u4e00\u4e2a\u79ef\u5206\u660e\u7ec6\u8868\uff08P\uff09\uff0c\u5176\u4e2d\u5b58\u50a8\u6bcf\u4e2a\u79ef\u5206\u8bb0\u5f55\uff0c\u5173\u8054\u4e1a\u52a1\u8868\u7684ID\u548c\u79ef\u5206\u7c7b\u578b\u3002\u5339\u914d\u539f\u7406\u5982\u4e0b\uff1a<\/p>\n

      \n
    • \u79ef\u5206\u660e\u7ec6\u8868\uff08P\uff09\uff1a\u5b58\u50a8\u79ef\u5206\u8bb0\u5f55\uff0c\u5305\u62ec\u79ef\u5206\u7c7b\u578b\u3001\u6765\u6e90\u8868\u540d\u3001\u6765\u6e90\u8868ID\u3001\u79ef\u5206\u503c\u7b49\u5b57\u6bb5\u3002<\/li>\n
    • \u4e1a\u52a1\u8868\uff08A\u548cC\uff09\uff1a\u4ec5\u5b58\u50a8\u79ef\u5206\u6765\u6e90ID\u5b57\u6bb5\uff0c\u5982\u6587\u7ae0ID\u6216\u56fe\u7247ID\u3002<\/li>\n<\/ul>\n

      \u67e5\u8be2\u4e0e\u8ffd\u52a0\u79ef\u5206<\/strong><\/p>\n

        \n
      • \u67e5\u8be2\u6587\u7ae0\u79ef\u5206\uff1a<\/strong>SELECT SUM(\u79ef\u5206\u503c) FROM P WHERE \u6765\u6e90\u8868\u540d = ‘A’ AND \u6765\u6e90\u8868ID = <\u6587\u7ae0ID>\u3002<\/li>\n
      • \u8ffd\u52a0\u6587\u7ae0\u79ef\u5206\uff1a<\/strong>INSERT INTO P (\u79ef\u5206\u7c7b\u578b, \u6765\u6e90\u8868\u540d, \u6765\u6e90\u8868ID, \u79ef\u5206\u503c) VALUES (‘\u6587\u7ae0’, ‘A’, <\u6587\u7ae0ID>, <\u79ef\u5206\u503c>)\u3002<\/li>\n<\/ul>\n

        \u4ee5\u6b64\u7c7b\u63a8\uff0c\u53ef\u4ee5\u7075\u6d3b\u5904\u7406\u56fe\u7247\u79ef\u5206\u548c\u5176\u4ed6\u79ef\u5206\u6765\u6e90\u7684\u67e5\u8be2\u548c\u66f4\u65b0\u64cd\u4f5c\u3002<\/p>\n

        \u6bd4\u8f83\u4e24\u4e2a\u65b9\u6848<\/strong><\/p>\n

          \n
        • \u6269\u5c55\u6027\uff1a<\/strong>\u65b9\u6848\u4e8c\u6269\u5c55\u6027\u66f4\u597d\uff0c\u53ef\u4ee5\u8f7b\u677e\u652f\u6301\u65b0\u7684\u79ef\u5206\u6765\u6e90\uff0c\u800c\u65e0\u9700\u4fee\u6539\u4e1a\u52a1\u8868\u7ed3\u6784\u3002<\/li>\n
        • \u67e5\u8be2\u590d\u6742\u5ea6\uff1a<\/strong>\u65b9\u6848\u4e8c\u7684\u67e5\u8be2\u8bed\u53e5\u53ef\u80fd\u66f4\u957f\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u4f18\u5316\u5668\u548c\u7d22\u5f15\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n
        • \u5197\u4f59\u5ea6\uff1a<\/strong>\u65b9\u6848\u4e00\u53ef\u80fd\u5f15\u5165\u5197\u4f59\uff0c\u56e0\u4e3a\u79ef\u5206\u503c\u4fdd\u5b58\u5728\u591a\u4e2a\u8868\u4e2d\u3002<\/li>\n
        • \u6570\u636e\u5b8c\u6574\u6027\uff1a<\/strong>\u65b9\u6848\u4e8c\u901a\u8fc7\u6765\u6e90\u8868ID\u5f3a\u5236\u4e1a\u52a1\u8868\u548c\u79ef\u5206\u660e\u7ec6\u8868\u7684\u5173\u8054\uff0c\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n

          \u603b\u7684\u6765\u8bf4\uff0c\u63a8\u8350\u4f7f\u7528\u65b9\u6848\u4e8c<\/strong>\uff0c\u56e0\u4e3a\u5b83\u5177\u6709\u66f4\u597d\u7684\u6269\u5c55\u6027\u548c\u6570\u636e\u5b8c\u6574\u6027\uff0c\u5bf9\u4e8e\u590d\u6742\u7684\u79ef\u5206\u7cfb\u7edf\u7ba1\u7406\u66f4\u4e3a\u5408\u9002\u3002<\/p>\n

          \u4eca\u5929\u5173\u4e8e\u300a\u6570\u636e\u5e93\u79ef\u5206\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u5982\u4f55\u6709\u6548\u5904\u7406\u4e0d\u540c\u6765\u6e90\u7684\u79ef\u5206\u67e5\u8be2\u548c\u66f4\u65b0\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u6570\u636e\u5e93\u79ef\u5206\u7cfb\u7edf\u8bbe\u8ba1\uff1a\u5982\u4f55\u6709\u6548\u5904\u7406...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203184","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203184","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203184"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203184\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}