{"id":200050,"date":"2025-05-06T09:49:17","date_gmt":"2025-05-06T01:49:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200050\/"},"modified":"2025-05-06T09:49:17","modified_gmt":"2025-05-06T01:49:17","slug":"mysql%e7%9a%84%e7%89%88%e6%9c%ac%e7%89%b9%e7%82%b9%e5%8f%8a%e5%85%b6%e4%bc%98%e7%bc%ba%e7%82%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200050\/","title":{"rendered":"MySQL\u7684\u7248\u672c\u7279\u70b9\u53ca\u5176\u4f18\u7f3a\u70b9"},"content":{"rendered":"

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

MySQL\u7684\u7248\u672c\u7279\u70b9\u53ca\u5176\u4f18\u7f3a\u70b9<\/h1>\n

IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aMySQL\u7684\u7248\u672c\u7279\u70b9\u53ca\u5176\u4f18\u7f3a\u70b9\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

MySQL\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u88ab\u5e7f\u6cdb\u7528\u4e8eWeb\u5e94\u7528\u7a0b\u5e8f\u548c\u4f01\u4e1a\u7ea7\u7cfb\u7edf\u4e2d\u3002\u672c\u6587\u5c06\u63a2\u8ba8MySQL\u4e0d\u540c\u7248\u672c\u7684\u7279\u70b9\u4ee5\u53ca\u5b83\u4eec\u7684\u4f18\u7f3a\u70b9\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

MySQL 5.7 \u7248\u672c\u7279\u70b9\u53ca\u4f18\u7f3a\u70b9<\/h3>\n

\u7279\u70b9\uff1a<\/h4>\n
    \n
  1. JSON \u6570\u636e\u7c7b\u578b\u652f\u6301<\/strong>\uff1aMySQL 5.7\u5f15\u5165\u4e86\u5bf9JSON\u6570\u636e\u7c7b\u578b\u7684\u652f\u6301\uff0c\u53ef\u4ee5\u5b58\u50a8\u548c\u67e5\u8be2JSON\u683c\u5f0f\u7684\u6570\u636e\u3002<\/li>\n
  2. \u591a\u6e90\u590d\u5236<\/strong>\uff1aMySQL 5.7\u63d0\u4f9b\u4e86\u652f\u6301\u4ece\u591a\u4e2a\u6e90\u6570\u636e\u5e93\u8fdb\u884c\u590d\u5236\u6570\u636e\u7684\u529f\u80fd\uff0c\u63d0\u9ad8\u4e86\u6570\u636e\u540c\u6b65\u7684\u6548\u7387\u3002<\/li>\n
  3. \u6027\u80fd\u4f18\u5316<\/strong>\uff1a\u5f15\u5165\u4e86\u6027\u80fd\u4f18\u5316\u529f\u80fd\uff0c\u5982Query Rewrite Plugin\u3001Bulk Data Load\u3001\u591a\u7ebf\u7a0b\u590d\u5236\u7b49\uff0c\u63d0\u5347\u4e86\u6570\u636e\u5e93\u7684\u6027\u80fd\u3002<\/li>\n<\/ol>\n
    -- \u793a\u4f8b\u4ee3\u7801\uff1a\u521b\u5efa\u4e00\u4e2a\u4f7f\u7528JSON\u6570\u636e\u7c7b\u578b\u7684\u8868\nCREATE TABLE users (\n    id INT PRIMARY KEY,\n    info JSON\n);<\/pre>\n
    \u4f18\u70b9\uff1a<\/h4>\n
      \n
    • \u652f\u6301 JSON \u6570\u636e\u7c7b\u578b\uff0c\u65b9\u4fbf\u5b58\u50a8\u548c\u67e5\u8be2JSON\u683c\u5f0f\u6570\u636e\u3002<\/li>\n
    • \u63d0\u4f9b\u4e86\u591a\u6e90\u590d\u5236\u529f\u80fd\uff0c\u53ef\u4ee5\u4ece\u591a\u4e2a\u6e90\u6570\u636e\u5e93\u8fdb\u884c\u6570\u636e\u590d\u5236\u3002<\/li>\n
    • \u6027\u80fd\u4f18\u5316\u529f\u80fd\u63d0\u5347\u4e86\u6570\u636e\u5e93\u7684\u6548\u7387\u3002<\/li>\n<\/ul>\n
      \u7f3a\u70b9\uff1a<\/h4>\n
        \n
      • \u5728\u5904\u7406\u5927\u91cf\u5b9e\u65f6\u6570\u636e\u65f6\uff0c\u6027\u80fd\u53ef\u80fd\u6709\u6240\u4e0b\u964d\u3002<\/li>\n
      • \u67d0\u4e9b\u65b0\u7279\u6027\u53ef\u80fd\u5b58\u5728\u4e00\u4e9b\u7a33\u5b9a\u6027\u95ee\u9898\u3002<\/li>\n<\/ul>\n
        MySQL 8.0 \u7248\u672c\u7279\u70b9\u53ca\u4f18\u7f3a\u70b9<\/h3>\n
        \u7279\u70b9\uff1a<\/h4>\n
          \n
        1. Window Functions<\/strong>\uff1a\u5f15\u5165\u4e86\u7a97\u53e3\u51fd\u6570\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u5206\u6790\u51fd\u6570\u7684\u8ba1\u7b97\u3002<\/li>\n
        2. Common Table Expressions (CTE)<\/strong>\uff1a\u652f\u6301\u4f7f\u7528CTE\u8fdb\u884c\u590d\u6742\u67e5\u8be2\u64cd\u4f5c\u3002<\/li>\n
        3. Invisible Indexes<\/strong>\uff1a\u53ef\u4ee5\u5c06\u7d22\u5f15\u8bbe\u7f6e\u4e3a\u4e0d\u53ef\u89c1\uff0c\u964d\u4f4e\u7ef4\u62a4\u6210\u672c\u3002<\/li>\n<\/ol>\n
          -- \u793a\u4f8b\u4ee3\u7801\uff1a\u4f7f\u7528\u7a97\u53e3\u51fd\u6570\u8ba1\u7b97\u6bcf\u4e2a\u7528\u6237\u7684\u603b\u79ef\u5206\nSELECT\n    id,\n    SUM(points) OVER(PARTITION BY id) AS total_points\nFROM user_points;<\/pre>\n
          \u4f18\u70b9\uff1a<\/h4>\n
            \n
          • \u5f15\u5165\u4e86\u7a97\u53e3\u51fd\u6570\u548cCTE\u7b49\u9ad8\u7ea7\u529f\u80fd\uff0c\u65b9\u4fbf\u8fdb\u884c\u590d\u6742\u67e5\u8be2\u548c\u5206\u6790\u3002<\/li>\n
          • \u53ef\u4ee5\u5c06\u7d22\u5f15\u8bbe\u7f6e\u4e3a\u4e0d\u53ef\u89c1\uff0c\u964d\u4f4e\u4e86\u7ef4\u62a4\u6210\u672c\u3002<\/li>\n<\/ul>\n
            \u7f3a\u70b9\uff1a<\/h4>\n
              \n
            • \u5728\u4e00\u4e9b\u65e7\u7248\u672c\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u53ef\u80fd\u5b58\u5728\u517c\u5bb9\u6027\u95ee\u9898\u3002<\/li>\n
            • \u67d0\u4e9b\u65b0\u529f\u80fd\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u5b66\u4e60\u6210\u672c\u3002<\/li>\n<\/ul>\n
              \u901a\u8fc7\u5bf9MySQL\u4e0d\u540c\u7248\u672c\u7684\u7279\u70b9\u53ca\u4f18\u7f3a\u70b9\u8fdb\u884c\u6bd4\u8f83\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u7248\u672c\u6765\u6784\u5efa\u7a33\u5b9a\u3001\u9ad8\u6548\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u3002MySQL\u6301\u7eed\u53d1\u5c55\uff0c\u672a\u6765\u5c06\u4f1a\u6709\u66f4\u591a\u65b0\u529f\u80fd\u548c\u6539\u8fdb\u4e0d\u65ad\u63a8\u51fa\uff0c\u63d0\u5347\u7528\u6237\u7684\u6570\u636e\u5e93\u7ba1\u7406\u4f53\u9a8c\u3002<\/p>\n
              \u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aMySQL\u7684\u7248\u672c\u7279\u70b9\u53ca\u5176\u4f18\u7f3a\u70b9\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7248\u672c\u7279\u70b9,- \u7248\u672c\u4f18\u52bf,- \u7248\u672c\u7f3a\u70b9,\u7279\u70b9\u4f18\u52a3\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n
              \n
              \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
              MySQL\u7684\u7248\u672c\u7279\u70b9\u53ca\u5176\u4f18\u7f3a\u70b9 ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200050","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200050","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=200050"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200050\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}