{"id":199747,"date":"2025-05-06T10:27:57","date_gmt":"2025-05-06T02:27:57","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199747\/"},"modified":"2025-05-06T10:27:57","modified_gmt":"2025-05-06T02:27:57","slug":"mysql%e4%b8%ad%e6%97%b6%e9%97%b4%e8%b7%a8%e5%ba%a6%e5%a4%84%e7%90%86%e6%96%b9%e5%bc%8f%e7%9a%84%e6%b7%b1%e5%85%a5%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199747\/","title":{"rendered":"MySQL\u4e2d\u65f6\u95f4\u8de8\u5ea6\u5904\u7406\u65b9\u5f0f\u7684\u6df1\u5165\u89e3\u6790"},"content":{"rendered":"

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

MySQL\u4e2d\u65f6\u95f4\u8de8\u5ea6\u5904\u7406\u65b9\u5f0f\u7684\u6df1\u5165\u89e3\u6790<\/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\u4e2d\u65f6\u95f4\u8de8\u5ea6\u5904\u7406\u65b9\u5f0f\u7684\u6df1\u5165\u89e3\u6790\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

MySQL\u4e2d\u65f6\u95f4\u8303\u56f4\u7684\u5904\u7406\u65b9\u5f0f\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\u662f\u975e\u5e38\u5e38\u89c1\u548c\u91cd\u8981\u7684\uff0c\u80fd\u591f\u5e2e\u52a9\u6211\u4eec\u66f4\u6709\u6548\u5730\u67e5\u8be2\u548c\u7b5b\u9009\u6570\u636e\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8MySQL\u4e2d\u65f6\u95f4\u8303\u56f4\u7684\u5904\u7406\u65b9\u5f0f\uff0c\u5305\u62ec\u65f6\u95f4\u7684\u5b58\u50a8\u683c\u5f0f\u3001\u65f6\u95f4\u8303\u56f4\u7684\u6bd4\u8f83\u548c\u7b5b\u9009\u7b49\u5185\u5bb9\uff0c\u5e76\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u8bf4\u660e\u3002<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3MySQL\u4e2d\u65f6\u95f4\u7684\u5b58\u50a8\u683c\u5f0f\u3002\u5728MySQL\u4e2d\uff0c\u65f6\u95f4\u53ef\u4ee5\u7528DATETIME\u3001DATE\u3001TIME\u7b49\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\u6765\u8868\u793a\u3002\u5176\u4e2d\uff0cDATETIME\u7c7b\u578b\u53ef\u4ee5\u5b58\u50a8\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u7cbe\u786e\u5230\u79d2\uff1bDATE\u7c7b\u578b\u53ea\u5b58\u50a8\u65e5\u671f\uff0c\u4e0d\u5305\u62ec\u65f6\u95f4\uff1bTIME\u7c7b\u578b\u53ea\u5b58\u50a8\u65f6\u95f4\uff0c\u4e0d\u5305\u62ec\u65e5\u671f\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u65f6\u95f4\u7c7b\u578b\u6765\u5b58\u50a8\u6570\u636e\u3002<\/p>\n

\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u5904\u7406\u65f6\u95f4\u8303\u56f4\u7684\u6bd4\u8f83\u548c\u7b5b\u9009\u3002\u5728MySQL\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u51fd\u6570\u548c\u64cd\u4f5c\u7b26\u6765\u5904\u7406\u65f6\u95f4\u8303\u56f4\u3002\u6bd4\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528BETWEEN<\/code>\u64cd\u4f5c\u7b26\u6765\u7b5b\u9009\u67d0\u4e2a\u65f6\u95f4\u8303\u56f4\u5185\u7684\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528DATE_ADD<\/code>\u548cDATE_SUB<\/code>\u51fd\u6570\u6765\u8fdb\u884c\u65f6\u95f4\u7684\u52a0\u51cf\u8fd0\u7b97\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528DATE_FORMAT<\/code>\u51fd\u6570\u6765\u683c\u5f0f\u5316\u65f6\u95f4\u3002<\/p>\n

\u4e0b\u9762\uff0c\u6211\u4eec\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u8bf4\u660eMySQL\u4e2d\u65f6\u95f4\u8303\u56f4\u7684\u5904\u7406\u65b9\u5f0f\u3002<\/p>\n

    \n
  1. \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u65f6\u95f4\u5b57\u6bb5\u7684\u793a\u4f8b\u8868\uff1a<\/li>\n<\/ol>\n
    CREATE TABLE example_table (\n    id INT PRIMARY KEY,\n    event_time DATETIME\n);<\/pre>\n
      \n
    1. \u63d2\u5165\u793a\u4f8b\u6570\u636e\uff1a<\/li>\n<\/ol>\n
      INSERT INTO example_table (id, event_time) VALUES\n(1, '2022-01-01 10:00:00'),\n(2, '2022-01-02 15:30:00'),\n(3, '2022-01-03 08:45:00');<\/pre>\n
        \n
      1. \u67e5\u8be2\u67d0\u4e2a\u65f6\u95f4\u8303\u56f4\u5185\u7684\u6570\u636e\uff1a<\/li>\n<\/ol>\n
        SELECT * FROM example_table\nWHERE event_time BETWEEN '2022-01-01 00:00:00' AND '2022-01-02 00:00:00';<\/pre>\n
          \n
        1. \u67e5\u8be2\u67d0\u4e00\u5929\u5185\u7684\u6570\u636e\uff1a<\/li>\n<\/ol>\n
          SELECT * FROM example_table\nWHERE DATE(event_time) = '2022-01-01';<\/pre>\n
            \n
          1. \u67e5\u8be2\u67d0\u4e2a\u65f6\u95f4\u4e4b\u540e\u7684\u6570\u636e\uff1a<\/li>\n<\/ol>\n
            SELECT * FROM example_table\nWHERE event_time > '2022-01-02 00:00:00';<\/pre>\n
            \u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5982\u4f55\u5728MySQL\u4e2d\u5904\u7406\u65f6\u95f4\u8303\u56f4\u7684\u6bd4\u8f83\u548c\u7b5b\u9009\uff0c\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u64cd\u4f5c\u65f6\u95f4\u6570\u636e\u3002\u6df1\u5165\u7406\u89e3MySQL\u4e2d\u65f6\u95f4\u8303\u56f4\u7684\u5904\u7406\u65b9\u5f0f\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u5e76\u63d0\u5347\u6570\u636e\u67e5\u8be2\u7684\u6548\u7387\u3002<\/p>\n
            \u4ee5\u4e0a\u5c31\u662f\u300aMySQL\u4e2d\u65f6\u95f4\u8de8\u5ea6\u5904\u7406\u65b9\u5f0f\u7684\u6df1\u5165\u89e3\u6790\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u65f6\u95f4\u5904\u7406\u65b9\u5f0f,\u7406\u89e3\u6df1\u5165\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
            \n
            \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
            MySQL\u4e2d\u65f6\u95f4\u8de8\u5ea6\u5904\u7406\u65b9\u5f0f\u7684\u6df1...<\/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-199747","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199747","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=199747"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199747\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}