{"id":199735,"date":"2025-05-06T09:38:51","date_gmt":"2025-05-06T01:38:51","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199735\/"},"modified":"2025-05-06T09:38:51","modified_gmt":"2025-05-06T01:38:51","slug":"%e6%95%b4%e7%90%86mysql%e5%ad%a6%e4%b9%a0%e7%9a%84%e6%96%b9%e6%b3%95%e5%92%8c%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199735\/","title":{"rendered":"\u6574\u7406MySQL\u5b66\u4e60\u7684\u65b9\u6cd5\u548c\u6280\u5de7"},"content":{"rendered":"

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

\u6574\u7406MySQL\u5b66\u4e60\u7684\u65b9\u6cd5\u548c\u6280\u5de7<\/h1>\n

\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662f\u6570\u636e\u5e93\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300a\u6574\u7406MySQL\u5b66\u4e60\u7684\u65b9\u6cd5\u548c\u6280\u5de7\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

\u5b66\u4e60MySQL\u6574\u7406\u7684\u65b9\u6cd5\u4e0e\u6280\u5de7\uff0c\u9700\u8981\u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/p>\n

MySQL\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u7f51\u7ad9\u548c\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\u5bf9\u4e8e\u60f3\u8981\u5b66\u4e60MySQL\u7684\u4eba\u6765\u8bf4\uff0c\u638c\u63e1\u6709\u6548\u7684\u5b66\u4e60\u65b9\u6cd5\u548c\u6280\u5de7\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5b66\u4e60MySQL\u7684\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1MySQL\u7684\u4f7f\u7528\u3002<\/p>\n

\u4e00\u3001\u5efa\u7acb\u826f\u597d\u7684\u5b66\u4e60\u8ba1\u5212<\/p>\n

\u8981\u5b66\u4e60MySQL\uff0c\u9996\u5148\u8981\u5efa\u7acb\u4e00\u4e2a\u826f\u597d\u7684\u5b66\u4e60\u8ba1\u5212\u3002\u4e00\u4e2a\u5408\u7406\u7684\u5b66\u4e60\u8ba1\u5212\u5e94\u8be5\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n

    \n
  1. \u76ee\u6807\u8bbe\u5b9a\uff1a\u786e\u5b9a\u5b66\u4e60MySQL\u7684\u5177\u4f53\u76ee\u6807\uff0c\u4f8b\u5982\u5b66\u4e60\u57fa\u672c\u7684SQL\u8bed\u6cd5\u3001\u4e86\u89e3\u6570\u636e\u5e93\u8bbe\u8ba1\u539f\u5219\u7b49\u3002<\/li>\n
  2. \u5b66\u4e60\u8d44\u6e90\uff1a\u9009\u62e9\u9002\u5408\u81ea\u5df1\u7684\u5b66\u4e60\u8d44\u6e90\uff0c\u53ef\u4ee5\u662f\u5728\u7ebf\u6559\u7a0b\u3001\u4e66\u7c4d\u3001\u89c6\u9891\u6559\u7a0b\u7b49\u3002<\/li>\n
  3. \u5b66\u4e60\u65f6\u95f4\uff1a\u5408\u7406\u5b89\u6392\u5b66\u4e60\u65f6\u95f4\uff0c\u4fdd\u6301\u6bcf\u5929\u6301\u7eed\u5b66\u4e60\uff0c\u4e0d\u8981\u4e00\u4e0b\u5b50\u5b66\u592a\u591a\uff0c\u5bfc\u81f4\u5b66\u4e60\u6548\u679c\u4e0d\u7406\u60f3\u3002<\/li>\n<\/ol>\n

    \u4e8c\u3001\u638c\u63e1\u57fa\u672c\u7684SQL\u8bed\u6cd5<\/p>\n

    SQL\u662fMySQL\u7684\u67e5\u8be2\u8bed\u8a00\uff0c\u638c\u63e1SQL\u8bed\u6cd5\u662f\u4f7f\u7528MySQL\u7684\u57fa\u7840\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684SQL\u8bed\u6cd5\u548c\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

      \n
    1. \u521b\u5efa\u6570\u636e\u5e93\uff1a<\/li>\n<\/ol>\n
      CREATE DATABASE dbname;<\/pre>\n
        \n
      1. \u521b\u5efa\u8868\uff1a<\/li>\n<\/ol>\n
        CREATE TABLE tablename (\n    column1 datatype,\n    column2 datatype,\n    ...\n);<\/pre>\n
          \n
        1. \u63d2\u5165\u6570\u636e\uff1a<\/li>\n<\/ol>\n
          INSERT INTO tablename (column1, column2) VALUES (value1, value2);<\/pre>\n
            \n
          1. \u67e5\u8be2\u6570\u636e\uff1a<\/li>\n<\/ol>\n
            SELECT column1, column2 FROM tablename WHERE condition;<\/pre>\n
              \n
            1. \u66f4\u65b0\u6570\u636e\uff1a<\/li>\n<\/ol>\n
              UPDATE tablename SET column1 = new_value WHERE condition;<\/pre>\n
                \n
              1. \u5220\u9664\u6570\u636e\uff1a<\/li>\n<\/ol>\n
                DELETE FROM tablename WHERE condition;<\/pre>\n
                \u4e09\u3001\u5b66\u4e60\u6570\u636e\u5e93\u8bbe\u8ba1\u539f\u5219<\/p>\n
                \u9664\u4e86\u638c\u63e1SQL\u8bed\u6cd5\uff0c\u5b66\u4e60\u6570\u636e\u5e93\u8bbe\u8ba1\u539f\u5219\u4e5f\u662f\u5b66\u4e60MySQL\u7684\u91cd\u8981\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6570\u636e\u5e93\u8bbe\u8ba1\u539f\u5219\u53ca\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
                  \n
                1. \u552f\u4e00\u6027\u7ea6\u675f\uff1a<\/li>\n<\/ol>\n
                  CREATE TABLE tablename (\n    column1 datatype UNIQUE,\n    ...\n);<\/pre>\n
                    \n
                  1. \u4e3b\u952e\u7ea6\u675f\uff1a<\/li>\n<\/ol>\n
                    CREATE TABLE tablename (\n    id INT PRIMARY KEY,\n    ...\n);<\/pre>\n
                      \n
                    1. \u5916\u952e\u7ea6\u675f\uff1a<\/li>\n<\/ol>\n
                      CREATE TABLE table1 (\n    id INT PRIMARY KEY\n);\n\nCREATE TABLE table2 (\n    id INT PRIMARY KEY,\n    foreign_key_id INT,\n    FOREIGN KEY (foreign_key_id) REFERENCES table1(id)\n);<\/pre>\n
                      \u56db\u3001\u5b9e\u8df5\u548c\u603b\u7ed3\u7ecf\u9a8c<\/p>\n
                      \u6700\u540e\uff0c\u5b66\u4e60MySQL\u8fd8\u9700\u8981\u4e0d\u65ad\u5b9e\u8df5\u548c\u603b\u7ed3\u7ecf\u9a8c\u3002\u901a\u8fc7\u5b9e\u9645\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u7f16\u5199SQL\u8bed\u53e5\uff0c\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u638c\u63e1MySQL\u7684\u4f7f\u7528\u3002\u540c\u65f6\uff0c\u4e0d\u65ad\u603b\u7ed3\u7ecf\u9a8c\uff0c\u53d1\u73b0\u95ee\u9898\u5e76\u52a0\u4ee5\u89e3\u51b3\uff0c\u53ef\u4ee5\u63d0\u9ad8\u81ea\u5df1\u7684\u6570\u636e\u5e93\u6280\u80fd\u3002<\/p>\n
                      \u7efc\u4e0a\u6240\u8ff0\uff0c\u5b66\u4e60MySQL\u9700\u8981\u5efa\u7acb\u4e00\u4e2a\u826f\u597d\u7684\u5b66\u4e60\u8ba1\u5212\uff0c\u638c\u63e1\u57fa\u672c\u7684SQL\u8bed\u6cd5\u548c\u6570\u636e\u5e93\u8bbe\u8ba1\u539f\u5219\uff0c\u4e0d\u65ad\u5b9e\u8df5\u548c\u603b\u7ed3\u7ecf\u9a8c\u3002\u5e0c\u671b\u4ee5\u4e0a\u65b9\u6cd5\u548c\u6280\u5de7\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u5b66\u4e60\u548c\u5e94\u7528MySQL\u6570\u636e\u5e93\u3002<\/p>\n
                      \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6570\u636e\u5e93\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n
                      \n
                      \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
                      \u6574\u7406MySQL\u5b66\u4e60\u7684\u65b9\u6cd5\u548c\u6280\u5de7 ...<\/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-199735","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199735","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=199735"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199735\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}