{"id":200069,"date":"2025-05-06T09:08:24","date_gmt":"2025-05-06T01:08:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200069\/"},"modified":"2025-05-06T09:08:24","modified_gmt":"2025-05-06T01:08:24","slug":"%e5%88%9b%e5%bb%ba%e4%b8%8e%e5%ba%94%e7%94%a8mysql%e8%a7%86%e5%9b%be","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200069\/","title":{"rendered":"\u521b\u5efa\u4e0e\u5e94\u7528MySQL\u89c6\u56fe"},"content":{"rendered":"

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

\u521b\u5efa\u4e0e\u5e94\u7528MySQL\u89c6\u56fe<\/h1>\n

MySQL\u89c6\u56fe\u662f\u4e00\u79cd\u865a\u62df\u8868\uff0c\u5141\u8bb8\u7528\u6237\u7b80\u5316\u590d\u6742\u7684\u67e5\u8be2\u64cd\u4f5c\u5e76\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002\u901a\u8fc7\u4f7f\u7528CREATE VIEW\u8bed\u53e5\uff0c\u53ef\u4ee5\u4ece\u73b0\u6709\u8868\u4e2d\u521b\u5efa\u89c6\u56fe\uff0c\u6307\u5b9a\u8981\u5305\u542b\u7684\u5217\u548c\u7b5b\u9009\u6761\u4ef6\u3002\u89c6\u56fe\u53ef\u4ee5\u50cf\u666e\u901a\u8868\u4e00\u6837\u4f7f\u7528\uff0c\u5305\u62ec\u67e5\u8be2\u3001\u7b5b\u9009\u548c\u66f4\u65b0\uff08\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff09\u3002\u521b\u5efa\u548c\u4f7f\u7528\u89c6\u56fe\u53ef\u4ee5\u5e2e\u52a9\u7ec4\u7ec7\u548c\u7ba1\u7406\u6570\u636e\uff0c\u51cf\u5c11\u91cd\u590d\u52b3\u52a8\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6548\u7387\u3002<\/p>\n

\u5982\u4f55\u521b\u5efa\u548c\u4f7f\u7528MySQL\u89c6\u56fe\uff1f<\/p>\n

MySQL\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u521b\u5efa\u89c6\u56fe\u6765\u7b80\u5316\u590d\u6742\u7684\u67e5\u8be2\u64cd\u4f5c\u5e76\u63d0\u9ad8\u67e5\u8be2\u7684\u6548\u7387\u3002\u89c6\u56fe\u662f\u901a\u8fc7\u67e5\u8be2\u8bed\u53e5\u521b\u5efa\u7684\u865a\u62df\u8868\uff0c\u53ef\u4ee5\u50cf\u666e\u901a\u8868\u4e00\u6837\u4f7f\u7528\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u521b\u5efa\u548c\u4f7f\u7528MySQL\u89c6\u56fe\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

1. \u521b\u5efaMySQL\u89c6\u56fe<\/h3>\n

\u8981\u521b\u5efaMySQL\u89c6\u56fe\uff0c\u9700\u8981\u4f7f\u7528CREATE VIEW<\/code>\u8bed\u53e5\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

CREATE VIEW view_name AS\nSELECT column1, column2, ...\nFROM table_name\nWHERE condition;<\/pre>\n
    \n
  • view_name<\/code>\uff1a\u89c6\u56fe\u7684\u540d\u79f0<\/li>\n
  • column1, column2, ...<\/code>\uff1a\u8981\u5305\u542b\u5728\u89c6\u56fe\u4e2d\u7684\u5217<\/li>\n
  • table_name<\/code>\uff1a\u89c6\u56fe\u5c06\u4ece\u54ea\u4e2a\u8868\u4e2d\u83b7\u53d6\u6570\u636e<\/li>\n
  • condition<\/code>\uff1a\u53ef\u9009\u7684\u6761\u4ef6\uff0c\u7528\u4e8e\u7b5b\u9009\u89c6\u56fe\u6570\u636e<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u89c6\u56fe\u6765\u5c55\u793a\u5458\u5de5\u8868\u4e2d\u7684\u540d\u5b57\u548c\u85aa\u6c34\uff1a<\/p>\n
    CREATE VIEW employee_view AS\nSELECT name, salary\nFROM employee;<\/pre>\n
    2. \u4f7f\u7528MySQL\u89c6\u56fe<\/h3>\n
    \u4e00\u65e6\u521b\u5efa\u4e86\u89c6\u56fe\uff0c\u5c31\u53ef\u4ee5\u50cf\u666e\u901a\u8868\u4e00\u6837\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f7f\u7528\u89c6\u56fe\u7684\u64cd\u4f5c\uff1a<\/p>\n
      \n
    • \u67e5\u8be2\u89c6\u56fe\u7684\u6570\u636e\uff1a<\/li>\n<\/ul>\n
      SELECT * FROM employee_view;<\/pre>\n
        \n
      • \u5bf9\u89c6\u56fe\u8fdb\u884c\u7b5b\u9009\uff1a<\/li>\n<\/ul>\n
        SELECT * FROM employee_view WHERE salary > 5000;<\/pre>\n
          \n
        • \u66f4\u65b0\u89c6\u56fe\u4e2d\u7684\u6570\u636e\uff1a<\/li>\n<\/ul>\n
          \u7531\u4e8e\u89c6\u56fe\u662f\u4e00\u4e2a\u865a\u62df\u8868\uff0c\u4e0d\u662f\u5b9e\u9645\u5b58\u50a8\u6570\u636e\u7684\u5730\u65b9\uff0c\u56e0\u6b64\u6709\u4e00\u4e9b\u9650\u5236\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u89c6\u56fe\u662f\u4e0d\u53ef\u66f4\u65b0\u7684\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u5728CREATE VIEW<\/code>\u8bed\u53e5\u4e2d\u4f7f\u7528WITH CHECK OPTION<\/code>\u9009\u9879\u6765\u5141\u8bb8\u66f4\u65b0\u89c6\u56fe\u6570\u636e\u3002\u8fd9\u6837\uff0c\u66f4\u65b0\u64cd\u4f5c\u5c06\u88ab\u68c0\u67e5\u786e\u4fdd\u7b26\u5408\u89c6\u56fe\u6240\u5b9a\u4e49\u7684\u6761\u4ef6\u3002<\/p>\n
          3. \u793a\u4f8b<\/h3>\n
          \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5b66\u751f\u8868student<\/code>\uff1a<\/p>\n
          CREATE TABLE student (\n    id INT PRIMARY KEY,\n    name VARCHAR(50),\n    age INT,\n    gender VARCHAR(10)\n);\n\nINSERT INTO student (id, name, age, gender) VALUES\n(1, 'Alice', 20, 'Female'),\n(2, 'Bob', 22, 'Male'),\n(3, 'Cathy', 21, 'Female');<\/pre>\n
          \u73b0\u5728\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u89c6\u56fefemale_student<\/code>\uff0c\u53ea\u5305\u542b\u5973\u6027\u5b66\u751f\u7684\u4fe1\u606f\uff1a<\/p>\n
          CREATE VIEW female_student AS\nSELECT id, name, age\nFROM student\nWHERE gender = 'Female';<\/pre>\n
          \u67e5\u8be2\u89c6\u56fefemale_student<\/code>\u7684\u6570\u636e\uff1a<\/p>\n
          SELECT * FROM female_student;<\/pre>\n
          \u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u65b9\u4fbf\u5730\u4ece\u89c6\u56fe\u4e2d\u83b7\u53d6\u7279\u5b9a\u6761\u4ef6\u4e0b\u7684\u6570\u636e\uff0c\u800c\u4e0d\u5fc5\u6bcf\u6b21\u90fd\u7f16\u5199\u590d\u6742\u7684\u67e5\u8be2\u8bed\u53e5\u3002<\/p>\n
          \u7ed3\u8bba<\/h3>\n
          \u901a\u8fc7\u521b\u5efa\u548c\u4f7f\u7528MySQL\u89c6\u56fe\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u5316\u590d\u6742\u7684\u67e5\u8be2\u64cd\u4f5c\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6548\u7387\u3002\u89c6\u56fe\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u65b9\u4fbf\u5730\u7ec4\u7ec7\u548c\u7ba1\u7406\u6570\u636e\uff0c\u51cf\u5c11\u91cd\u590d\u52b3\u52a8\uff0c\u63d0\u9ad8\u7f16\u7a0b\u6548\u7387\u3002\u5e0c\u671b\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u60a8\u80fd\u66f4\u52a0\u719f\u7ec3\u5730\u8fd0\u7528MySQL\u89c6\u56fe\u6765\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/p>\n
          \u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n
          \n
          \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
          \u521b\u5efa\u4e0e\u5e94\u7528MySQL\u89c6\u56fe MyS...<\/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-200069","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200069","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=200069"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200069\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200069"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200069"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}