{"id":5397,"date":"2024-11-14T10:29:35","date_gmt":"2024-11-14T02:29:35","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5397\/"},"modified":"2024-11-14T10:29:35","modified_gmt":"2024-11-14T02:29:35","slug":"mysql%e6%80%8e%e4%b9%88%e5%88%9b%e5%bb%ba%e8%a7%86%e5%9b%be","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5397\/","title":{"rendered":"mysql\u600e\u4e48\u521b\u5efa\u89c6\u56fe"},"content":{"rendered":"

\n \u5982\u4f55\u521b\u5efa mysql \u89c6\u56fe\uff1a\u4e3a\u89c6\u56fe\u9009\u62e9\u540d\u79f0\u3002\u6307\u5b9a\u4ece\u5e95\u5c42\u8868\u4e2d\u9009\u62e9\u7684\u5217\u3002\u6307\u5b9a\u89c6\u56fe\u7684\u57fa\u7840\u8868\u3002\u6dfb\u52a0\u7b5b\u9009\u6761\u4ef6\uff08\u53ef\u9009\uff09\u3002\n<\/p><\/blockquote>\n

\"mysql\u600e\u4e48\u521b\u5efa\u89c6\u56fe\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 MySQL \u4e2d\u521b\u5efa\u89c6\u56fe<\/strong><\/p>\n

\u4ec0\u4e48\u662f\u89c6\u56fe\uff1f<\/strong><\/p>\n

\u89c6\u56fe\u662f\u865a\u62df\u8868\uff0c\u5b83\u57fa\u4e8e\u4e00\u4e2a\u6216\u591a\u4e2a\u5e95\u5c42\u8868\u4e2d\u7684\u6570\u636e\uff0c\u4f46\u5b9e\u9645\u4e0a\u5e76\u4e0d\u5b58\u50a8\u6570\u636e\u3002\u5b83\u5141\u8bb8\u7528\u6237\u4ee5\u4e0d\u540c\u65b9\u5f0f\u67e5\u8be2\u548c\u64cd\u4f5c\u6570\u636e\uff0c\u800c\u65e0\u9700\u4fee\u6539\u5e95\u5c42\u8868\u3002<\/p>\n

\u5982\u4f55\u521b\u5efa\u89c6\u56fe<\/strong><\/p>\n

\u5728 MySQL \u4e2d\u521b\u5efa\u89c6\u56fe\u975e\u5e38\u7b80\u5355\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

CREATE VIEW [\u89c6\u56fe\u540d\u79f0] AS\nSELECT [\u5217\u540d]\nFROM [\u8868\u540d]\n[WHERE \u6761\u4ef6]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/strong><\/p>\n
    \n
  1.  \u9009\u62e9\u89c6\u56fe\u540d\u79f0\uff1a<\/strong>\u9996\u5148\u4e3a\u8981\u521b\u5efa\u7684\u89c6\u56fe\u9009\u62e9\u4e00\u4e2a\u540d\u79f0\u3002\u540d\u79f0\u5e94\u8be5\u6709\u610f\u4e49\u4e14\u4e0d\u4e0e\u73b0\u6709\u7684\u8868\u6216\u89c6\u56fe\u51b2\u7a81\u3002<\/li>\n
  2.  \u6307\u5b9a\u8981\u9009\u62e9\u7684\u5217\uff1a<\/strong>\u5728 SELECT \u8bed\u53e5\u4e2d\u6307\u5b9a\u8981\u4ece\u5e95\u5c42\u8868\u4e2d\u9009\u62e9\u7684\u5217\u3002<\/li>\n
  3.  \u6307\u5b9a\u5e95\u5c42\u8868\uff1a<\/strong>\u5728 FROM \u5b50\u53e5\u4e2d\u6307\u5b9a\u89c6\u56fe\u7684\u57fa\u7840\u8868\u3002<\/li>\n
  4.  \u6dfb\u52a0\u6761\u4ef6\uff08\u53ef\u9009\uff09\uff1a<\/strong>\u8981\u5728\u89c6\u56fe\u4e2d\u5e94\u7528\u4efb\u4f55\u7b5b\u9009\u6761\u4ef6\uff0c\u53ef\u4ee5\u5728 WHERE \u5b50\u53e5\u4e2d\u6dfb\u52a0\u6761\u4ef6\u3002<\/li>\n<\/ol>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    \u8981\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a customer_view \u7684\u89c6\u56fe\uff0c\u5176\u4e2d\u5305\u542b\u8868 customers \u4e2d\u7684 id\u3001name \u548c email \u5217\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n
    CREATE VIEW customer_view AS\nSELECT id, name, email\nFROM customers;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4f7f\u7528\u89c6\u56fe\u7684\u597d\u5904\uff1a<\/strong><\/p>\n
    \u4f7f\u7528\u89c6\u56fe\u6709\u8bb8\u591a\u597d\u5904\uff0c\u5305\u62ec\uff1a<\/p>\n
      \n
    •  \u6570\u636e\u62bd\u8c61\uff1a<\/strong>\u89c6\u56fe\u9690\u85cf\u4e86\u5e95\u5c42\u8868\u7684\u590d\u6742\u6027\uff0c\u8ba9\u7528\u6237\u80fd\u591f\u4ee5\u66f4\u7b80\u5355\u7684\u65b9\u5f0f\u67e5\u8be2\u6570\u636e\u3002<\/li>\n
    •  \u7b80\u5316\u67e5\u8be2\uff1a<\/strong>\u89c6\u56fe\u53ef\u4ee5\u7b80\u5316\u590d\u6742\u7684\u67e5\u8be2\uff0c\u4f7f\u5b83\u4eec\u66f4\u5bb9\u6613\u7f16\u5199\u548c\u7406\u89e3\u3002<\/li>\n
    •  \u6570\u636e\u5b89\u5168\uff1a<\/strong>\u89c6\u56fe\u53ef\u4ee5\u7528\u4e8e\u9650\u5236\u7528\u6237\u5bf9\u5e95\u5c42\u8868\u7684\u8bbf\u95ee\uff0c\u63d0\u9ad8\u6570\u636e\u5b89\u5168\u6027\u3002<\/li>\n
    •  \u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u89c6\u56fe\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\uff0c\u56e0\u4e3a\u5b83\u4eec\u5b58\u50a8\u7684\u662f\u9884\u5148\u8ba1\u7b97\u7684\u7ed3\u679c\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u521b\u5efa\u89c6\u56fe\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u5982\u4f55\u521b\u5efa mysql \u89c6\u56fe\uff1a\u4e3a\u89c6\u56fe\u9009\u62e9\u540d\u79f0\u3002\u6307\u5b9a\u4ece\u5e95\u5c42\u8868\u4e2d\u9009\u62e9\u7684\u5217\u3002\u6307\u5b9a\u89c6\u56fe\u7684\u57fa\u7840\u8868\u3002\u6dfb\u52a0\u7b5b\u9009\u6761\u4ef6\uff08\u53ef\u9009\uff09\u3002 \u5982\u4f55\u5728 MySQL \u4e2d\u521b\u5efa\u89c6\u56fe \u4ec0\u4e48\u662f\u89c6\u56fe\uff1f \u89c6\u56fe\u662f\u865a\u62df\u8868\uff0c\u5b83\u57fa\u4e8e\u4e00\u4e2a\u6216\u591a\u4e2a\u5e95\u5c42\u8868\u4e2d\u7684\u6570\u636e\uff0c\u4f46\u5b9e\u9645\u4e0a\u5e76\u4e0d\u5b58\u50a8\u6570\u636e\u3002\u5b83\u5141\u8bb8\u7528\u6237\u4ee5\u4e0d\u540c\u65b9\u5f0f\u67e5\u8be2\u548c\u64cd\u4f5c\u6570\u636e\uff0c\u800c\u65e0\u9700\u4fee\u6539\u5e95\u5c42\u8868\u3002 \u5982\u4f55\u521b\u5efa\u89c6\u56fe \u5728 MySQL \u4e2d\u521b\u5efa\u89c6\u56fe\u975e\u5e38\u7b80\u5355\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a CREATE VIEW [\u89c6\u56fe\u540d\u79f0] AS SELECT [\u5217\u540d] FROM [\u8868\u540d] [WHERE \u6761\u4ef6] \u767b\u5f55\u540e\u590d\u5236 \u8be6\u7ec6\u6b65\u9aa4\uff1a \u9009\u62e9\u89c6\u56fe\u540d\u79f0\uff1a\u9996\u5148\u4e3a\u8981\u521b\u5efa\u7684\u89c6\u56fe\u9009\u62e9\u4e00\u4e2a\u540d\u79f0\u3002\u540d\u79f0\u5e94\u8be5\u6709\u610f\u4e49\u4e14\u4e0d\u4e0e\u73b0\u6709\u7684\u8868\u6216\u89c6\u56fe\u51b2\u7a81\u3002 \u6307\u5b9a\u8981\u9009\u62e9\u7684\u5217\uff1a\u5728 SELECT \u8bed\u53e5\u4e2d\u6307\u5b9a\u8981\u4ece\u5e95\u5c42\u8868\u4e2d\u9009\u62e9\u7684\u5217\u3002 \u6307\u5b9a\u5e95\u5c42\u8868\uff1a\u5728 FROM \u5b50\u53e5\u4e2d\u6307\u5b9a\u89c6\u56fe\u7684\u57fa\u7840\u8868\u3002 \u6dfb\u52a0\u6761\u4ef6\uff08\u53ef\u9009\uff09\uff1a\u8981\u5728\u89c6\u56fe\u4e2d\u5e94\u7528\u4efb\u4f55\u7b5b\u9009\u6761\u4ef6\uff0c\u53ef\u4ee5\u5728 WHERE \u5b50\u53e5\u4e2d\u6dfb\u52a0\u6761\u4ef6\u3002 \u793a\u4f8b\uff1a \u8981\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a customer_view \u7684\u89c6\u56fe\uff0c\u5176\u4e2d\u5305\u542b\u8868 customers \u4e2d\u7684 id\u3001name \u548c email \u5217\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\uff1a CREATE VIEW customer_view AS SELECT id, name, email FROM customers; \u767b\u5f55\u540e\u590d\u5236 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5397","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5397","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5397"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5397\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}