{"id":200298,"date":"2025-05-06T10:16:49","date_gmt":"2025-05-06T02:16:49","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200298\/"},"modified":"2025-05-06T10:16:49","modified_gmt":"2025-05-06T02:16:49","slug":"mysql-%e6%9f%a5%e8%af%a2%e4%bc%98%e5%8c%96%ef%bc%9a%e5%a6%82%e4%bd%95%e5%b0%86%e4%b8%80%e4%b8%aa%e8%80%97%e6%97%b6-10-%e5%88%86%e9%92%9f%e7%9a%84%e6%9f%a5%e8%af%a2%e4%bc%98%e5%8c%96%e5%88%b0%e7%a7%92","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200298\/","title":{"rendered":"MySQL \u67e5\u8be2\u4f18\u5316\uff1a\u5982\u4f55\u5c06\u4e00\u4e2a\u8017\u65f6 10 \u5206\u949f\u7684\u67e5\u8be2\u4f18\u5316\u5230\u79d2\u7ea7\uff1f"},"content":{"rendered":"

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

MySQL \u67e5\u8be2\u4f18\u5316\uff1a\u5982\u4f55\u5c06\u4e00\u4e2a\u8017\u65f6 10 \u5206\u949f\u7684\u67e5\u8be2\u4f18\u5316\u5230\u79d2\u7ea7\uff1f<\/h1>\n

\u54c8\u55bd\uff01\u5927\u5bb6\u597d\uff0c\u5f88\u9ad8\u5174\u53c8\u89c1\u9762\u4e86\uff0c\u6211\u662f\u4e3b\u673a\u5b9d\u8d1d\u7684\u4e00\u540d\u4f5c\u8005\uff0c\u4eca\u5929\u7531\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\uff0c\u672c\u6587\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5927\u5bb6\u4e00\u8d77\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e5f\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u3001\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1! \u4e0b\u9762\u5c31\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

<\/p>\n

mysql \u67e5\u8be2\u4f18\u5316\u6280\u5de7<\/strong><\/p>\n

\u7ed9\u5b9a\u4e00\u4e2a\u67e5\u8be2\uff0c\u5176\u4e2d\u4ece\u5305\u542b 300 \u4e07\u6761\u8bb0\u5f55\u7684\u8868 a \u4e2d\u67e5\u8be2\u6570\u636e\uff0c\u5e76\u4e0e\u5305\u542b 200 \u4e07\u6761\u8bb0\u5f55\u7684\u8868 b \u8fdb\u884c\u8fde\u63a5\uff0c\u67e5\u8be2\u9700\u8981\u82b1\u8d39 10 \u5206\u949f\u3002\u6267\u884c\u8ba1\u5212\u663e\u793a\u8868 a \u672a\u4f7f\u7528\u7d22\u5f15\uff0c\u800c\u8868 b \u4f7f\u7528\u4e86 id \u7d22\u5f15\u3002<\/p>\n

\u4f18\u5316\u601d\u8def\uff1a<\/strong><\/p>\n

    \n
  1. \u68c0\u67e5\u7d22\u5f15\u4f7f\u7528\u60c5\u51b5\uff1a<\/strong> \u9996\u5148\u68c0\u67e5\u67e5\u8be2\u4e2d\u4f7f\u7528\u7684\u7d22\u5f15\u662f\u5426\u6709\u6548\u3002\u5c1d\u8bd5\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\u4ee5\u67e5\u770b\u8868 b \u4e2d\u662f\u5426\u53ef\u4ee5\u6709\u6548\u4f7f\u7528 city \u548c shequ \u7d22\u5f15\uff1a<\/li>\n<\/ol>\n
    select id from b where b.city like '\u4eac%' and b.shequ like '\u5c71%'<\/pre>\n
    \u5982\u679c\u67e5\u8be2\u4e0d\u80fd\u5229\u7528\u7d22\u5f15\uff0c\u5219\u9700\u8981\u8003\u8651\u521b\u5efa\u9002\u5f53\u7684\u7d22\u5f15\u6216\u8c03\u6574\u67e5\u8be2\u4ee5\u4f7f\u7528\u73b0\u6709\u7d22\u5f15\u3002<\/p>\n
      \n
    1. \u53cd\u5411\u67e5\u8be2\uff1a<\/strong> \u4f18\u5316\u540e\u7684\u67e5\u8be2\u53ef\u4ee5\u901a\u8fc7\u53cd\u5411\u67e5\u8be2\u6b65\u9aa4\u6765\u5b8c\u6210\u3002\u9996\u5148\uff0c\u4ece\u8868 b \u4e2d\u67e5\u8be2\u6ee1\u8db3\u6761\u4ef6\u7684\u8bb0\u5f55\uff1a<\/li>\n<\/ol>\n
      select id from b where b.city like '\u4eac%' and b.shequ like '\u5c71%'<\/pre>\n
        \n
      1. \u4f7f\u7528\u5b50\u67e5\u8be2\uff1a<\/strong> \u5c06\u6b65\u9aa4 2 \u4e2d\u67e5\u8be2\u7684\u7ed3\u679c\u4f5c\u4e3a\u5b50\u67e5\u8be2\uff0c\u5728\u8868 a \u4e2d\u67e5\u8be2\u76f8\u5173\u8bb0\u5f55\uff1a<\/li>\n<\/ol>\n
        select * from a where a.old_person_id in \n(select id from b where b.city like '\u4eac%' and b.shequ like '\u5c71%')<\/pre>\n
          \n
        1. \u91cd\u65b0\u8fde\u63a5\u8868\uff1a<\/strong> \u6700\u540e\uff0c\u5c06\u4ece\u8868 a \u4e2d\u68c0\u7d22\u5230\u7684\u8bb0\u5f55\u4e0e\u8868 b \u91cd\u65b0\u8fde\u63a5\u4ee5\u83b7\u53d6\u6240\u9700\u4fe1\u606f\uff1a<\/li>\n<\/ol>\n
          select\n  aa.id_card, aa.deal_amount, b.street\nfrom (\n  select * from a where a.old_person_id in \n  (select id from b where b.city LIKE '\u4eac%' AND b.shequ LIKE '\u5c71%')\n) aa\ninner join b on aa.old_person_id=b.id<\/pre>\n
          \u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u67e5\u8be2\u53ef\u4ee5\u5206\u6b65\u5206\u89e3\u4e3a\u66f4\u5c0f\u7684\u66f4\u6709\u6548\u7684\u90e8\u5206\uff0c\u4ece\u800c\u663e\u8457\u51cf\u5c11\u6267\u884c\u65f6\u95f4\u3002\u8bf7\u6ce8\u610f\uff0c\u6b64\u793a\u4f8b\u4e2d\u7684 join \u7c7b\u578b\u53ef\u80fd\u56e0\u5b9e\u9645\u9700\u6c42\u800c\u5f02\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":"
          MySQL \u67e5\u8be2\u4f18\u5316\uff1a\u5982\u4f55\u5c06\u4e00\u4e2a...<\/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-200298","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200298","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=200298"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200298\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}