{"id":207,"date":"2024-06-17T09:04:49","date_gmt":"2024-06-17T01:04:49","guid":{"rendered":"http:\/\/zhaoyanqi.cn\/?p=207"},"modified":"2024-06-19T22:12:15","modified_gmt":"2024-06-19T14:12:15","slug":"%e4%bb%8e%e6%97%a7%e8%a1%a8%e6%8f%92%e5%85%a5%e6%95%b0%e6%8d%ae%e5%88%b0%e6%96%b0%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/zhaoyanqi.cn\/?p=207","title":{"rendered":"\u4ece\u65e7\u8868\u63d2\u5165\u6570\u636e\u5230\u65b0\u8868"},"content":{"rendered":"\n

\u5047\u8bbe\u9700\u8981\u628a\u65e7\u8868test1\u8868\u7684\u6570\u636e\uff0c\u63d2\u5165\u5230\u65b0\u8868test2\u91cc<\/h3>\n\n\n\n

1. \u521b\u5efa test1<\/code> \u8868\u5e76\u63d2\u5165\u6570\u636e<\/h4>\n\n\n\n

\u521b\u5efa <\/strong>test1<\/strong><\/code> \u8868<\/strong><\/p>\n\n\n\n

CREATE TABLE test1 (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    name VARCHAR(10),\n    age INT,\n    email VARCHAR(30),\n    born_year YEAR,\n    reg_time DATETIME\n);<\/code><\/pre>\n\n\n\n
\u89e3\u91ca<\/strong>\uff1a<\/p>\n\n\n\n
    \n
  • id<\/code>\uff1a\u4e3b\u952e\uff0c\u81ea\u52a8\u9012\u589e\u3002<\/li>\n\n\n\n
  • name<\/code>\uff1a\u540d\u5b57\uff0c\u6700\u5927\u957f\u5ea610\u4e2a\u5b57\u7b26\u3002<\/li>\n\n\n\n
  • age<\/code>\uff1a\u5e74\u9f84\uff0c\u6574\u6570\u7c7b\u578b\u3002<\/li>\n\n\n\n
  • email<\/code>\uff1a\u7535\u5b50\u90ae\u4ef6\uff0c\u6700\u5927\u957f\u5ea630\u4e2a\u5b57\u7b26\u3002<\/li>\n\n\n\n
  • born_year<\/code>\uff1a\u51fa\u751f\u5e74\u4efd\uff0cYEAR\u7c7b\u578b\u3002<\/li>\n\n\n\n
  • reg_time<\/code>\uff1a\u6ce8\u518c\u65f6\u95f4\uff0cDATETIME\u7c7b\u578b\u3002<\/li>\n<\/ul>\n\n\n\n
    \u5411 <\/strong>test1<\/strong><\/code> \u8868\u63d2\u5165\u6570\u636e<\/strong><\/p>\n\n\n\n
    INSERT INTO test1 (name, age, email, born_year, reg_time) VALUES\n('egon1', 18, '123123@qq.com', 1999, NOW()),\n('egon2', 28, '123123@163.com', 1999, NOW()),\n('egon3', 38, '123123@xx.com', 1999, NOW()),\n('egon4', 48, '123123@aa.com', 1999, NOW()),\n('egon5', 58, '123123@zz.com', 1999, NOW());<\/code><\/pre>\n\n\n\n
    \u89e3\u91ca<\/strong>\uff1a<\/p>\n\n\n\n
      \n
    • \u5411 test1<\/code> \u8868\u4e2d\u63d2\u51655\u6761\u8bb0\u5f55\u3002<\/li>\n\n\n\n
    • NOW()<\/code> \u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\u3002<\/li>\n<\/ul>\n\n\n\n
      2. \u521b\u5efa db3<\/code> \u6570\u636e\u5e93\u5e76\u521b\u5efa test2<\/code> \u8868<\/h4>\n\n\n\n
      \u521b\u5efa\u6570\u636e\u5e93 <\/strong>db3<\/strong><\/code><\/p>\n\n\n\n
      CREATE DATABASE db3;<\/code><\/pre>\n\n\n\n
      \u89e3\u91ca<\/strong>\uff1a<\/p>\n\n\n\n
        \n
      • \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u636e\u5e93 db3<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n
        \u4f7f\u7528\u6570\u636e\u5e93 <\/strong>db3<\/strong><\/code><\/p>\n\n\n\n
        USE db3;<\/code><\/pre>\n\n\n\n
        \u89e3\u91ca<\/strong>\uff1a<\/p>\n\n\n\n
          \n
        • \u5207\u6362\u5230\u6570\u636e\u5e93 db3<\/code>\uff0c\u540e\u7eed\u64cd\u4f5c\u90fd\u5728 db3<\/code> \u6570\u636e\u5e93\u4e2d\u6267\u884c\u3002<\/li>\n<\/ul>\n\n\n\n
          \u521b\u5efa <\/strong>test2<\/strong><\/code> \u8868<\/strong><\/p>\n\n\n\n
          CREATE TABLE test2 (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    name VARCHAR(15),\n    email VARCHAR(30),\n    reg_time DATETIME\n);<\/code><\/pre>\n\n\n\n
          \u89e3\u91ca<\/strong>\uff1a<\/p>\n\n\n\n
            \n
          • id<\/code>\uff1a\u4e3b\u952e\uff0c\u81ea\u52a8\u9012\u589e\u3002<\/li>\n\n\n\n
          • name<\/code>\uff1a\u540d\u5b57\uff0c\u6700\u5927\u957f\u5ea615\u4e2a\u5b57\u7b26\u3002<\/li>\n\n\n\n
          • email<\/code>\uff1a\u7535\u5b50\u90ae\u4ef6\uff0c\u6700\u5927\u957f\u5ea630\u4e2a\u5b57\u7b26\u3002<\/li>\n\n\n\n
          • reg_time<\/code>\uff1a\u6ce8\u518c\u65f6\u95f4\uff0cDATETIME\u7c7b\u578b\u3002<\/li>\n<\/ul>\n\n\n\n
            3. \u4ece db2.test1<\/code> \u8868\u63d2\u5165\u6570\u636e\u5230 db3.test2<\/code> \u8868<\/h4>\n\n\n\n
            \u63d2\u5165\u6570\u636e<\/strong><\/p>\n\n\n\n
            INSERT INTO db3.test2 (id, name, email, reg_time)\nSELECT id, name, email, reg_time FROM db2.test1;<\/code><\/pre>\n\n\n\n
            \u89e3\u91ca<\/strong>\uff1a<\/p>\n\n\n\n
              \n
            • \u5c06 db2.test1<\/code> \u8868\u4e2d\u7684\u6570\u636e\u63d2\u5165\u5230 db3.test2<\/code> \u8868\u4e2d\u3002<\/li>\n\n\n\n
            • \u4f7f\u7528 SELECT<\/code> \u8bed\u53e5\u4ece db2.test1<\/code> \u8868\u4e2d\u83b7\u53d6\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n
              \u603b\u7ed3<\/h3>\n\n\n\n
              \u4ee5\u4e0b\u662f\u5b8c\u6574\u7684\u64cd\u4f5c\u6d41\u7a0b\uff1a<\/p>\n\n\n\n
                \n
              1. \u521b\u5efa <\/strong>test1<\/strong><\/code> \u8868\u5e76\u63d2\u5165\u6570\u636e<\/strong><\/li>\n<\/ol>\n\n\n\n
                CREATE TABLE test1 (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    name VARCHAR(10),\n    age INT,\n    email VARCHAR(30),\n    born_year YEAR,\n    reg_time DATETIME\n);\n\nINSERT INTO test1 (name, age, email, born_year, reg_time) VALUES\n('egon1', 18, '123123@qq.com', 1999, NOW()),\n('egon2', 28, '123123@163.com', 1999, NOW()),\n('egon3', 38, '123123@xx.com', 1999, NOW()),\n('egon4', 48, '123123@aa.com', 1999, NOW()),\n('egon5', 58, '123123@zz.com', 1999, NOW());<\/code><\/pre>\n\n\n\n
                  \n
                1. \u521b\u5efa <\/strong>db3<\/strong><\/code> \u6570\u636e\u5e93\u5e76\u521b\u5efa <\/strong>test2<\/strong><\/code> \u8868<\/strong><\/li>\n<\/ol>\n\n\n\n
                  CREATE DATABASE db3;\nUSE db3;\n\nCREATE TABLE test2 (\n    id INT PRIMARY KEY AUTO_INCREMENT,\n    name VARCHAR(15),\n    email VARCHAR(30),\n    reg_time DATETIME\n);<\/code><\/pre>\n\n\n\n
                    \n
                  1. \u4ece <\/strong>db2.test1<\/strong><\/code> \u8868\u63d2\u5165\u6570\u636e\u5230 <\/strong>db3.test2<\/strong><\/code> \u8868<\/strong><\/li>\n<\/ol>\n\n\n\n
                    INSERT INTO db3.test2 (id, name, email, reg_time)\nSELECT id, name, email, reg_time FROM db2.test1;<\/code><\/pre>\n\n\n\n
                    \u901a\u8fc7\u8fd9\u4e9b\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6210\u529f\u521b\u5efa\u548c\u64cd\u4f5c\u4e24\u4e2a\u6570\u636e\u5e93\u4e2d\u7684\u8868\uff0c\u5e76\u5b9e\u73b0\u4ece\u4e00\u4e2a\u8868\u5411\u53e6\u4e00\u4e2a\u8868\u7684\u6570\u636e\u63d2\u5165\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                    \u5047\u8bbe\u9700\u8981\u628a\u65e7\u8868test1\u8868\u7684\u6570\u636e\uff0c\u63d2\u5165\u5230\u65b0\u8868test2\u91cc 1. \u521b\u5efa test1 \u8868\u5e76\u63d2\u5165\u6570\u636e \u521b\u5efa test […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,12],"tags":[],"class_list":["post-207","post","type-post","status-publish","format-standard","hentry","category-mysql","category-sql"],"_links":{"self":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts\/207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=207"}],"version-history":[{"count":1,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts\/207\/revisions"}],"predecessor-version":[{"id":208,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=\/wp\/v2\/posts\/207\/revisions\/208"}],"wp:attachment":[{"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zhaoyanqi.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}