{"id":179930,"date":"2024-11-09T05:59:17","date_gmt":"2024-11-08T21:59:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179930\/"},"modified":"2024-11-09T05:59:18","modified_gmt":"2024-11-08T21:59:18","slug":"%e5%a6%82%e4%bd%95%e6%89%be%e5%88%b0%e5%90%8c%e4%b8%80%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%85%a9%e5%80%8b%e7%9b%b8%e5%90%8c%e8%a1%a8%e6%a0%bc%ef%bc%9f-%e6%9f%a5%e6%89%be%e5%85%a9%e5%bc%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179930\/","title":{"rendered":"\u5982\u4f55\u627e\u5230\u540c\u4e00\u6578\u64da\u5eab\u4e2d\u7684\u5169\u500b\u76f8\u540c\u8868\u683c\uff1f (\u67e5\u627e\u5169\u5f35\u8868\u683c\u76f8\u540c\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%89%be%e5%88%b0%e5%90%8c%e4%b8%80%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%85%a9%e5%80%8b%e7%9b%b8%e5%90%8c%e8%a1%a8%e6%a0%bc%ef%bc%9f-AslRJTQIXZ\">\u5982\u4f55\u627e\u5230\u540c\u4e00\u6578\u64da\u5eab\u4e2d\u7684\u5169\u500b\u76f8\u540c\u8868\u683c\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d93\u5e38\u6703\u9047\u5230\u9700\u8981\u67e5\u627e\u5169\u500b\u76f8\u540c\u8868\u683c\u7684\u60c5\u6cc1\u3002\u9019\u53ef\u80fd\u662f\u56e0\u70ba\u6578\u64da\u91cd\u8907\u3001\u6578\u64da\u9077\u79fb\u6216\u6578\u64da\u6574\u5408\u7b49\u539f\u56e0\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u540c\u4e00\u6578\u64da\u5eab\u4e2d\u627e\u5230\u5169\u500b\u76f8\u540c\u7684\u8868\u683c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u67e5\u8a62\u793a\u4f8b\u548c\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e7%90%86%e8%a7%a3%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e6%a0%bc%e7%9a%84%e7%b5%90%e6%a7%8b-AslRJTQIXZ\">\u7406\u89e3\u6578\u64da\u5eab\u8868\u683c\u7684\u7d50\u69cb<\/h2>\n<p>\u5728\u958b\u59cb\u67e5\u627e\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u6578\u64da\u5eab\u8868\u683c\u7684\u57fa\u672c\u7d50\u69cb\u3002\u6bcf\u500b\u8868\u683c\u7531\u884c\u548c\u5217\u7d44\u6210\uff0c\u884c\u4ee3\u8868\u6578\u64da\u8a18\u9304\uff0c\u5217\u5247\u4ee3\u8868\u6578\u64da\u7684\u5c6c\u6027\u3002\u8981\u6bd4\u8f03\u5169\u500b\u8868\u683c\u662f\u5426\u76f8\u540c\uff0c\u901a\u5e38\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li>\u8868\u683c\u7684\u5217\u540d\u662f\u5426\u76f8\u540c<\/li>\n<li>\u6bcf\u5217\u7684\u6578\u64da\u985e\u578b\u662f\u5426\u4e00\u81f4<\/li>\n<li>\u8868\u683c\u4e2d\u7684\u6578\u64da\u662f\u5426\u76f8\u540c<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8sql%e6%9f%a5%e8%a9%a2%e6%af%94%e8%bc%83%e8%a1%a8%e6%a0%bc-AslRJTQIXZ\">\u4f7f\u7528SQL\u67e5\u8a62\u6bd4\u8f03\u8868\u683c<\/h2>\n<p>\u5728\u5927\u591a\u6578\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528SQL\u67e5\u8a62\u4f86\u6bd4\u8f03\u5169\u500b\u8868\u683c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"1-%e6%af%94%e8%bc%83%e8%a1%a8%e6%a0%bc%e7%b5%90%e6%a7%8b-AslRJTQIXZ\">1. \u6bd4\u8f03\u8868\u683c\u7d50\u69cb<\/h3>\n<p>\u9996\u5148\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u5169\u500b\u8868\u683c\u7684\u7d50\u69cb\u662f\u5426\u76f8\u540c\uff1a<\/p>\n<pre><code>SELECT COLUMN_NAME, DATA_TYPE \nFROM INFORMATION_SCHEMA.COLUMNS \nWHERE TABLE_NAME = '\u8868\u683c1' \nUNION \nSELECT COLUMN_NAME, DATA_TYPE \nFROM INFORMATION_SCHEMA.COLUMNS \nWHERE TABLE_NAME = '\u8868\u683c2';<\/code><\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u5c07\u8fd4\u56de\u5169\u500b\u8868\u683c\u7684\u6240\u6709\u5217\u540d\u548c\u6578\u64da\u985e\u578b\u3002\u5982\u679c\u7d50\u679c\u4e2d\u6709\u91cd\u8907\u7684\u5217\u540d\u548c\u6578\u64da\u985e\u578b\uff0c\u5247\u8868\u683c\u7d50\u69cb\u76f8\u540c\u3002<\/p>\n<h3 id=\"2-%e6%af%94%e8%bc%83%e8%a1%a8%e6%a0%bc%e6%95%b8%e6%93%9a-AslRJTQIXZ\">2. \u6bd4\u8f03\u8868\u683c\u6578\u64da<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6bd4\u8f03\u5169\u500b\u8868\u683c\u4e2d\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * \nFROM \u8868\u683c1 \nEXCEPT \nSELECT * \nFROM \u8868\u683c2;<\/code><\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u5c07\u8fd4\u56de\u5728\u8868\u683c1\u4e2d\u5b58\u5728\u4f46\u5728\u8868\u683c2\u4e2d\u4e0d\u5b58\u5728\u7684\u6240\u6709\u8a18\u9304\u3002\u5982\u679c\u7d50\u679c\u70ba\u7a7a\uff0c\u5247\u8868\u793a\u5169\u500b\u8868\u683c\u4e2d\u7684\u6578\u64da\u5b8c\u5168\u76f8\u540c\u3002<\/p>\n<h3 id=\"3-%e6%9f%a5%e6%89%be%e9%87%8d%e8%a4%87%e6%95%b8%e6%93%9a-AslRJTQIXZ\">3. \u67e5\u627e\u91cd\u8907\u6578\u64da<\/h3>\n<p>\u5982\u679c\u60f3\u8981\u67e5\u627e\u5169\u500b\u8868\u683c\u4e2d\u91cd\u8907\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * \nFROM \u8868\u683c1 \nINTERSECT \nSELECT * \nFROM \u8868\u683c2;<\/code><\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u5c07\u8fd4\u56de\u5728\u5169\u500b\u8868\u683c\u4e2d\u90fd\u5b58\u5728\u7684\u6240\u6709\u8a18\u9304\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u8b58\u5225\u91cd\u8907\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%b7%a5%e5%85%b7%e9%80%b2%e8%a1%8c%e6%af%94%e8%bc%83-AslRJTQIXZ\">\u4f7f\u7528\u5de5\u5177\u9032\u884c\u6bd4\u8f03<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528SQL\u67e5\u8a62\u5916\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\u4f86\u6bd4\u8f03\u8868\u683c\u3002\u4f8b\u5982\uff0c\u8a31\u591a\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08\u5982MySQL Workbench\u3001SQL Server Management Studio\u7b49\uff09\u90fd\u63d0\u4f9b\u4e86\u53ef\u8996\u5316\u7684\u6bd4\u8f03\u529f\u80fd\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u901a\u904e\u5716\u5f62\u754c\u9762\u8f15\u9b06\u5730\u6bd4\u8f03\u5169\u500b\u8868\u683c\u7684\u7d50\u69cb\u548c\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-AslRJTQIXZ\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u67e5\u627e\u5169\u500b\u76f8\u540c\u8868\u683c\u7684\u904e\u7a0b\u53ef\u4ee5\u901a\u904eSQL\u67e5\u8a62\u6216\u5c08\u696d\u5de5\u5177\u4f86\u5be6\u73fe\u3002\u4e86\u89e3\u8868\u683c\u7684\u7d50\u69cb\u548c\u6578\u64da\u662f\u6210\u529f\u6bd4\u8f03\u7684\u95dc\u9375\u3002\u7121\u8ad6\u662f\u70ba\u4e86\u6578\u64da\u6e05\u7406\u3001\u6574\u5408\u9084\u662f\u9077\u79fb\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u90fd\u80fd\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5b58\u5132\u9084\u662f\u61c9\u7528\u90e8\u7f72\uff0c\u9078\u64c7\u5408\u9069\u7684\u670d\u52d9\u5668\u80fd\u5920\u63d0\u5347\u60a8\u7684\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728\u540c\u4e00\u6578\u64da\u5eab\u4e2d\u67e5\u627e\u5169\u500b\u76f8\u540c\u7684\u8868\u683c\uff0c\u638c\u63e1\u6709\u6548\u7684\u67e5\u8a62\u6280\u5de7\u548c\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-179930","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179930","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=179930"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179930\/revisions"}],"predecessor-version":[{"id":179931,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179930\/revisions\/179931"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}