{"id":180142,"date":"2024-11-09T07:45:14","date_gmt":"2024-11-08T23:45:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180142\/"},"modified":"2024-11-09T07:45:15","modified_gmt":"2024-11-08T23:45:15","slug":"%e4%b8%89%e7%a8%ae%e5%b8%b8%e8%a6%8b%e7%9a%84sql%e6%8f%92%e5%85%a5%e8%aa%9e%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180142\/","title":{"rendered":"\u4e09\u7a2e\u5e38\u898b\u7684SQL\u63d2\u5165\u8a9e\u53e5"},"content":{"rendered":"<h1 id=\"%e4%b8%89%e7%a8%ae%e5%b8%b8%e8%a6%8b%e7%9a%84sql%e6%8f%92%e5%85%a5%e8%aa%9e%e5%8f%a5-ogVICSErGo\">\u4e09\u7a2e\u5e38\u898b\u7684SQL\u63d2\u5165\u8a9e\u53e5<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\uff0cSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u64cd\u4f5c\u548c\u7ba1\u7406\u8cc7\u6599\u5eab\u7684\u6a19\u6e96\u8a9e\u8a00\u3002\u63d2\u5165\u8a9e\u53e5\u662fSQL\u4e2d\u6700\u57fa\u672c\u7684\u64cd\u4f5c\u4e4b\u4e00\uff0c\u4e3b\u8981\u7528\u65bc\u5c07\u65b0\u6578\u64da\u6dfb\u52a0\u5230\u8cc7\u6599\u8868\u4e2d\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e09\u7a2e\u5e38\u898b\u7684SQL\u63d2\u5165\u8a9e\u53e5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728\u8cc7\u6599\u5eab\u4e2d\u9032\u884c\u6578\u64da\u63d2\u5165\u3002<\/p>\n<h2 id=\"1-%e5%9f%ba%e6%9c%ac%e7%9a%84insert%e8%aa%9e%e5%8f%a5-ogVICSErGo\">1. \u57fa\u672c\u7684INSERT\u8a9e\u53e5<\/h2>\n<p>\u6700\u57fa\u672c\u7684\u63d2\u5165\u8a9e\u53e5\u662f\u4f7f\u7528INSERT INTO\u8a9e\u53e5\u4f86\u5c07\u6578\u64da\u63d2\u5165\u5230\u6307\u5b9a\u7684\u8cc7\u6599\u8868\u4e2d\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>INSERT INTO \u8868\u540d (\u6b04\u4f4d1, \u6b04\u4f4d2, \u6b04\u4f4d3, ...)\nVALUES (\u503c1, \u503c2, \u503c3, ...);\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u8cc7\u6599\u8868\uff0c\u5305\u542b\u201cusername\u201d\u548c\u201cemail\u201d\u5169\u500b\u6b04\u4f4d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u5c07\u4e00\u500b\u65b0\u7528\u6236\u63d2\u5165\u5230\u8cc7\u6599\u8868\u4e2d\uff1a<\/p>\n<pre><code>INSERT INTO users (username, email)\nVALUES ('john_doe', 'john@example.com');\n<\/code><\/pre>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8select%e8%aa%9e%e5%8f%a5%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-ogVICSErGo\">2. \u4f7f\u7528SELECT\u8a9e\u53e5\u63d2\u5165\u6578\u64da<\/h2>\n<p>\u9664\u4e86\u76f4\u63a5\u63d2\u5165\u6578\u64da\u5916\uff0cSQL\u9084\u5141\u8a31\u4f7f\u7528SELECT\u8a9e\u53e5\u5f9e\u5176\u4ed6\u8cc7\u6599\u8868\u4e2d\u9078\u64c7\u6578\u64da\u4e26\u63d2\u5165\u5230\u76ee\u6a19\u8cc7\u6599\u8868\u4e2d\u3002\u9019\u7a2e\u65b9\u6cd5\u7279\u5225\u9069\u5408\u65bc\u9700\u8981\u5f9e\u4e00\u500b\u8cc7\u6599\u8868\u8907\u88fd\u6578\u64da\u5230\u53e6\u4e00\u500b\u8cc7\u6599\u8868\u7684\u60c5\u6cc1\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>INSERT INTO \u76ee\u6a19\u8868 (\u6b04\u4f4d1, \u6b04\u4f4d2, ...)\nSELECT \u6b04\u4f4d1, \u6b04\u4f4d2, ...\nFROM \u6e90\u8868\nWHERE \u689d\u4ef6;\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201carchived_users\u201d\u7684\u8cc7\u6599\u8868\uff0c\u4e26\u5e0c\u671b\u5c07\u6240\u6709\u5df2\u7d93\u8a3b\u518a\u7684\u7528\u6236\u5f9e\u201cusers\u201d\u8cc7\u6599\u8868\u4e2d\u63d2\u5165\u5230\u201carchived_users\u201d\u8cc7\u6599\u8868\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>INSERT INTO archived_users (username, email)\nSELECT username, email\nFROM users\nWHERE registered_date &lt; &#039;2022-01-01&#039;;\n<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8insert-ignore%e9%81%bf%e5%85%8d%e9%87%8d%e8%a4%87%e6%8f%92%e5%85%a5-ogVICSErGo\">3. \u4f7f\u7528INSERT IGNORE\u907f\u514d\u91cd\u8907\u63d2\u5165<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u80fd\u5e0c\u671b\u5728\u63d2\u5165\u6578\u64da\u6642\u907f\u514d\u91cd\u8907\u7684\u8a18\u9304\u3002\u70ba\u6b64\uff0c\u53ef\u4ee5\u4f7f\u7528INSERT IGNORE\u8a9e\u53e5\u3002\u7576\u63d2\u5165\u7684\u6578\u64da\u8207\u8cc7\u6599\u8868\u4e2d\u5df2\u5b58\u5728\u7684\u6578\u64da\u767c\u751f\u885d\u7a81\u6642\uff0c\u9019\u500b\u8a9e\u53e5\u5c07\u5ffd\u7565\u8a72\u63d2\u5165\u64cd\u4f5c\uff0c\u800c\u4e0d\u6703\u5831\u932f\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>INSERT IGNORE INTO \u8868\u540d (\u6b04\u4f4d1, \u6b04\u4f4d2, ...)\nVALUES (\u503c1, \u503c2, ...);\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u5e0c\u671b\u5c07\u4e00\u500b\u65b0\u7528\u6236\u63d2\u5165\u5230\u201cusers\u201d\u8cc7\u6599\u8868\u4e2d\uff0c\u4f46\u53c8\u4e0d\u5e0c\u671b\u56e0\u70ba\u7528\u6236\u540d\u5df2\u5b58\u5728\u800c\u5c0e\u81f4\u932f\u8aa4\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>INSERT IGNORE INTO users (username, email)\nVALUES ('john_doe', 'john@example.com');\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ogVICSErGo\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u4e09\u7a2e\u5e38\u898b\u7684SQL\u63d2\u5165\u8a9e\u53e5\uff0c\u5305\u62ec\u57fa\u672c\u7684INSERT\u8a9e\u53e5\u3001\u4f7f\u7528SELECT\u8a9e\u53e5\u63d2\u5165\u6578\u64da\u4ee5\u53ca\u4f7f\u7528INSERT IGNORE\u907f\u514d\u91cd\u8907\u63d2\u5165\u3002\u9019\u4e9b\u8a9e\u53e5\u5728\u65e5\u5e38\u7684\u8cc7\u6599\u5eab\u64cd\u4f5c\u4e2d\u975e\u5e38\u5be6\u7528\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u8cc7\u6599\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u7279\u5225\u662f\u6211\u5011\u63d0\u4f9b\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u8f15\u9b06\u642d\u5efa\u548c\u7ba1\u7406\u60a8\u7684\u4f3a\u670d\u5668\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u4e09\u7a2e\u5e38\u898b\u7684SQL\u63d2\u5165\u8a9e\u53e5\uff0c\u638c\u63e1\u5982\u4f55\u6709\u6548\u5730\u5c07\u6578\u64da\u6dfb\u52a0\u5230\u8cc7\u6599\u5eab\u4e2d\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-180142","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180142","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=180142"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180142\/revisions"}],"predecessor-version":[{"id":180143,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180142\/revisions\/180143"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}