{"id":7761,"date":"2021-11-17T17:34:06","date_gmt":"2021-11-17T09:34:06","guid":{"rendered":"https:\/\/www.ldhost.cn\/jc\/?p=7761"},"modified":"2021-11-17T19:11:12","modified_gmt":"2021-11-17T11:11:12","slug":"%e9%80%9a%e8%bf%87update-replace-where-sql%e8%af%ad%e5%8f%a5%e5%9c%a8%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e6%89%b9%e9%87%8f%e6%9b%bf%e6%8d%a2%e5%86%85%e5%ae%b9","status":"publish","type":"post","link":"https:\/\/www.ldhost.cn\/jc\/mysql\/7761.html","title":{"rendered":"\u901a\u8fc7update replace where sql\u8bed\u53e5\u5728\u6570\u636e\u5e93\u4e2d\u6279\u91cf\u66ff\u6362\u5185\u5bb9"},"content":{"rendered":"\n<p>\u4ee5\u4e0b\u662f\u4ee5\u6848\u4f8b\u6765\u8bf4\u660e\u5728\u6570\u636e\u5e93\u4e2d\u6279\u91cf\u66ff\u6362\u7684\u65b9\u6cd5\uff0c\u53ef\u4f9b\u83dc\u9e1f\u53c2\u8003\u5b66\u4e60\uff0c\u4f46\u4e0d\u80fd\u6b7b\u677f\u786c\u5957\uff0c\u9700\u8981\u6839\u636e\u81ea\u5df2\u6570\u636e\u5e93\u8868\u540d\u79f0\u3001\u5b57\u6bb5\u540d\u548c\u66ff\u6362\u76ee\u7684\u8981\u6c42\u505a\u8c03\u6574\u3002<\/p>\n\n\n\n<p>\u66ff\u6362\u76ee\u7684\u548c\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p>\u4e00\u3001\u76ee\u7684<\/p>\n\n\n\n<p>\u53cc11\u6765\u4e34\u65f6\uff0c\u6211\u4eec\u60f3\u7ed9<a rel=\"noreferrer noopener\" href=\"https:\/\/www.ldhost.cn\/\" target=\"_blank\">\u4e50\u9053\u4e3b\u673a<\/a>\u7684\u6240\u6709\u4f1a\u5458\u901a\u8fc7\u4f1a\u5458\u6ce8\u518c\u90ae\u7bb1\u53d1\u9001\u53cc11<a rel=\"noreferrer noopener\" href=\"https:\/\/www.ldhost.cn\/vps.html\" target=\"_blank\">\u670d\u52a1\u5668<\/a>\u4f18\u60e0\u6d3b\u52a8\u90ae\u4ef6\uff0c\u4f1a\u5458\u6709\u51e0\u4e07\u4e2a\uff0c\u4e0d\u53ef\u80fd\u4e00\u6b21\u7ed9\u6240\u6709\u4f1a\u5458\u53d1\u90ae\u4ef6\uff0c\u56e0\u4e3a\u90ae\u4ef6\u5185\u5bb9\u76f8\u540c\u4e14\u5e26\u5e7f\u544a\u6027\u8d28\uff0c\u4e00\u6b21\u6279\u91cf\u53d1\u51e0\u4e07\u90ae\u4ef6\u5f88\u5bb9\u6613\u88ab\u5bf9\u65b9\u90ae\u7bb1\u7cfb\u7edf\u62e6\u622a\u53d1\u4e0d\u8fc7\u53bb\uff0c\u8d77\u4e0d\u5230\u63a8\u5e7f\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u90a3\u5148\u8981\u5bf9\u6240\u6709\u4e50\u9053\u4e3b\u673a\u7684\u4f1a\u5458\u8fdb\u884c\u5206\u7ec4\uff0c\u6211\u4eec\u7684\u4f1a\u5458\u7cfb\u7edf\u652f\u6301\u521b\u5efa\u5206\u7ec4\uff0c\u6211\u8981\u628a\u51e0\u4e07\u4e2a\u4f1a\u5458\u6bcf\u6210\u51e0\u7ec4\uff0c\u5982\u5c065\u4e07\u4f1a\u5458\u5206\u621010\u7ec4\uff0c\u6bcf\u7ec4\u5927\u7ea65000\u4eba\u5de6\u53f3\uff0c\u5728\u53d1\u63a8\u5e7f\u90ae\u4ef6\u65f6\u662f\u6309\u4e00\u7ec4\u7ec4\u7684\u53bb\u53d1\u90ae\u4ef6\uff0c\u53ef\u4ee5\u6362\u4e0d\u540c\u90ae\u4ef6\u540d\u53bb\u53d1\u7ed9\u6bcf\u7ec4\uff0c\u8fd9\u6837\u4e0d\u5bb9\u6613\u88ab\u62e6\u622a\u3002<\/p>\n\n\n\n<p>\u5982\u8981\u624b\u52a8\u7ed9\u6bcf\u4e2a\u4f1a\u5458\u53bb\u5206\u7ec4\uff0c\u5de5\u4f5c\u91cf\u592a\u5927\uff0c\u4e00\u4e2a\u4eba\u9700\u8981\u51e0\u5929\u624d\u80fd\u5206\u7ec4\u5b8c\u6210\uff0c\u5de5\u4f5c\u4e5f\u5f88\u67af\u71e5\u3002<\/p>\n\n\n\n<p>\u8fd9\u65f6\u9700\u8981\u5728phpmyadmin \u6216 Navicat for MySQL\u6570\u636e\u5e93\u8868\u4e2d\u53bb\u6279\u91cf\u66ff\u6362\u5206\u7ec4\u5c31\u5f88\u5bb9\u6613\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-1.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"884\" src=\"https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-1-1024x884.png\" alt=\"\" class=\"wp-image-7762\" srcset=\"https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-1-1024x884.png 1024w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-1-300x259.png 300w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-1-150x130.png 150w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-1-768x663.png 768w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-1.png 1042w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>\u6211\u7684\u6240\u6709\u4f1a\u5458\u90fd\u8bb0\u5f55\u5728\uff1atblclients \u8fd9\u4e2a\u6570\u636e\u5e93\u8868\u5185\u3002<\/p>\n\n\n\n<p>\u6709\u51e0\u4e2a\u91cd\u8981\u7684\u5b57\u6bb5\u540d\uff1aid  \u3001datecreated\u3001groupid<\/p>\n\n\n\n<p>\u672c\u6765\u6211\u662f\u53ef\u4ee5\u7528\u5b57\u6bb5id\u901a\u8fc7sql\u8bed\u53e5\u6279\u91cf\u66ff\u6362\u5206\u7ec4\uff0c\u4f46\u56e0\u6709\u4e9b\u6ce8\u518c\u4f1a\u5458\u88ab\u4eba\u5de5\u5220\u9664\uff0c\u5bfc\u81f4id\u4e0d\u8fde\u7eed\u6709\u4e22\u5931\uff0c\u5c31\u6ca1\u6709\u901a\u8fc7id\u53bb\u5206\u7ec4\uff0c\u4f46\u5b9e\u9645\u4e5f\u662f\u53ef\u4ee5\u7528id\u5206\u7ec4\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u4e8c\u79cd\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5b9e\u73b0\u6211\u4eec\u7684\u76ee\u7684\u3002<\/p>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color\"><strong>\u65b9\u6cd5\u4e00\u3001\u5148\u521b\u5efa\u5206\u7ec4\uff0c\u5728\u901a\u8fc7id\u628a\u6240\u6709\u4f1a\u5458\u5206\u914d\u5230\u5404\u5206\u7ec4\u5185\u3002<\/strong><\/p>\n\n\n\n<p>\u5148\u5728\u6211\u7684\u7f51\u7ad9\u540e\u53f0\u7ba1\u7406\u4e2d\u521b\u5efa10\u4e2a\u5206\u7ec4\uff0c\u5982\u540d\u79f0\u4e3a\uff1a\u63a8\u5e7f1\u7ec4\u3001 \u63a8\u5e7f 2\u7ec4&#8230;&#8230;. \u63a8\u5e7f10\u7ec4\uff0c\u521b\u5efa\u597d\u540e\uff0c\u628a\u4efb\u4e00\u4e2a\u4f1a\u5458\u5e10\u6237\u653e\u5728\uff1a \u63a8\u5e7f1\u7ec4 \u91cc\u4f1a\u5728\u6570\u636e\u5e93tblclients\u8868\u91cc\u7684groupid\u5b57\u6bb5\u4f1a\u663e\u793a\u8be5\uff1a\u63a8\u5e7f1\u7ec4 \u5bf9\u5e94\u7684\u6570\u503c\uff0c\u5982\u4e0a\u56fe\u4e2d\uff0c groupid\u6570\u503c0\uff0c\u4ee3\u8868\u6240\u6709\u4f1a\u5458\u6ca1\u6709\u5206\u7ec4\u4e0b\u662f0\uff0c \u63a8\u5e7f1\u7ec4\u6570\u503c\u662f1\u3001 \u63a8\u5e7f1\u7ec4\u6570\u503c\u662f2\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"315\" src=\"https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-update-1024x315.png\" alt=\"\" class=\"wp-image-7765\" srcset=\"https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-update-1024x315.png 1024w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-update-300x92.png 300w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-update-150x46.png 150w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-update-768x236.png 768w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-update-1536x472.png 1536w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-update.png 1669w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5728phpmyadmin\u7ba1\u7406\u4e2d\u4f7f\u7528\u4ee5\u4e0bSQL\u8bed\u53e5\uff1a<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color\">UPDATE <code>tblclients<\/code> SET <code>groupid<\/code> = replace(<code>groupid<\/code>,0,1) where id  &gt;= 5000<\/p>\n\n\n\n<p><code>tblclients<\/code>\u662f\u6570\u636e\u5e93\u8868\uff0c\u8981\u6539\u6210\u4f60\u81ea\u5df2\u7684\uff0c UPDATE  SET replace\u662fSQL\u8bed\u53e5\u547d\u4ee4\uff0c\u8fd9\u6bb5sql\u8bed\u53e5\u610f\u601d\u662f\uff0c\u628a\u5927\u4e8e5000\u7684id\u4f1a\u5458\u66ff\u6362\u5230\uff1a \u63a8\u5e7f1\u7ec4 \u91cc\uff0c <code>groupid<\/code>,0,1 \u8fd9\u513f\u4ee3\u8868\u628a\u6ca1\u6709\u5206\u7ec4\u7684\u4f1a\u5458\u79fb\u5230\uff1a \u63a8\u5e7f1\u7ec4\u91cc\uff0c \u73b0\u5728\u63a8\u5e7f1\u7ec4\u91cc\u4f1a\u67094.5\u4e07\u4e2a\u4f1a\u5458\u3002<\/p>\n\n\n\n<p>\u7ee7\u7eed\u6267\u884c\uff1a UPDATE <code>tblclients<\/code> SET <code>groupid<\/code> = replace(<code>groupid<\/code>,1,2) where id  &gt;= 10000 <\/p>\n\n\n\n<p>\u8fd9\u53e5\u610f\u601d\u662f\u4ece\uff1a \u63a8\u5e7f1\u7ec4 \u91cc\u628aid\u5927\u4e8e10000\u7684\u4f1a\u5458\u79fb\u5230\uff1a \u63a8\u5e7f2\u7ec4 \u91cc\uff0c\u73b0\u5728 \u63a8\u5e7f1\u7ec4 \u91cc\u52695000\u4e2a\u4f1a\u5458\uff0c \u63a8\u5e7f2\u7ec4 \u91cc\u67094\u4e07\u4e2a\u4f1a\u5458\u3002<\/p>\n\n\n\n<p> \u7ee7\u7eed\u6267\u884c\uff1a UPDATE <code>tblclients<\/code> SET <code>groupid<\/code> = replace(<code>groupid<\/code>,2,3) where id  &gt;= 15000  <\/p>\n\n\n\n<p> \u8fd9\u53e5\u610f\u601d\u662f\u4ece\uff1a \u63a8\u5e7f2\u7ec4 \u91cc\u628aid\u5927\u4e8e15000\u7684\u4f1a\u5458\u79fb\u5230\uff1a \u63a8\u5e7f2\u7ec4 \u91cc\uff0c\u73b0\u5728 \u63a8\u5e7f2\u7ec4 \u91cc\u52695000\u4e2a\u4f1a\u5458\uff0c \u63a8\u5e7f3\u7ec4 \u91cc\u67093.5\u4e07\u4e2a\u4f1a\u5458\u3002 <\/p>\n\n\n\n<p>\u4ee5\u6b64\u7c7b\u63a8\uff0c\u76f4\u5230\u5728 \u63a8\u5e7f9\u7ec4 \u91cc\u67095000\u4e2a\u4f1a\u5458\uff0c\u5728\u628a\u6ca1\u6709\u5206\u7ec40\u7684\u79fb\u52a8\u5230\uff1a \u63a8\u5e7f10\u7ec4 \u91cc\u3002<\/p>\n\n\n\n<p> UPDATE <code>tblclients<\/code> SET <code>groupid<\/code> = replace(<code>groupid<\/code>,0,10)<\/p>\n\n\n\n<p>\u51e0\u6b21\u64cd\u4f5c\u4e0b\u6765\uff0c \u63a8\u5e7f1\u7ec4 \u5230 \u63a8\u5e7f10\u7ec4 \u91cc\uff0c\u5927\u7ea6\u6bcf\u4e2a\u7ec4\u91cc\u9762\u67095000\u4e2a\u5de6\u53f3\u7684\u4f1a\u5458\u3002<\/p>\n\n\n\n<p class=\"has-vivid-cyan-blue-color has-text-color\"><strong>\u65b9\u6cd5\u4e8c\u3001 \u5148\u521b\u5efa\u5206\u7ec4\uff0c\u5728\u901a\u8fc7\u4f1a\u5458\u6ce8\u518c\u7684\u65f6\u95f4\u5206\u7ec4\u3002<\/strong><\/p>\n\n\n\n<p> UPDATE <code>tblclients<\/code> SET <code>groupid<\/code> = replace(<code>groupid<\/code>,0,1) where datecreated &lt;= &#8216;2015-12-30&#8217;<\/p>\n\n\n\n<p>\u8fd9\u53e5\u610f\u601d\u662f\u628a2015-12-30\u65e5\u524d\u6ce8\u518c\u7684\u4f1a\u5458\u90fd\u79fb\u5230\uff1a \u63a8\u5e7f1\u7ec4 \u91cc\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\u6ca1\u6709\u5206\u7ec40\u91cc\u5269\u4e0b2015\u5e7412\u670830\u65e5\u4e4b\u540e\u6ce8\u518c\u7684\u4f1a\u5458\uff0c<\/p>\n\n\n\n<p>\u7ee7\u7eed\u6267\u884c  UPDATE <code>tblclients<\/code> SET <code>groupid<\/code> = replace(<code>groupid<\/code>,0,2) where datecreated &lt;= &#8216;2016-12-30&#8217; <\/p>\n\n\n\n<p> \u8fd9\u53e5\u610f\u601d\u662f\u628a2016-12-30\u65e5\u524d\u6ce8\u518c\u7684\u4f1a\u5458\u90fd\u79fb\u5230\uff1a \u63a8\u5e7f2\u7ec4 \u91cc\u3002 <\/p>\n\n\n\n<p> \u4ee5\u6b64\u7c7b\u63a8\uff0c\u76f4\u5230\u4eca\u59292021\u5e7411\u6708\u4e4b\u524d\u6ce8\u518c\u7684\u4f1a\u5458\u79fb\u52a8\u5230\u4f60\u60f3\u653e\u7684\u4f1a\u5458\u5206\u7ec4\u91cc\u3002<\/p>\n\n\n\n<p> datecreated\u662f\u6570\u636e\u5e93 <code>tblclients<\/code> \u4e2d\u7684\u4f1a\u5458\u6ce8\u518c\u65f6\u95f4\u5b57\u6bb5\u540d\uff0cwhere\u662f\u6761\u4ef6\u8bed\u53e5\uff0c\u6309\u5b9e\u9645\u60c5\u51b5\uff0c\u4e5f\u53ef\u4ee5\u7528 where datecreated &gt;= &#8216;2016-12-30&#8217;  \uff0c\u4ee3\u88682016\u5e7412\u670830\u65e5\u4e4b\u540e\u6ce8\u518c\u7684\u4f1a\u5458\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-id.png\"><img loading=\"lazy\" decoding=\"async\" width=\"919\" height=\"833\" src=\"https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-id.png\" alt=\"\" class=\"wp-image-7766\" srcset=\"https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-id.png 919w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-id-300x272.png 300w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-id-150x136.png 150w, https:\/\/www.ldhost.cn\/jc\/wp-content\/uploads\/2021\/11\/phpmyadmin-id-768x696.png 768w\" sizes=\"auto, (max-width: 919px) 100vw, 919px\" 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