{"id":3552,"date":"2022-08-11T13:10:20","date_gmt":"2022-08-11T13:10:20","guid":{"rendered":"http:\/\/kevinbk.com\/?p=3552"},"modified":"2022-08-11T14:49:28","modified_gmt":"2022-08-11T14:49:28","slug":"filtrar-por-colunas-identicas-em-bancos-de-dado-com-sql-query","status":"publish","type":"post","link":"https:\/\/kevinbk.com\/zh\/%e7%94%a8-sql-%e6%9f%a5%e8%af%a2%e5%9c%a8%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e6%8c%89%e7%9b%b8%e5%90%8c%e5%88%97%e8%bf%87%e6%bb%a4\/","title":{"rendered":"\u4f7f\u7528 SQL \u67e5\u8be2\u6309\u6570\u636e\u5e93\u4e2d\u7684\u76f8\u540c\u5217\u8fc7\u6ee4"},"content":{"rendered":"

\u5bfb\u627e\u4e00\u79cd\u6309\u76f8\u540c\u5217\u4ece SQL\u3001MySQL \u6216 MariaDB \u6570\u636e\u5e93\u8868\u4e2d\u8fc7\u6ee4\u884c\u7684\u65b9\u6cd5\uff1f\u5bfb\u627e\u8981\u5728\u63a7\u5236\u53f0\u4e0a\u64ad\u653e\u7684\u67e5\u8be2\uff1f <\/p>\n\n\n\n

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\u6211\u7ecf\u5e38\u4f7f\u7528 Navicat \u7a0b\u5e8f\u7f16\u8f91\u6570\u636e\u5e93\uff0c\u5b83\u975e\u5e38\u5feb\u901f\u548c\u65b9\u4fbf\uff0c\u6b64\u5916\u8fd8\u5141\u8bb8\u60a8\u7f16\u8f91\u884c\u548c\u5217\uff0c\u4e0e Microsoft Excel \u6216 Apple Numbers \u4e00\u6837\u81ea\u7531\u3002<\/p>\n\n\n\n

\u5927\u591a\u6570\u4eba\u4f7f\u7528 PhpmyAdmin \u6765\u7ba1\u7406\u4ed6\u4eec\u7f51\u7ad9\u7684\u6570\u636e\u5e93\u3002\u4e24\u8005\u90fd\u5141\u8bb8\u60a8\u901a\u8fc7 SQL \u6216 Query \u9009\u9879\u5361\u8fd0\u884c\u811a\u672c\u3002 <\/p>\n\n\n\n

\u4f7f\u7528 SQL \u67e5\u8be2\u8fc7\u6ee4<\/h2>\n\n\n\n

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\u6211\u5728\u6570\u636e\u5e93\u4e2d\u7684\u4f7f\u7528\u5b8c\u5168\u662f\u5220\u9664\u884c\uff0c\u67e5\u627e\u6587\u672c\u5e76\u4f7f\u7528 \u641c\u7d22\u548c\u66ff\u6362<\/strong><\/em>\uff0c\u6211\u4e0d\u77e5\u9053 SQL \u4ee3\u7801\u8d85\u7ea7\u6709\u7528\u3002 <\/p>\n\n\n\n

\u6211\u4eb2\u81ea\u4f7f\u7528\u8fd9\u4e9b\u4ee3\u7801\u6765\u68c0\u67e5\u7ffb\u8bd1\u9519\u8bef\u5e76\u5728\u6570\u636e\u5e93\u8868\u4e2d\u627e\u5230\u672a\u7ffb\u8bd1\u7684\u884c \u7ffb\u8bd1\u51fa\u7248\u793e<\/a>. <\/p>\n\n\n

\n
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SQL\u67e5\u8be2\u4ee3\u7801<\/strong><\/h3>\n\n\n\n

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  • \u4ece\u4e0d\u540c\u7684\u5217\u4e2d\u627e\u5230\u76f8\u7b49\u7684\u884c\uff1b<\/li>
  • \u4ece\u4e0d\u540c\u7684\u5217\u4e2d\u627e\u5230\u4e0d\u540c\u7684\u884c\uff1b<\/li>
  • \u5728\u4e24\u5217\u4e2d\u67e5\u627e\u76f8\u540c\u7684\u5185\u5bb9\uff1b <\/li><\/ul>\n\n\n\n
    SELECT * FROM `databasename`.`tablename` WHERE colum01 = colum02 ORDER BY `id` LIMIT 500 OFFSET 0; <\/code><\/pre>\n\n\n\n
    \u6211\u4eec\u521a\u521a\u770b\u5230\u7684\u4ee3\u7801\u4f7f\u7528 \u5176\u4e2dcolum01 = colum02<\/strong> \u5728\u4e24\u5217\u4e2d\u663e\u793a\u5177\u6709\u76f8\u540c\u7ed3\u679c\u7684\u884c\u3002\u5982\u679c\u9700\u8981\uff0c\u53ef\u4ee5\u5c06\u4ee3\u7801\u6269\u5c55\u5230\u66f4\u591a\u5217\u3002 <\/p>\n\n\n\n
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    SELECT * FROM `databasename`.`tablename` WHERE colum01 = colum02 AND (`colum01` LIKE '%text%') ORDER BY `id` LIMIT 500 OFFSET 0; <\/code><\/pre>\n\n\n\n
    \u540e \u548c<\/strong> \u6211\u4eec\u5728\u62ec\u53f7\u4e2d\u6709\u4e00\u4e2a\u4ee3\u7801\uff0c\u5b83\u53ea\u8fc7\u6ee4\u7b2c 01 \u5217\u4e2d\u7684\u6587\u672c\u3002 \u559c\u6b22<\/strong> \u67e5\u627e\u5305\u542b\u8fc7\u6ee4\u503c\u7684\u884c\u6216 \u4e0d\u559c\u6b22<\/strong> \u67e5\u627e\u4e0d\u5305\u542b\u8be5\u503c\u7684\u884c\u3002 <\/p>\n\n\n\n
    \u53ef\u4ee5\u4f7f\u7528 AND \u548c\u5176\u4ed6\u4ee3\u7801\u8fdb\u4e00\u6b65\u6269\u5c55\u8be5\u811a\u672c\u3002\u73b0\u5728\u5b8c\u6210\u6211\u4eec\u5c06\u663e\u793a\u53e6\u4e00\u4e2a\u4ee3\u7801\uff0c\u4f46\u4e0d\u662f\u663e\u793a\u5177\u6709\u76f8\u7b49\u503c\u7684\u884c\uff0c\u800c\u662f\u663e\u793a\u5177\u6709\u4e0d\u540c\u503c\u7684\u884c\u4f7f\u7528 !=<\/strong>. <\/p>\n\n\n\n
    SELECT * FROM `databasename`.`tablename` WHERE colum01 != colum02 ORDER BY `id` LIMIT 500 OFFSET 0; <\/code><\/pre>\n\n\n\n
    \u5e0c\u671b\u8fd9\u6bb5\u4ee3\u7801\u53ef\u4ee5\u5e2e\u52a9\u60a8\u771f\u6b63\u8fc7\u6ee4\u548c\u641c\u7d22\u4f7f\u7528\u5e38\u89c4\u8fc7\u6ee4\u5668\u4ece\u5355\u72ec\u7684\u5217\u4e2d\u5177\u6709\u76f8\u540c\u6216\u4e0d\u540c\u503c\u7684\u884c \u559c\u6b22\u548c\u4e0d\u559c\u6b22<\/strong>. <\/p>","protected":false},"excerpt":{"rendered":"
    \u6b63\u5728\u5bfb\u627e\u4e00\u79cd\u6309\u76f8\u540c\u5217\u4ece SQL\u3001MySQL \u6216 MySQL \u6570\u636e\u5e93\u8868\u4e2d\u8fc7\u6ee4\u884c\u7684\u65b9\u6cd5\uff1f<\/p>","protected":false},"author":1,"featured_media":2551,"comment_status":"open","ping_status":" ","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/kevinbk.com\/wp-content\/uploads\/2021\/01\/banco-de-dados.png","_links":{"self":[{"href":"https:\/\/kevinbk.com\/zh\/wp-json\/wp\/v2\/posts\/3552"}],"collection":[{"href":"https:\/\/kevinbk.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kevinbk.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kevinbk.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kevinbk.com\/zh\/wp-json\/wp\/v2\/comments?post=3552"}],"version-history":[{"count":4,"href":"https:\/\/kevinbk.com\/zh\/wp-json\/wp\/v2\/posts\/3552\/revisions"}],"predecessor-version":[{"id":3557,"href":"https:\/\/kevinbk.com\/zh\/wp-json\/wp\/v2\/posts\/3552\/revisions\/3557"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kevinbk.com\/zh\/wp-json\/wp\/v2\/media\/2551"}],"wp:attachment":[{"href":"https:\/\/kevinbk.com\/zh\/wp-json\/wp\/v2\/media?parent=3552"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kevinbk.com\/zh\/wp-json\/wp\/v2\/categories?post=3552"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}