{"id":199651,"date":"2025-05-06T08:20:06","date_gmt":"2025-05-06T00:20:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199651\/"},"modified":"2025-05-06T08:20:06","modified_gmt":"2025-05-06T00:20:06","slug":"sql%e4%b8%ad%e7%9a%84minus%e6%93%8d%e4%bd%9c%e7%ac%a6%e7%9a%84%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199651\/","title":{"rendered":"SQL\u4e2d\u7684MINUS\u64cd\u4f5c\u7b26\u7684\u7528\u6cd5"},"content":{"rendered":"

<\/b> <\/p>\n

SQL\u4e2d\u7684MINUS\u64cd\u4f5c\u7b26\u7684\u7528\u6cd5<\/h1>\n

\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762\u4e3b\u673a\u5b9d\u8d1d\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300aSQL\u4e2d\u7684MINUS\u64cd\u4f5c\u7b26\u7684\u7528\u6cd5\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n

SQL\u4e2dMINUS\u7684\u7528\u6cd5\u53ca\u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/p>\n

\u5728SQL\u4e2d\uff0cMINUS\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u4e24\u4e2a\u7ed3\u679c\u96c6\u4e4b\u95f4\u6267\u884c\u5dee\u96c6\u64cd\u4f5c\u7684\u8fd0\u7b97\u7b26\u3002\u5b83\u7528\u4e8e\u4ece\u7b2c\u4e00\u4e2a\u7ed3\u679c\u96c6\u4e2d\u5220\u9664\u4e0e\u7b2c\u4e8c\u4e2a\u7ed3\u679c\u96c6\u4e2d\u76f8\u540c\u7684\u884c\u3002MINUS\u64cd\u4f5c\u7b26\u8fd4\u56de\u7684\u7ed3\u679c\u96c6\u5c06\u5305\u542b\u4ec5\u5b58\u5728\u4e8e\u7b2c\u4e00\u4e2a\u7ed3\u679c\u96c6\u4e2d\u7684\u884c\u3002<\/p>\n

\u4e0b\u9762\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793aMINUS\u7684\u7528\u6cd5\uff1a<\/p>\n

\u5047\u8bbe\u6709\u4e24\u4e2a\u8868- “table1″\u548c “table2″\uff0c\u5b83\u4eec\u7684\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n

\u8868\u540d\uff1atable1
\u5b57\u6bb5\uff1aID (\u6574\u6570)\u3001Name (\u5b57\u7b26\u4e32)\u3001Age (\u6574\u6570)<\/p>\n

\u8868\u540d\uff1atable2
\u5b57\u6bb5\uff1aID (\u6574\u6570)\u3001Name (\u5b57\u7b26\u4e32)\u3001Age (\u6574\u6570)<\/p>\n

\u73b0\u5728\u6211\u4eec\u9700\u8981\u627e\u51fa\u5728table1\u4e2d”ID”\u548c”Age”\u5b57\u6bb5\u7684\u503c\u4e0d\u5728table2\u4e2d\u5bf9\u5e94\u5b57\u6bb5\u503c\u7684\u884c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528MINUS\u64cd\u4f5c\u7b26\u6765\u5b9e\u73b0\u8fd9\u4e2a\u76ee\u6807\u3002<\/p>\n

\u4ee3\u7801\u793a\u4f8b 1\uff1a<\/p>\n

SELECT ID, Age\nFROM table1\nMINUS\nSELECT ID, Age\nFROM table2;<\/pre>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4ecetable1\u4e2d\u9009\u62e9”ID”\u548c”Age”\u4e24\u4e2a\u5b57\u6bb5\uff0c\u7136\u540e\u4f7f\u7528MINUS\u64cd\u4f5c\u7b26\u6765\u51cf\u53bbtable2\u4e2d\u7684\u76f8\u540c\u5b57\u6bb5\u3002\u6700\u7ec8\u8fd4\u56de\u7684\u7ed3\u679c\u96c6\u5c06\u5305\u542b\u90a3\u4e9b\u4ec5\u5728table1\u4e2d\u5b58\u5728\u7684\u884c\u3002<\/p>\n
\u4ee3\u7801\u793a\u4f8b 2\uff1a<\/p>\n
SELECT ID, Name, Age\nFROM table1\nMINUS\n(\n    SELECT ID, Name, Age\n    FROM table2\n    WHERE Age > 30\n);<\/pre>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4ecetable1\u4e2d\u9009\u62e9”ID”\u3001”Name”\u548c”Age”\u4e09\u4e2a\u5b57\u6bb5\uff0c\u7136\u540e\u4f7f\u7528MINUS\u64cd\u4f5c\u7b26\u6765\u51cf\u53bbtable2\u4e2d\u6ee1\u8db3\u6307\u5b9a\u6761\u4ef6(Age > 30)\u7684\u884c\u3002\u8fd4\u56de\u7684\u7ed3\u679c\u96c6\u5c06\u5305\u542b\u90a3\u4e9b\u5728table1\u4e2d\u5b58\u5728\uff0c\u5e76\u4e14\u4e0d\u6ee1\u8db3\u6307\u5b9a\u6761\u4ef6\u7684\u884c\u3002<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cMINUS\u64cd\u4f5c\u7b26\u53ea\u4f1a\u5220\u9664\u91cd\u590d\u884c\uff0c\u800c\u4e0d\u4f1a\u5220\u9664\u91cd\u590d\u7684\u5217\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528MINUS\u64cd\u4f5c\u7b26\u65f6\uff0c\u7ed3\u679c\u96c6\u7684\u5217\u6570\u548c\u6570\u636e\u7c7b\u578b\u5fc5\u987b\u76f8\u540c\u3002<\/p>\n
\u603b\u7ed3\uff1a
MINUS\u64cd\u4f5c\u7b26\u662f\u4e00\u79cd\u5e38\u7528\u7684SQL\u64cd\u4f5c\u7b26\uff0c\u5b83\u7528\u4e8e\u83b7\u5f97\u4e24\u4e2a\u7ed3\u679c\u96c6\u4e4b\u95f4\u7684\u5dee\u96c6\u3002\u901a\u8fc7MINUS\u64cd\u4f5c\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u627e\u51fa\u90a3\u4e9b\u4ec5\u5b58\u5728\u4e8e\u4e00\u4e2a\u8868\u4e2d\uff0c\u800c\u4e0d\u5728\u53e6\u4e00\u4e2a\u8868\u4e2d\u7684\u884c\u3002\u5728\u4f7f\u7528MINUS\u64cd\u4f5c\u7b26\u65f6\uff0c\u6211\u4eec\u9700\u8981\u4fdd\u8bc1\u8981\u6bd4\u8f83\u7684\u5217\u6570\u548c\u6570\u636e\u7c7b\u578b\u76f8\u540c\uff0c\u4ee5\u786e\u4fdd\u64cd\u4f5c\u7684\u6b63\u786e\u6027\u3002<\/p>\n
\u5e0c\u671b\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\u80fd\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3SQL\u4e2dMINUS\u7684\u7528\u6cd5\u3002\u5982\u6709\u4efb\u4f55\u7591\u95ee\uff0c\u8bf7\u968f\u65f6\u5411\u6211\u4eec\u63d0\u95ee\u3002<\/p>\n
\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300aSQL\u4e2d\u7684MINUS\u64cd\u4f5c\u7b26\u7684\u7528\u6cd5\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6570\u636e\u5e93\u77e5\u8bc6\uff01<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
SQL\u4e2d\u7684MINUS\u64cd\u4f5c\u7b26\u7684\u7528\u6cd5...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199651","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199651","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199651"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199651\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}