{"id":75968,"date":"2024-10-16T02:45:15","date_gmt":"2024-10-15T18:45:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/75968\/"},"modified":"2024-10-16T02:45:15","modified_gmt":"2024-10-15T18:45:15","slug":"mysql-%e5%88%86%e9%a0%81%e5%84%aa%e5%8c%96%e4%b8%ad%e7%9a%84-inner-join%e6%96%b9%e5%bc%8f%e5%84%aa%e5%8c%96%e5%88%86%e9%a0%81%e7%ae%97%e6%b3%95-%e5%88%b0%e5%ba%95%e5%9c%a8%e4%bb%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/75968\/","title":{"rendered":"MySQL \u5206\u9801\u512a\u5316\u4e2d\u7684 \u201c INNER JOIN\u65b9\u5f0f\u512a\u5316\u5206\u9801\u7b97\u6cd5 \u201d \u5230\u5e95\u5728\u4ec0\u9ebc\u60c5\u6cc1\u4e0b\u6703\u751f\u6548\uff1f"},"content":{"rendered":"<h1 id=\"mysql-%e5%88%86%e9%a0%81%e5%84%aa%e5%8c%96%e4%b8%ad%e7%9a%84-inner-join%e6%96%b9%e5%bc%8f%e5%84%aa%e5%8c%96%e5%88%86%e9%a0%81%e7%ae%97%e6%b3%95-%e5%88%b0%e5%ba%95%e5%9c%a8%e4%bb%80-MaNaGlsngO\">MySQL \u5206\u9801\u512a\u5316\u4e2d\u7684 \u201cINNER JOIN\u65b9\u5f0f\u512a\u5316\u5206\u9801\u7b97\u6cd5\u201d \u5230\u5e95\u5728\u4ec0\u9ebc\u60c5\u6cc1\u4e0b\u6703\u751f\u6548\uff1f<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u512a\u5316\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002MySQL \u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u67e5\u8a62\u512a\u5316\u6280\u8853\uff0c\u5176\u4e2d\u5206\u9801\u67e5\u8a62\u7684\u512a\u5316\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4f7f\u7528 INNER JOIN \u65b9\u5f0f\u512a\u5316\u5206\u9801\u7b97\u6cd5\u7684\u60c5\u6cc1\u53ca\u5176\u6548\u679c\u3002<\/p>\n<h2 id=\"%e5%88%86%e9%a0%81%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-MaNaGlsngO\">\u5206\u9801\u67e5\u8a62\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5206\u9801\u67e5\u8a62\u901a\u5e38\u7528\u65bc\u986f\u793a\u5927\u91cf\u6578\u64da\u7684\u60c5\u6cc1\uff0c\u4f8b\u5982\u5728\u7db2\u9801\u4e0a\u986f\u793a\u7528\u6236\u5217\u8868\u6216\u7522\u54c1\u76ee\u9304\u3002\u57fa\u672c\u7684\u5206\u9801\u67e5\u8a62\u901a\u5e38\u4f7f\u7528 LIMIT \u548c OFFSET \u4f86\u63a7\u5236\u8fd4\u56de\u7684\u6578\u64da\u884c\u6578\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM products LIMIT 10 OFFSET 20;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u5f9e\u7b2c 21 \u884c\u958b\u59cb\u7684 10 \u689d\u7522\u54c1\u6578\u64da\u3002\u7136\u800c\uff0c\u7576\u6578\u64da\u91cf\u589e\u5927\u6642\uff0c\u9019\u7a2e\u67e5\u8a62\u65b9\u5f0f\u7684\u6027\u80fd\u6703\u986f\u8457\u4e0b\u964d\uff0c\u56e0\u70ba\u6578\u64da\u5eab\u9700\u8981\u8df3\u904e\u5927\u91cf\u7684\u884c\u4f86\u627e\u5230\u6240\u9700\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"inner-join-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-MaNaGlsngO\">INNER JOIN \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>INNER JOIN \u662f\u4e00\u7a2e\u7528\u65bc\u5f9e\u591a\u500b\u8868\u4e2d\u9078\u64c7\u6578\u64da\u7684 SQL \u64cd\u4f5c\u3002\u5b83\u53ea\u8fd4\u56de\u5728\u6240\u6709\u53c3\u8207\u7684\u8868\u4e2d\u90fd\u5b58\u5728\u7684\u884c\u3002\u9019\u5728\u9700\u8981\u5f9e\u591a\u500b\u8868\u4e2d\u7372\u53d6\u76f8\u95dc\u6578\u64da\u6642\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT users.name, orders.amount \nFROM users \nINNER JOIN orders ON users.id = orders.user_id;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u7528\u6236\u53ca\u5176\u8a02\u55ae\u91d1\u984d\u7684\u5217\u8868\u3002<\/p>\n<h2 id=\"inner-join-%e6%96%b9%e5%bc%8f%e5%84%aa%e5%8c%96%e5%88%86%e9%a0%81%e7%ae%97%e6%b3%95%e7%9a%84%e6%83%85%e6%b3%81-MaNaGlsngO\">INNER JOIN \u65b9\u5f0f\u512a\u5316\u5206\u9801\u7b97\u6cd5\u7684\u60c5\u6cc1<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528 INNER JOIN \u4f86\u512a\u5316\u5206\u9801\u67e5\u8a62\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u91cf\u9f90\u5927\uff1a<\/strong>\u7576\u6d89\u53ca\u7684\u8868\u6578\u64da\u91cf\u975e\u5e38\u9f90\u5927\u6642\uff0c\u4f7f\u7528 INNER JOIN \u53ef\u4ee5\u6e1b\u5c11\u9700\u8981\u8655\u7406\u7684\u6578\u64da\u884c\u6578\u3002\u4f8b\u5982\uff0c\u901a\u904e\u5148\u904e\u6ffe\u51fa\u7b26\u5408\u689d\u4ef6\u7684\u884c\uff0c\u518d\u9032\u884c\u5206\u9801\u67e5\u8a62\uff0c\u53ef\u4ee5\u6e1b\u5c11\u67e5\u8a62\u7684\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u95dc\u806f\u6027\u5f37\u7684\u6578\u64da\uff1a<\/strong>\u5982\u679c\u67e5\u8a62\u7684\u6578\u64da\u4e4b\u9593\u6709\u5f37\u95dc\u806f\uff0c\u4f7f\u7528 INNER JOIN \u53ef\u4ee5\u5728\u4e00\u6b21\u67e5\u8a62\u4e2d\u7372\u53d6\u6240\u9700\u7684\u6240\u6709\u6578\u64da\uff0c\u5f9e\u800c\u6e1b\u5c11\u591a\u6b21\u67e5\u8a62\u7684\u958b\u92b7\u3002<\/li>\n<li><strong>\u7d22\u5f15\u7684\u6709\u6548\u5229\u7528\uff1a<\/strong>\u7576\u8868\u4e2d\u6709\u9069\u7576\u7684\u7d22\u5f15\u6642\uff0cINNER JOIN \u53ef\u4ee5\u5229\u7528\u9019\u4e9b\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\u904e\u7a0b\uff0c\u7279\u5225\u662f\u5728\u5927\u6578\u64da\u96c6\u4e0a\u9032\u884c\u5206\u9801\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8-inner-join-%e9%80%b2%e8%a1%8c%e5%88%86%e9%a0%81%e6%9f%a5%e8%a9%a2-MaNaGlsngO\">\u793a\u4f8b\uff1a\u4f7f\u7528 INNER JOIN \u9032\u884c\u5206\u9801\u67e5\u8a62<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 INNER JOIN \u9032\u884c\u5206\u9801\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT users.name, orders.amount \nFROM users \nINNER JOIN orders ON users.id = orders.user_id \nWHERE orders.status = 'completed' \nORDER BY orders.created_at DESC \nLIMIT 10 OFFSET 0;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5df2\u5b8c\u6210\u8a02\u55ae\u7684\u7528\u6236\u540d\u7a31\u548c\u91d1\u984d\uff0c\u4e26\u4e14\u53ea\u986f\u793a\u524d 10 \u689d\u7d50\u679c\u3002\u9019\u6a23\u7684\u67e5\u8a62\u65b9\u5f0f\u80fd\u5920\u6709\u6548\u5730\u904e\u6ffe\u6578\u64da\uff0c\u4e26\u4e14\u5728\u6578\u64da\u91cf\u9f90\u5927\u7684\u60c5\u6cc1\u4e0b\u4ecd\u80fd\u4fdd\u6301\u826f\u597d\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-MaNaGlsngO\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0c\u4f7f\u7528 INNER JOIN \u65b9\u5f0f\u512a\u5316\u5206\u9801\u7b97\u6cd5\u5728\u7279\u5b9a\u60c5\u6cc1\u4e0b\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u91cf\u9f90\u5927\u3001\u6578\u64da\u4e4b\u9593\u95dc\u806f\u6027\u5f37\u4ee5\u53ca\u7d22\u5f15\u6709\u6548\u5229\u7528\u7684\u60c5\u6cc1\u4e0b\u3002\u901a\u904e\u5408\u7406\u8a2d\u8a08\u67e5\u8a62\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u67b6\u69cb\u548c\u512a\u5316\u7b56\u7565\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u82e5\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u53ca\u5176\u6578\u64da\u5eab\u6027\u80fd\u512a\u5316\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u9032\u4e00\u6b65\u4e86\u89e3\u6211\u5011\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u8a0e MySQL \u5206\u9801\u512a\u5316\u4e2d\uff0cINNER JOIN\u65b9\u5f0f\u5982\u4f55\u63d0\u5347\u5206\u9801\u7b97\u6cd5\u6548\u80fd\uff0c\u9069\u7528\u65bc\u7279\u5b9a\u67e5\u8a62\u60c5\u5883\u8207\u6578\u64da\u7d50\u69cb\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-75968","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75968","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=75968"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75968\/revisions"}],"predecessor-version":[{"id":75969,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/75968\/revisions\/75969"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=75968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=75968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=75968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}