{"id":156413,"date":"2024-11-02T20:34:22","date_gmt":"2024-11-02T12:34:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/156413\/"},"modified":"2024-11-02T20:34:23","modified_gmt":"2024-11-02T12:34:23","slug":"%e5%88%86%e5%ba%ab%e5%88%86%e8%a1%a8%e5%af%a6%e6%88%b0%ef%bc%9a%e5%b0%8f%e8%a9%a6%e7%89%9b%e5%88%80-%e5%8d%83%e8%90%ac%e7%b4%9a%e6%95%b8%e6%93%9a%e4%b9%8b-sql-%e5%84%aa%e5%8c%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/156413\/","title":{"rendered":"\u5206\u5eab\u5206\u8868\u5be6\u6230\uff1a\u5c0f\u8a66\u725b\u5200\u2014\u5343\u842c\u7d1a\u6578\u64da\u4e4b SQL \u512a\u5316"},"content":{"rendered":"<h1 id=\"%e5%88%86%e5%ba%ab%e5%88%86%e8%a1%a8%e5%af%a6%e6%88%b0%ef%bc%9a%e5%b0%8f%e8%a9%a6%e7%89%9b%e5%88%80-%e5%8d%83%e8%90%ac%e7%b4%9a%e6%95%b8%e6%93%9a%e4%b9%8b-sql-%e5%84%aa%e5%8c%96-mZKuZEmWIL\">\u5206\u5eab\u5206\u8868\u5be6\u6230\uff1a\u5c0f\u8a66\u725b\u5200\u2014\u5343\u842c\u7d1a\u6578\u64da\u4e4b SQL \u512a\u5316<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u6642\u4ee3\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u512a\u5316\u6210\u70ba\u4e86\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u6fc0\u589e\uff0c\u50b3\u7d71\u7684\u6578\u64da\u5eab\u67b6\u69cb\u5f80\u5f80\u7121\u6cd5\u6eff\u8db3\u9ad8\u6548\u67e5\u8a62\u548c\u6578\u64da\u8655\u7406\u7684\u9700\u6c42\u3002\u56e0\u6b64\uff0c\u5206\u5eab\u5206\u8868\u6280\u8853\u61c9\u904b\u800c\u751f\uff0c\u6210\u70ba\u89e3\u6c7a\u5927\u6578\u64da\u554f\u984c\u7684\u4e00\u7a2e\u6709\u6548\u624b\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e5%ba%ab%e5%88%86%e8%a1%a8%ef%bc%9f-mZKuZEmWIL\">\u4ec0\u9ebc\u662f\u5206\u5eab\u5206\u8868\uff1f<\/h2>\n<p>\u5206\u5eab\u5206\u8868\u662f\u6307\u5c07\u4e00\u500b\u5927\u578b\u6578\u64da\u5eab\u62c6\u5206\u6210\u591a\u500b\u5c0f\u578b\u6578\u64da\u5eab\uff08\u5206\u5eab\uff09\u548c\u591a\u500b\u5c0f\u578b\u6578\u64da\u8868\uff08\u5206\u8868\uff09\u7684\u904e\u7a0b\u3002\u9019\u6a23\u505a\u7684\u76ee\u7684\u662f\u70ba\u4e86\u63d0\u9ad8\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\u6548\u7387\uff0c\u6e1b\u5c11\u55ae\u4e00\u6578\u64da\u5eab\u7684\u8ca0\u64d4\uff0c\u4e26\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%88%86%e5%ba%ab%e5%88%86%e8%a1%a8%ef%bc%9f-mZKuZEmWIL\">\u70ba\u4ec0\u9ebc\u9700\u8981\u5206\u5eab\u5206\u8868\uff1f<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u55ae\u4e00\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6027\u80fd\u6703\u4e0b\u964d\u3002\u5206\u5eab\u5206\u8868\u53ef\u4ee5\u5c07\u67e5\u8a62\u8ca0\u8f09\u5206\u6563\u5230\u591a\u500b\u6578\u64da\u5eab\u548c\u6578\u64da\u8868\u4e0a\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>\u7576\u6578\u64da\u91cf\u6301\u7e8c\u589e\u9577\u6642\uff0c\u5206\u5eab\u5206\u8868\u53ef\u4ee5\u8f15\u9b06\u5730\u6dfb\u52a0\u65b0\u7684\u6578\u64da\u5eab\u6216\u6578\u64da\u8868\uff0c\u4ee5\u61c9\u5c0d\u4e0d\u65b7\u589e\u9577\u7684\u9700\u6c42\u3002<\/li>\n<li><strong>\u7dad\u8b77\u65b9\u4fbf\uff1a<\/strong>\u5c0f\u578b\u6578\u64da\u5eab\u548c\u6578\u64da\u8868\u7684\u7dad\u8b77\u76f8\u5c0d\u7c21\u55ae\uff0c\u6545\u969c\u6392\u67e5\u548c\u6578\u64da\u6062\u5fa9\u7684\u96e3\u5ea6\u4e5f\u6703\u964d\u4f4e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%88%86%e5%ba%ab%e5%88%86%e8%a1%a8%e7%9a%84%e5%af%a6%e6%96%bd%e6%ad%a5%e9%a9%9f-mZKuZEmWIL\">\u5206\u5eab\u5206\u8868\u7684\u5be6\u65bd\u6b65\u9a5f<\/h2>\n<p>\u5be6\u65bd\u5206\u5eab\u5206\u8868\u7684\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e5%88%86%e5%ba%ab%e5%88%86%e8%a1%a8%e7%9a%84%e7%ad%96%e7%95%a5-mZKuZEmWIL\">1. \u78ba\u5b9a\u5206\u5eab\u5206\u8868\u7684\u7b56\u7565<\/h3>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u9700\u8981\u6839\u64da\u696d\u52d9\u9700\u6c42\u78ba\u5b9a\u5206\u5eab\u5206\u8868\u7684\u7b56\u7565\u3002\u5e38\u898b\u7684\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6309\u696d\u52d9\u5283\u5206\uff1a<\/strong>\u6839\u64da\u4e0d\u540c\u7684\u696d\u52d9\u6a21\u584a\u5c07\u6578\u64da\u5206\u5230\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e2d\u3002<\/li>\n<li><strong>\u6309\u6578\u64da\u91cf\u5283\u5206\uff1a<\/strong>\u6839\u64da\u6578\u64da\u91cf\u7684\u5927\u5c0f\u5c07\u6578\u64da\u8868\u62c6\u5206\u6210\u591a\u500b\u5c0f\u8868\u3002<\/li>\n<li><strong>\u6309\u6642\u9593\u5283\u5206\uff1a<\/strong>\u6839\u64da\u6642\u9593\u7bc4\u570d\u5c07\u6578\u64da\u5206\u5230\u4e0d\u540c\u7684\u6578\u64da\u8868\u4e2d\uff0c\u4f8b\u5982\u6309\u6708\u6216\u6309\u5e74\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9e%b6%e6%a7%8b-mZKuZEmWIL\">2. \u8a2d\u8a08\u6578\u64da\u5eab\u67b6\u69cb<\/h3>\n<p>\u5728\u78ba\u5b9a\u4e86\u5206\u5eab\u5206\u8868\u7684\u7b56\u7565\u5f8c\uff0c\u9700\u8981\u8a2d\u8a08\u65b0\u7684\u6578\u64da\u5eab\u67b6\u69cb\u3002\u9019\u5305\u62ec\u78ba\u5b9a\u6bcf\u500b\u6578\u64da\u5eab\u548c\u6578\u64da\u8868\u7684\u7d50\u69cb\u3001\u7d22\u5f15\u8a2d\u8a08\u4ee5\u53ca\u6578\u64da\u95dc\u806f\u7b49\u3002<\/p>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e9%81%b7%e7%a7%bb-mZKuZEmWIL\">3. \u6578\u64da\u9077\u79fb<\/h3>\n<p>\u6578\u64da\u9077\u79fb\u662f\u5206\u5eab\u5206\u8868\u904e\u7a0b\u4e2d\u6700\u95dc\u9375\u7684\u4e00\u6b65\u3002\u9700\u8981\u5c07\u539f\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u6309\u7167\u65b0\u7684\u67b6\u69cb\u9032\u884c\u9077\u79fb\uff0c\u9019\u901a\u5e38\u9700\u8981\u7de8\u5beb\u8173\u672c\u4f86\u81ea\u52d5\u5316\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n<pre><code>\n-- \u793a\u4f8b\uff1a\u5c07\u6578\u64da\u5f9e\u820a\u8868\u9077\u79fb\u5230\u65b0\u8868\nINSERT INTO new_table (column1, column2)\nSELECT column1, column2 FROM old_table WHERE condition;\n<\/code><\/pre>\n<h3 id=\"4-%e6%9b%b4%e6%96%b0%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f-mZKuZEmWIL\">4. \u66f4\u65b0\u61c9\u7528\u7a0b\u5e8f<\/h3>\n<p>\u5728\u6578\u64da\u5eab\u7d50\u69cb\u8b8a\u66f4\u5f8c\uff0c\u61c9\u7528\u7a0b\u5e8f\u7684\u6578\u64da\u8a2a\u554f\u908f\u8f2f\u4e5f\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u66f4\u65b0\uff0c\u4ee5\u78ba\u4fdd\u80fd\u5920\u6b63\u78ba\u5730\u8a2a\u554f\u65b0\u7684\u6578\u64da\u5eab\u548c\u6578\u64da\u8868\u3002<\/p>\n<h2 id=\"sql-%e5%84%aa%e5%8c%96%e6%8a%80%e5%b7%a7-mZKuZEmWIL\">SQL \u512a\u5316\u6280\u5de7<\/h2>\n<p>\u5728\u5206\u5eab\u5206\u8868\u7684\u904e\u7a0b\u4e2d\uff0cSQL \u67e5\u8a62\u7684\u512a\u5316\u540c\u6a23\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684 SQL \u512a\u5316\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u70ba\u5e38\u7528\u7684\u67e5\u8a62\u5b57\u6bb5\u5efa\u7acb\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u907f\u514d SELECT *\uff1a<\/strong>\u53ea\u9078\u64c7\u9700\u8981\u7684\u5b57\u6bb5\uff0c\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\u3002<\/li>\n<li><strong>\u4f7f\u7528 JOIN \u800c\u975e\u5b50\u67e5\u8a62\uff1a<\/strong>\u5728\u53ef\u80fd\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528 JOIN \u4f86\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-mZKuZEmWIL\">\u7d50\u8ad6<\/h2>\n<p>\u5206\u5eab\u5206\u8868\u662f\u4e00\u7a2e\u6709\u6548\u7684\u6578\u64da\u5eab\u512a\u5316\u6280\u8853\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5728\u5be6\u65bd\u904e\u7a0b\u4e2d\uff0c\u5408\u7406\u7684\u7b56\u7565\u8a2d\u8a08\u3001\u6578\u64da\u9077\u79fb\u548c SQL \u512a\u5316\u90fd\u662f\u6210\u529f\u7684\u95dc\u9375\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u6301\u7e8c\u589e\u9577\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u8853\u5c07\u5c0d\u4f01\u696d\u7684\u6578\u64da\u7ba1\u7406\u548c\u696d\u52d9\u767c\u5c55\u8d77\u5230\u91cd\u8981\u7684\u63a8\u52d5\u4f5c\u7528\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c\u6578\u64da\u5eab\u512a\u5316\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5206\u5eab\u5206\u8868\u5be6\u6230\uff0c\u5b78\u7fd2\u5982\u4f55\u512a\u5316\u5343\u842c\u7d1a\u6578\u64da\u7684 SQL \u67e5\u8a62\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u8207\u6027\u80fd\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-156413","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156413","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=156413"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156413\/revisions"}],"predecessor-version":[{"id":156414,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156413\/revisions\/156414"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=156413"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=156413"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=156413"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}