{"id":168371,"date":"2024-11-06T11:49:25","date_gmt":"2024-11-06T03:49:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168371\/"},"modified":"2024-11-06T11:49:26","modified_gmt":"2024-11-06T03:49:26","slug":"sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e8%87%a8%e6%99%82%e8%a1%a8%e8%a9%b3%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168371\/","title":{"rendered":"SQL \u6578\u64da\u5eab\u4e2d\u7684\u81e8\u6642\u8868\u8a73\u89e3"},"content":{"rendered":"<h1 id=\"sql-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e8%87%a8%e6%99%82%e8%a1%a8%e8%a9%b3%e8%a7%a3-RpAxEnoXBO\">SQL \u6578\u64da\u5eab\u4e2d\u7684\u81e8\u6642\u8868\u8a73\u89e3<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u81e8\u6642\u8868\u662f\u4e00\u7a2e\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u8907\u96dc\u67e5\u8a62\u548c\u6578\u64da\u64cd\u4f5c\u6642\u3002\u81e8\u6642\u8868\u7684\u4e3b\u8981\u7279\u9ede\u662f\u5b83\u5011\u7684\u751f\u547d\u9031\u671f\u50c5\u9650\u65bc\u7576\u524d\u6703\u8a71\u6216\u4e8b\u52d9\uff0c\u9019\u4f7f\u5f97\u5b83\u5011\u5728\u6578\u64da\u8655\u7406\u904e\u7a0b\u4e2d\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\u548c\u6548\u7387\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u81e8\u6642\u8868\u7684\u6982\u5ff5\u3001\u4f7f\u7528\u5834\u666f\u3001\u5275\u5efa\u65b9\u6cd5\u4ee5\u53ca\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%87%a8%e6%99%82%e8%a1%a8%ef%bc%9f-RpAxEnoXBO\">\u4ec0\u9ebc\u662f\u81e8\u6642\u8868\uff1f<\/h2>\n<p>\u81e8\u6642\u8868\u662f\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\u7684\u4e00\u7a2e\u7279\u6b8a\u8868\u683c\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u4e2d\u9593\u7d50\u679c\u6216\u81e8\u6642\u6578\u64da\u3002\u9019\u4e9b\u8868\u683c\u5728\u7528\u6236\u6703\u8a71\u7d50\u675f\u6216\u4e8b\u52d9\u5b8c\u6210\u5f8c\u6703\u81ea\u52d5\u522a\u9664\u3002\u81e8\u6642\u8868\u7684\u4e3b\u8981\u985e\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5c40\u90e8\u81e8\u6642\u8868\uff1a<\/strong>\u4ee5#\u958b\u982d\u547d\u540d\uff0c\u50c5\u5728\u5275\u5efa\u5b83\u7684\u6703\u8a71\u4e2d\u53ef\u898b\u3002<\/li>\n<li><strong>\u5168\u5c40\u81e8\u6642\u8868\uff1a<\/strong>\u4ee5##\u958b\u982d\u547d\u540d\uff0c\u6240\u6709\u6703\u8a71\u5747\u53ef\u898b\uff0c\u76f4\u5230\u6700\u5f8c\u4e00\u500b\u5f15\u7528\u8a72\u8868\u7684\u6703\u8a71\u7d50\u675f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%87%a8%e6%99%82%e8%a1%a8%e7%9a%84%e4%bd%bf%e7%94%a8%e5%a0%b4%e6%99%af-RpAxEnoXBO\">\u81e8\u6642\u8868\u7684\u4f7f\u7528\u5834\u666f<\/h2>\n<p>\u81e8\u6642\u8868\u5728\u591a\u7a2e\u60c5\u6cc1\u4e0b\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u4f7f\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u8907\u96dc\u67e5\u8a62\uff1a<\/strong>\u7576\u67e5\u8a62\u6d89\u53ca\u591a\u500b\u8868\u548c\u5927\u91cf\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u81e8\u6642\u8868\u4f86\u5b58\u5132\u4e2d\u9593\u7d50\u679c\uff0c\u5f9e\u800c\u7c21\u5316\u67e5\u8a62\u908f\u8f2f\u3002<\/li>\n<li><strong>\u6578\u64da\u8655\u7406\uff1a<\/strong>\u5728\u9032\u884c\u6578\u64da\u6e05\u7406\u6216\u8f49\u63db\u6642\uff0c\u81e8\u6642\u8868\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u81e8\u6642\u6578\u64da\uff0c\u4fbf\u65bc\u5f8c\u7e8c\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u4f7f\u7528\u81e8\u6642\u8868\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u4e3b\u8868\u7684\u76f4\u63a5\u67e5\u8a62\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%ba%e8%87%a8%e6%99%82%e8%a1%a8-RpAxEnoXBO\">\u5982\u4f55\u5275\u5efa\u81e8\u6642\u8868<\/h2>\n<p>\u5728 SQL \u4e2d\u5275\u5efa\u81e8\u6642\u8868\u7684\u8a9e\u6cd5\u8207\u5275\u5efa\u666e\u901a\u8868\u76f8\u4f3c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u5c40\u90e8\u81e8\u6642\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE #TempTable (\n    ID INT,\n    Name NVARCHAR(50)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>#TempTable<\/code> \u7684\u5c40\u90e8\u81e8\u6642\u8868\uff0c\u5305\u542b\u5169\u500b\u5b57\u6bb5\uff1aID \u548c Name\u3002<\/p>\n<h3 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%e5%88%b0%e8%87%a8%e6%99%82%e8%a1%a8-RpAxEnoXBO\">\u63d2\u5165\u6578\u64da\u5230\u81e8\u6642\u8868<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528 <code>INSERT INTO<\/code> \u8a9e\u53e5\u5c07\u6578\u64da\u63d2\u5165\u81e8\u6642\u8868\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>INSERT INTO #TempTable (ID, Name)\nVALUES (1, 'Alice'), (2, 'Bob');<\/code><\/pre>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e8%87%a8%e6%99%82%e8%a1%a8-RpAxEnoXBO\">\u67e5\u8a62\u81e8\u6642\u8868<\/h3>\n<p>\u81e8\u6642\u8868\u7684\u67e5\u8a62\u8207\u666e\u901a\u8868\u76f8\u540c\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>SELECT<\/code> \u8a9e\u53e5\u4f86\u6aa2\u7d22\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM #TempTable;<\/code><\/pre>\n<h3 id=\"%e5%88%aa%e9%99%a4%e8%87%a8%e6%99%82%e8%a1%a8-RpAxEnoXBO\">\u522a\u9664\u81e8\u6642\u8868<\/h3>\n<p>\u96d6\u7136\u81e8\u6642\u8868\u5728\u6703\u8a71\u7d50\u675f\u6642\u6703\u81ea\u52d5\u522a\u9664\uff0c\u4f46\u4e5f\u53ef\u4ee5\u624b\u52d5\u522a\u9664\uff1a<\/p>\n<pre><code>DROP TABLE #TempTable;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-RpAxEnoXBO\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528\u81e8\u6642\u8868\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u81e8\u6642\u8868\u7684\u540d\u7a31\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u7279\u5225\u662f\u5728\u540c\u4e00\u6703\u8a71\u4e2d\u3002<\/li>\n<li>\u81e8\u6642\u8868\u7684\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u6578\u64da\u5eab\u7684\u914d\u7f6e\u548c\u7576\u524d\u8ca0\u8f09\u7684\u5f71\u97ff\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u5168\u5c40\u81e8\u6642\u8868\u6642\uff0c\u9700\u6ce8\u610f\u6578\u64da\u7684\u53ef\u898b\u6027\u548c\u6703\u8a71\u7684\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RpAxEnoXBO\">\u7e3d\u7d50<\/h2>\n<p>\u81e8\u6642\u8868\u5728 SQL \u6578\u64da\u5eab\u4e2d\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5206\u6790\u5e2b\u6709\u6548\u5730\u8655\u7406\u548c\u7ba1\u7406\u6578\u64da\u3002\u7121\u8ad6\u662f\u5728\u8907\u96dc\u67e5\u8a62\u3001\u6578\u64da\u8655\u7406\u9084\u662f\u6027\u80fd\u512a\u5316\u65b9\u9762\uff0c\u81e8\u6642\u8868\u90fd\u80fd\u63d0\u4f9b\u9748\u6d3b\u6027\u548c\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u4e86\u89e3\u81e8\u6642\u8868\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9805\uff0c\u5c07\u6709\u52a9\u65bc\u66f4\u597d\u5730\u5229\u7528 SQL \u6578\u64da\u5eab\u7684\u529f\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0eSQL\u6578\u64da\u5eab\u4e2d\u7684\u81e8\u6642\u8868\uff0c\u4e86\u89e3\u5176\u5b9a\u7fa9\u3001\u7528\u9014\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\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-168371","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168371","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=168371"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168371\/revisions"}],"predecessor-version":[{"id":168372,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168371\/revisions\/168372"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}