{"id":195667,"date":"2024-11-13T16:54:21","date_gmt":"2024-11-13T08:54:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195667\/"},"modified":"2024-11-13T16:54:22","modified_gmt":"2024-11-13T08:54:22","slug":"%e9%81%8b%e7%ae%97sql-server%e4%b8%ad%e8%a1%a8%e9%81%8b%e7%ae%97%e7%9a%84%e9%ad%85%e5%8a%9b%e4%b9%8b%e6%97%85%ef%bc%88sqlserver%e7%9a%84%e8%a1%a8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195667\/","title":{"rendered":"\u904b\u7b97SQL Server\u4e2d\u8868\u904b\u7b97\u7684\u9b45\u529b\u4e4b\u65c5\uff08sqlserver\u7684\u8868\uff09"},"content":{"rendered":"<h1 id=\"%e9%81%8b%e7%ae%97sql-server%e4%b8%ad%e8%a1%a8%e9%81%8b%e7%ae%97%e7%9a%84%e9%ad%85%e5%8a%9b%e4%b9%8b%e6%97%85%ef%bc%88sql-server%e7%9a%84%e8%a1%a8%ef%bc%89-zMiDNRpTZM\">\u904b\u7b97SQL Server\u4e2d\u8868\u904b\u7b97\u7684\u9b45\u529b\u4e4b\u65c5\uff08SQL Server\u7684\u8868\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cSQL Server\u4f5c\u70ba\u5fae\u8edf\u7684\u4e00\u6b3e\u5f37\u5927\u7522\u54c1\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u8655\u7406\u548c\u7ba1\u7406\u6578\u64da\u3002\u8868\u904b\u7b97\u662fSQL Server\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u9ad8\u6548\u5730\u9032\u884c\u6578\u64da\u67e5\u8a62\u548c\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSQL Server\u4e2d\u8868\u904b\u7b97\u7684\u9b45\u529b\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%a1%a8%e9%81%8b%e7%ae%97%ef%bc%9f-zMiDNRpTZM\">\u4ec0\u9ebc\u662f\u8868\u904b\u7b97\uff1f<\/h2>\n<p>\u8868\u904b\u7b97\u662f\u6307\u5728SQL Server\u4e2d\u5c0d\u6578\u64da\u8868\u9032\u884c\u7684\u5404\u7a2e\u64cd\u4f5c\uff0c\u5305\u62ec\u9078\u64c7\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u7b49\u3002\u9019\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u901a\u904eSQL\u8a9e\u53e5\u4f86\u5be6\u73fe\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u8868\u4e4b\u9593\u9032\u884c\u806f\u63a5\u3001\u5408\u4f75\u548c\u904e\u6ffe\u7b49\u64cd\u4f5c\u3002\u8868\u904b\u7b97\u7684\u9748\u6d3b\u6027\u548c\u5f37\u5927\u529f\u80fd\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u9ad8\u6548\u5730\u8655\u7406\u5927\u91cf\u6578\u64da\u3002<\/p>\n<h2 id=\"%e8%a1%a8%e9%81%8b%e7%ae%97%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-zMiDNRpTZM\">\u8868\u904b\u7b97\u7684\u57fa\u672c\u64cd\u4f5c<\/h2>\n<h3 id=\"1-%e9%81%b8%e6%93%87%ef%bc%88select%ef%bc%89-zMiDNRpTZM\">1. \u9078\u64c7\uff08SELECT\uff09<\/h3>\n<p>\u9078\u64c7\u64cd\u4f5c\u662f\u8868\u904b\u7b97\u4e2d\u6700\u57fa\u672c\u7684\u64cd\u4f5c\u4e4b\u4e00\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528SELECT\u8a9e\u53e5\u5f9e\u4e00\u500b\u6216\u591a\u500b\u8868\u4e2d\u6aa2\u7d22\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM Customers WHERE Country = 'USA';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u5f9eCustomers\u8868\u4e2d\u9078\u64c7\u6240\u6709\u4f86\u81ea\u7f8e\u570b\u7684\u5ba2\u6236\u3002<\/p>\n<h3 id=\"2-%e6%8f%92%e5%85%a5%ef%bc%88insert%ef%bc%89-zMiDNRpTZM\">2. \u63d2\u5165\uff08INSERT\uff09<\/h3>\n<p>\u63d2\u5165\u64cd\u4f5c\u7528\u65bc\u5c07\u65b0\u6578\u64da\u6dfb\u52a0\u5230\u8868\u4e2d\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO Customers (CustomerName, Country) VALUES ('\u65b0\u5ba2\u6236', '\u9999\u6e2f');<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u4e00\u500b\u540d\u70ba\u201c\u65b0\u5ba2\u6236\u201d\u7684\u5ba2\u6236\u6dfb\u52a0\u5230Customers\u8868\u4e2d\uff0c\u4e26\u6307\u5b9a\u5176\u570b\u5bb6\u70ba\u9999\u6e2f\u3002<\/p>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%ef%bc%88update%ef%bc%89-zMiDNRpTZM\">3. \u66f4\u65b0\uff08UPDATE\uff09<\/h3>\n<p>\u66f4\u65b0\u64cd\u4f5c\u7528\u65bc\u4fee\u6539\u8868\u4e2d\u5df2\u5b58\u5728\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u66f4\u65b0\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE Customers SET Country = '\u4e2d\u570b' WHERE CustomerName = '\u65b0\u5ba2\u6236';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u201c\u65b0\u5ba2\u6236\u201d\u7684\u570b\u5bb6\u66f4\u65b0\u70ba\u4e2d\u570b\u3002<\/p>\n<h3 id=\"4-%e5%88%aa%e9%99%a4%ef%bc%88delete%ef%bc%89-zMiDNRpTZM\">4. \u522a\u9664\uff08DELETE\uff09<\/h3>\n<p>\u522a\u9664\u64cd\u4f5c\u7528\u65bc\u5f9e\u8868\u4e2d\u79fb\u9664\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u522a\u9664\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>DELETE FROM Customers WHERE CustomerName = '\u65b0\u5ba2\u6236';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u522a\u9664\u540d\u70ba\u201c\u65b0\u5ba2\u6236\u201d\u7684\u5ba2\u6236\u3002<\/p>\n<h2 id=\"%e8%a1%a8%e4%b9%8b%e9%96%93%e7%9a%84%e9%81%8b%e7%ae%97-zMiDNRpTZM\">\u8868\u4e4b\u9593\u7684\u904b\u7b97<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u8868\u4e4b\u9593\u7684\u904b\u7b97\u901a\u5e38\u6d89\u53ca\u5230\u806f\u63a5\uff08JOIN\uff09\u64cd\u4f5c\u3002\u806f\u63a5\u64cd\u4f5c\u5141\u8a31\u7528\u6236\u5f9e\u591a\u500b\u8868\u4e2d\u6aa2\u7d22\u76f8\u95dc\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u806f\u63a5\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u5167\u806f\u63a5\uff08INNER JOIN\uff09<\/strong>: \u53ea\u8fd4\u56de\u5169\u500b\u8868\u4e2d\u5339\u914d\u7684\u884c\u3002<\/li>\n<li><strong>\u5de6\u806f\u63a5\uff08LEFT JOIN\uff09<\/strong>: \u8fd4\u56de\u5de6\u8868\u4e2d\u7684\u6240\u6709\u884c\uff0c\u5373\u4f7f\u53f3\u8868\u4e2d\u6c92\u6709\u5339\u914d\u7684\u884c\u3002<\/li>\n<li><strong>\u53f3\u806f\u63a5\uff08RIGHT JOIN\uff09<\/strong>: \u8fd4\u56de\u53f3\u8868\u4e2d\u7684\u6240\u6709\u884c\uff0c\u5373\u4f7f\u5de6\u8868\u4e2d\u6c92\u6709\u5339\u914d\u7684\u884c\u3002<\/li>\n<li><strong>\u5168\u5916\u806f\u63a5\uff08FULL OUTER JOIN\uff09<\/strong>: \u8fd4\u56de\u5169\u500b\u8868\u4e2d\u7684\u6240\u6709\u884c\uff0c\u7121\u8ad6\u662f\u5426\u6709\u5339\u914d\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5167\u806f\u63a5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT Orders.OrderID, Customers.CustomerName \nFROM Orders \nINNER JOIN Customers ON Orders.CustomerID = Customers.CustomerID;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u6240\u6709\u8a02\u55ae\u53ca\u5176\u5c0d\u61c9\u7684\u5ba2\u6236\u540d\u7a31\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-zMiDNRpTZM\">\u7d50\u8ad6<\/h2>\n<p>SQL Server\u4e2d\u7684\u8868\u904b\u7b97\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\uff0c\u7121\u8ad6\u662f\u57fa\u672c\u7684\u6578\u64da\u64cd\u4f5c\u9084\u662f\u8907\u96dc\u7684\u8868\u4e4b\u9593\u806f\u63a5\uff0c\u90fd\u80fd\u5920\u9ad8\u6548\u5730\u6eff\u8db3\u7528\u6236\u7684\u9700\u6c42\u3002\u901a\u904e\u9748\u6d3b\u904b\u7528\u9019\u4e9b\u904b\u7b97\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u8005\u548c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u5347\u696d\u52d9\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u96f2\u7aef\u74b0\u5883\u4e2d\u904b\u884cSQL Server\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL Server\u4e2d\u8868\u904b\u7b97\u7684\u9b45\u529b\uff0c\u63ed\u793a\u6578\u64da\u7ba1\u7406\u7684\u9ad8\u6548\u6280\u5de7\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u60a8\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\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-195667","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195667","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=195667"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195667\/revisions"}],"predecessor-version":[{"id":195668,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195667\/revisions\/195668"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195667"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195667"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}