{"id":66283,"date":"2024-10-14T16:07:23","date_gmt":"2024-10-14T08:07:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66283\/"},"modified":"2024-10-14T16:07:23","modified_gmt":"2024-10-14T08:07:23","slug":"mssql%e7%94%a8%e6%96%bc%e5%88%97%e5%87%ba%e8%a1%a8%e5%85%a7%e5%ae%b9%e7%9a%84%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95%ef%bc%88mssql%e5%88%97%e5%87%ba%e8%a1%a8%e5%85%a7%e5%ae%b9%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66283\/","title":{"rendered":"MSSQL\u7528\u65bc\u5217\u51fa\u8868\u5167\u5bb9\u7684\u64cd\u4f5c\u65b9\u6cd5\uff08mssql\u5217\u51fa\u8868\u5167\u5bb9\uff09"},"content":{"rendered":"<h1 id=\"mssql%e7%94%a8%e6%96%bc%e5%88%97%e5%87%ba%e8%a1%a8%e5%85%a7%e5%ae%b9%e7%9a%84%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95-iLUYXtqfcY\">MSSQL\u7528\u65bc\u5217\u51fa\u8868\u5167\u5bb9\u7684\u64cd\u4f5c\u65b9\u6cd5<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMicrosoft SQL Server\uff08MSSQL\uff09\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u7576\u6211\u5011\u9700\u8981\u67e5\u770b\u67d0\u500b\u8868\u7684\u5167\u5bb9\u6642\uff0cMSSQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u9054\u6210\u9019\u4e00\u76ee\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5e38\u7528\u7684\u64cd\u4f5c\u65b9\u6cd5\uff0c\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u5217\u51fa\u8868\u5167\u5bb9\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8select%e8%aa%9e%e5%8f%a5-iLUYXtqfcY\">\u4f7f\u7528SELECT\u8a9e\u53e5<\/h2>\n<p>\u6700\u57fa\u672c\u7684\u65b9\u5f0f\u662f\u4f7f\u7528SQL\u7684SELECT\u8a9e\u53e5\u3002\u9019\u662f\u4e00\u500b\u975e\u5e38\u76f4\u89c0\u7684\u65b9\u6cd5\uff0c\u9069\u5408\u7528\u65bc\u67e5\u8a62\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>SELECT * FROM \u8868\u540d;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cCustomers\u201d\u7684\u8868\uff0c\u60f3\u8981\u67e5\u770b\u6240\u6709\u5ba2\u6236\u7684\u8cc7\u6599\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM Customers;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u201cCustomers\u201d\u8868\u4e2d\u7684\u6240\u6709\u884c\u548c\u5217\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8where%e5%ad%90%e5%8f%a5%e9%81%8e%e6%bf%be%e6%95%b8%e6%93%9a-iLUYXtqfcY\">\u4f7f\u7528WHERE\u5b50\u53e5\u904e\u6ffe\u6578\u64da<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u80fd\u53ea\u60f3\u67e5\u770b\u7b26\u5408\u7279\u5b9a\u689d\u4ef6\u7684\u6578\u64da\u3002\u9019\u6642\u53ef\u4ee5\u4f7f\u7528WHERE\u5b50\u53e5\u4f86\u904e\u6ffe\u7d50\u679c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u53ea\u60f3\u67e5\u770b\u4f86\u81ea\u201c\u9999\u6e2f\u201d\u7684\u5ba2\u6236\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT * FROM Customers WHERE City = '\u9999\u6e2f';<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u67e5\u8a62\u7d50\u679c\u5c07\u50c5\u986f\u793a\u57ce\u5e02\u70ba\u201c\u9999\u6e2f\u201d\u7684\u5ba2\u6236\u8cc7\u6599\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8order-by%e6%8e%92%e5%ba%8f%e7%b5%90%e6%9e%9c-iLUYXtqfcY\">\u4f7f\u7528ORDER BY\u6392\u5e8f\u7d50\u679c<\/h2>\n<p>\u6709\u6642\u5019\uff0c\u6211\u5011\u5e0c\u671b\u4ee5\u7279\u5b9a\u7684\u9806\u5e8f\u67e5\u770b\u6578\u64da\u3002\u53ef\u4ee5\u4f7f\u7528ORDER BY\u5b50\u53e5\u4f86\u5c0d\u7d50\u679c\u9032\u884c\u6392\u5e8f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u6309\u5ba2\u6236\u7684\u59d3\u540d\u9032\u884c\u6392\u5e8f\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT * FROM Customers ORDER BY Name ASC;<\/code><\/pre>\n<p>\u9019\u5c07\u6309\u59d3\u540d\u7684\u5b57\u6bcd\u9806\u5e8f\u5347\u5e8f\u6392\u5217\u5ba2\u6236\u8cc7\u6599\u3002\u5982\u679c\u60f3\u8981\u964d\u5e8f\u6392\u5217\uff0c\u53ea\u9700\u5c07\u201cASC\u201d\u6539\u70ba\u201cDESC\u201d\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8top%e9%99%90%e5%88%b6%e8%bf%94%e5%9b%9e%e7%9a%84%e8%a1%8c%e6%95%b8-iLUYXtqfcY\">\u4f7f\u7528TOP\u9650\u5236\u8fd4\u56de\u7684\u884c\u6578<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u80fd\u53ea\u60f3\u67e5\u770b\u8868\u4e2d\u7684\u524d\u5e7e\u884c\u6578\u64da\u3002\u53ef\u4ee5\u4f7f\u7528TOP\u95dc\u9375\u5b57\u4f86\u9650\u5236\u8fd4\u56de\u7684\u884c\u6578\u3002\u4f8b\u5982\uff0c\u82e5\u53ea\u60f3\u67e5\u770b\u524d10\u500b\u5ba2\u6236\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT TOP 10 * FROM Customers;<\/code><\/pre>\n<p>\u9019\u6a23\u5c07\u50c5\u8fd4\u56de\u201cCustomers\u201d\u8868\u4e2d\u7684\u524d10\u884c\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8join%e6%9f%a5%e8%a9%a2%e5%a4%9a%e5%80%8b%e8%a1%a8-iLUYXtqfcY\">\u4f7f\u7528JOIN\u67e5\u8a62\u591a\u500b\u8868<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u901a\u5e38\u5206\u6563\u5728\u591a\u500b\u8868\u4e2d\u3002\u4f7f\u7528JOIN\u8a9e\u53e5\u53ef\u4ee5\u5c07\u9019\u4e9b\u8868\u4e2d\u7684\u6578\u64da\u7d50\u5408\u8d77\u4f86\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u201cOrders\u201d\u8868\uff0c\u4e26\u5e0c\u671b\u67e5\u770b\u6bcf\u500b\u5ba2\u6236\u7684\u8a02\u55ae\uff0c\u53ef\u4ee5\u4f7f\u7528INNER JOIN\uff1a<\/p>\n<pre><code>SELECT Customers.Name, Orders.OrderID \nFROM Customers \nINNER JOIN Orders ON Customers.CustomerID = Orders.CustomerID;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6bcf\u500b\u5ba2\u6236\u53ca\u5176\u5c0d\u61c9\u7684\u8a02\u55aeID\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-iLUYXtqfcY\">\u7d50\u8ad6<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u5217\u51fa\u8868\u5167\u5bb9\u7684\u64cd\u4f5c\u65b9\u6cd5\u591a\u7a2e\u591a\u6a23\uff0c\u5f9e\u57fa\u672c\u7684SELECT\u8a9e\u53e5\u5230\u66f4\u8907\u96dc\u7684JOIN\u67e5\u8a62\uff0c\u9019\u4e9b\u5de5\u5177\u90fd\u80fd\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\u3002\u7121\u8ad6\u662f\u904e\u6ffe\u3001\u6392\u5e8f\u9084\u662f\u806f\u5408\u67e5\u8a62\uff0c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u90fd\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u91cd\u8981\u57fa\u790e\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u6280\u8853\u554f\u984c\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u7ba1\u7406\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728MSSQL\u4e2d\u5217\u51fa\u8868\u5167\u5bb9\uff0c\u638c\u63e1\u67e5\u8a62\u8a9e\u53e5\u548c\u64cd\u4f5c\u6280\u5de7\uff0c\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u8cc7\u6599\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-66283","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66283","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=66283"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66283\/revisions"}],"predecessor-version":[{"id":66284,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66283\/revisions\/66284"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}