{"id":152299,"date":"2024-11-01T21:46:25","date_gmt":"2024-11-01T13:46:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152299\/"},"modified":"2024-11-01T21:46:26","modified_gmt":"2024-11-01T13:46:26","slug":"%e6%93%a6%e4%ba%ae%e8%87%aa%e5%b7%b1%e7%9a%84%e7%9c%bc%e7%9d%9b%e5%8e%bb%e7%9c%8bsql-server%e4%b9%8b%e7%b0%a1%e5%96%ae%e9%81%b8%e5%8f%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152299\/","title":{"rendered":"\u64e6\u4eae\u81ea\u5df1\u7684\u773c\u775b\u53bb\u770bSQL Server\u4e4b\u7c21\u55ae\u9078\u53d6"},"content":{"rendered":"<h1 id=\"%e6%93%a6%e4%ba%ae%e8%87%aa%e5%b7%b1%e7%9a%84%e7%9c%bc%e7%9d%9b%e5%8e%bb%e7%9c%8bsql-server%e4%b9%8b%e7%b0%a1%e5%96%ae%e9%81%b8%e5%8f%96-LUwkUyOcoX\">\u64e6\u4eae\u81ea\u5df1\u7684\u773c\u775b\u53bb\u770bSQL Server\u4e4b\u7c21\u55ae\u9078\u53d6<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cSQL Server\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u696d\u52d9\u5834\u666f\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0cSQL Server\u90fd\u80fd\u6709\u6548\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSQL Server\u4e2d\u7684\u7c21\u55ae\u9078\u53d6\u8a9e\u53e5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u4f7f\u7528\u9019\u4e00\u5f37\u5927\u7684\u5de5\u5177\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afsql-server%e7%9a%84%e9%81%b8%e5%8f%96%e8%aa%9e%e5%8f%a5%ef%bc%9f-LUwkUyOcoX\">\u4ec0\u9ebc\u662fSQL Server\u7684\u9078\u53d6\u8a9e\u53e5\uff1f<\/h2>\n<p>\u9078\u53d6\u8a9e\u53e5\uff08SELECT\uff09\u662fSQL\u4e2d\u6700\u57fa\u672c\u7684\u67e5\u8a62\u8a9e\u53e5\u4e4b\u4e00\uff0c\u7528\u65bc\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6578\u64da\u3002\u901a\u904e\u9078\u53d6\u8a9e\u53e5\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u6307\u5b9a\u8981\u67e5\u8a62\u7684\u6578\u64da\u8868\u3001\u6240\u9700\u7684\u5217\u4ee5\u53ca\u67e5\u8a62\u7684\u689d\u4ef6\u3002\u9019\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u9748\u6d3b\u5730\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e7%9a%84%e9%81%b8%e5%8f%96%e8%aa%9e%e5%8f%a5%e7%b5%90%e6%a7%8b-LUwkUyOcoX\">\u57fa\u672c\u7684\u9078\u53d6\u8a9e\u53e5\u7d50\u69cb<\/h2>\n<p>\u4e00\u500b\u57fa\u672c\u7684\u9078\u53d6\u8a9e\u53e5\u7684\u7d50\u69cb\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT column1, column2, ...\nFROM table_name\nWHERE condition;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>column1, column2, ...<\/code>\u662f\u8981\u6aa2\u7d22\u7684\u5217\u540d\uff0c<code>table_name<\/code>\u662f\u6578\u64da\u8868\u7684\u540d\u7a31\uff0c\u800c<code>condition<\/code>\u5247\u662f\u53ef\u9078\u7684\u67e5\u8a62\u689d\u4ef6\u3002<\/p>\n<h2 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e7%b0%a1%e5%96%ae%e7%9a%84%e9%81%b8%e5%8f%96%e8%aa%9e%e5%8f%a5-LUwkUyOcoX\">\u7bc4\u4f8b\uff1a\u7c21\u55ae\u7684\u9078\u53d6\u8a9e\u53e5<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<code>Employees<\/code>\u7684\u6578\u64da\u8868\uff0c\u5305\u542b\u4ee5\u4e0b\u5217\uff1a<code>EmployeeID<\/code>\u3001<code>Name<\/code>\u3001<code>Position<\/code>\u548c<code>Salary<\/code>\u3002\u5982\u679c\u6211\u5011\u60f3\u8981\u67e5\u8a62\u6240\u6709\u54e1\u5de5\u7684\u59d3\u540d\u548c\u8077\u4f4d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7684\u9078\u53d6\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT Name, Position\nFROM Employees;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de<code>Employees<\/code>\u8868\u4e2d\u6240\u6709\u54e1\u5de5\u7684\u59d3\u540d\u548c\u8077\u4f4d\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8where%e5%ad%90%e5%8f%a5%e9%80%b2%e8%a1%8c%e6%a2%9d%e4%bb%b6%e6%9f%a5%e8%a9%a2-LUwkUyOcoX\">\u4f7f\u7528WHERE\u5b50\u53e5\u9032\u884c\u689d\u4ef6\u67e5\u8a62<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u6211\u5011\u7d93\u5e38\u9700\u8981\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u4f86\u7be9\u9078\u6578\u64da\u3002\u9019\u6642\u53ef\u4ee5\u4f7f\u7528<code>WHERE<\/code>\u5b50\u53e5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u53ea\u60f3\u67e5\u8a62\u85aa\u6c34\u9ad8\u65bc50000\u7684\u54e1\u5de5\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT Name, Position\nFROM Employees\nWHERE Salary &gt; 50000;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u50c5\u8fd4\u56de\u85aa\u6c34\u9ad8\u65bc50000\u7684\u54e1\u5de5\u7684\u59d3\u540d\u548c\u8077\u4f4d\u3002<\/p>\n<h2 id=\"%e6%8e%92%e5%ba%8f%e6%9f%a5%e8%a9%a2%e7%b5%90%e6%9e%9c-LUwkUyOcoX\">\u6392\u5e8f\u67e5\u8a62\u7d50\u679c<\/h2>\n<p>\u6709\u6642\u5019\uff0c\u6211\u5011\u5e0c\u671b\u67e5\u8a62\u7d50\u679c\u6309\u7167\u67d0\u500b\u5217\u9032\u884c\u6392\u5e8f\u3002\u53ef\u4ee5\u4f7f\u7528<code>ORDER BY<\/code>\u5b50\u53e5\u4f86\u5be6\u73fe\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u8981\u6309\u7167\u85aa\u6c34\u5f9e\u9ad8\u5230\u4f4e\u6392\u5e8f\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT Name, Salary\nFROM Employees\nORDER BY Salary DESC;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u6240\u6709\u54e1\u5de5\u7684\u59d3\u540d\u548c\u85aa\u6c34\uff0c\u4e26\u6309\u7167\u85aa\u6c34\u5f9e\u9ad8\u5230\u4f4e\u7684\u9806\u5e8f\u6392\u5217\u3002<\/p>\n<h2 id=\"%e5%b0%8f%e7%b5%90-LUwkUyOcoX\">\u5c0f\u7d50<\/h2>\n<p>SQL Server\u7684\u9078\u53d6\u8a9e\u53e5\u662f\u6578\u64da\u67e5\u8a62\u7684\u57fa\u790e\uff0c\u901a\u904e\u9748\u6d3b\u904b\u7528<code>SELECT<\/code>\u3001<code>WHERE<\/code>\u548c<code>ORDER BY<\/code>\u7b49\u5b50\u53e5\uff0c\u7528\u6236\u53ef\u4ee5\u9ad8\u6548\u5730\u6aa2\u7d22\u548c\u7ba1\u7406\u6578\u64da\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u8a9e\u6cd5\u5f8c\uff0c\u60a8\u5c07\u80fd\u5920\u66f4\u597d\u5730\u5229\u7528SQL Server\u9032\u884c\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LUwkUyOcoX\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u5b78\u7fd2SQL Server\u7684\u904e\u7a0b\u4e2d\uff0c\u7c21\u55ae\u7684\u9078\u53d6\u8a9e\u53e5\u662f\u6bcf\u500b\u6578\u64da\u5eab\u4f7f\u7528\u8005\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002\u900f\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u5e0c\u671b\u80fd\u5e6b\u52a9\u60a8\u66f4\u6df1\u5165\u5730\u7406\u89e3SQL Server\u7684\u57fa\u672c\u64cd\u4f5c\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u4eab\u53d7\u7a69\u5b9a\u548c\u5b89\u5168\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL Server\u7684\u7c21\u55ae\u9078\u53d6\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u80fd\u529b\uff0c\u8b93\u4f60\u66f4\u6e05\u6670\u5730\u7406\u89e3\u548c\u904b\u7528\u6578\u64da\u5eab\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-152299","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152299","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=152299"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152299\/revisions"}],"predecessor-version":[{"id":152300,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152299\/revisions\/152300"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}