{"id":190410,"date":"2024-11-12T12:21:21","date_gmt":"2024-11-12T04:21:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190410\/"},"modified":"2024-11-12T12:21:22","modified_gmt":"2024-11-12T04:21:22","slug":"%e7%82%basql-server%e5%bb%ba%e7%ab%8b%e5%bc%b7%e5%a4%a7%e7%9a%84%e6%95%b8%e5%80%bc%e5%9e%8b%e6%87%89%e7%94%a8%ef%bc%88%e6%95%b8%e5%80%bc%e5%9e%8bsqlserver%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190410\/","title":{"rendered":"\u70baSQL Server\u5efa\u7acb\u5f37\u5927\u7684\u6578\u503c\u578b\u61c9\u7528\uff08\u6578\u503c\u578bsqlserver\uff09"},"content":{"rendered":"<h1 id=\"%e7%82%basql-server%e5%bb%ba%e7%ab%8b%e5%bc%b7%e5%a4%a7%e7%9a%84%e6%95%b8%e5%80%bc%e5%9e%8b%e6%87%89%e7%94%a8%ef%bc%88%e6%95%b8%e5%80%bc%e5%9e%8bsqlserver%ef%bc%89-WJLaNzpNYp\">\u70baSQL Server\u5efa\u7acb\u5f37\u5927\u7684\u6578\u503c\u578b\u61c9\u7528\uff08\u6578\u503c\u578bsqlserver\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002SQL Server\u4f5c\u70ba\u5fae\u8edf\u7684\u4e00\u6b3e\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5546\u696d\u548c\u6280\u8853\u74b0\u5883\u4e2d\u3002\u7279\u5225\u662f\u5728\u6578\u503c\u578b\u61c9\u7528\u7684\u958b\u767c\u4e2d\uff0cSQL Server\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u529f\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u548c\u5206\u6790\u5927\u91cf\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u70baSQL Server\u5efa\u7acb\u5f37\u5927\u7684\u6578\u503c\u578b\u61c9\u7528\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"%e6%95%b8%e5%80%bc%e5%9e%8b%e6%95%b8%e6%93%9a%e7%9a%84%e7%89%b9%e6%80%a7-WJLaNzpNYp\">\u6578\u503c\u578b\u6578\u64da\u7684\u7279\u6027<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u6578\u503c\u578b\u6578\u64da\u4e3b\u8981\u5305\u62ec\u6574\u6578\u3001\u6d6e\u9ede\u6578\u548c\u5341\u9032\u5236\u6578\u7b49\u985e\u578b\u3002\u9019\u4e9b\u6578\u64da\u985e\u578b\u7684\u9078\u64c7\u5c0d\u65bc\u61c9\u7528\u7684\u6027\u80fd\u548c\u6e96\u78ba\u6027\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u503c\u578b\u6578\u64da\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>INT<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u6574\u6578\uff0c\u7bc4\u570d\u5f9e-2,147,483,648\u52302,147,483,647\u3002<\/li>\n<li><strong>FLOAT<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u6d6e\u9ede\u6578\uff0c\u9069\u5408\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u8a08\u7b97\u3002<\/li>\n<li><strong>DECIMAL<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u7cbe\u78ba\u7684\u5341\u9032\u5236\u6578\uff0c\u7279\u5225\u9069\u5408\u91d1\u878d\u8a08\u7b97\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bb%ba%e7%ab%8b%e6%95%b8%e5%80%bc%e5%9e%8b%e6%87%89%e7%94%a8%e7%9a%84%e6%ad%a5%e9%a9%9f-WJLaNzpNYp\">\u5efa\u7acb\u6578\u503c\u578b\u61c9\u7528\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e8%a8%ad%e8%a8%88%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b-WJLaNzpNYp\">1. \u8a2d\u8a08\u6578\u64da\u5eab\u7d50\u69cb<\/h3>\n<p>\u5728\u958b\u59cb\u958b\u767c\u6578\u503c\u578b\u61c9\u7528\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8a2d\u8a08\u6578\u64da\u5eab\u7d50\u69cb\u3002\u9019\u5305\u62ec\u78ba\u5b9a\u9700\u8981\u5b58\u5132\u7684\u6578\u64da\u985e\u578b\u3001\u8868\u7684\u7d50\u69cb\u4ee5\u53ca\u5b83\u5011\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u8981\u5efa\u7acb\u4e00\u500b\u7c21\u55ae\u7684\u92b7\u552e\u6578\u64da\u5eab\uff0c\u53ef\u80fd\u9700\u8981\u4ee5\u4e0b\u8868\uff1a<\/p>\n<pre><code>\nCREATE TABLE Sales (\n    SaleID INT PRIMARY KEY,\n    ProductName NVARCHAR(100),\n    Quantity INT,\n    Price DECIMAL(10, 2),\n    SaleDate DATETIME\n);\n<\/code><\/pre>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e8%88%87%e6%9f%a5%e8%a9%a2-WJLaNzpNYp\">2. \u6578\u64da\u63d2\u5165\u8207\u67e5\u8a62<\/h3>\n<p>\u4e00\u65e6\u6578\u64da\u5eab\u7d50\u69cb\u8a2d\u8a08\u5b8c\u6210\uff0c\u5c31\u53ef\u4ee5\u958b\u59cb\u63d2\u5165\u6578\u64da\u4e26\u9032\u884c\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nINSERT INTO Sales (SaleID, ProductName, Quantity, Price, SaleDate)\nVALUES (1, '\u7522\u54c1A', 10, 99.99, GETDATE());\n<\/code><\/pre>\n<p>\u67e5\u8a62\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u805a\u5408\u51fd\u6578\u4f86\u8a08\u7b97\u7e3d\u92b7\u552e\u984d\uff1a<\/p>\n<pre><code>\nSELECT SUM(Quantity * Price) AS TotalSales\nFROM Sales;\n<\/code><\/pre>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90%e8%88%87%e5%a0%b1%e5%91%8a-WJLaNzpNYp\">3. \u6578\u64da\u5206\u6790\u8207\u5831\u544a<\/h3>\n<p>SQL Server\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u9032\u884c\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u3002\u4f7f\u7528T-SQL\u8a9e\u8a00\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u751f\u6210\u5831\u544a\uff0c\u4e26\u9032\u884c\u6578\u64da\u7684\u53ef\u8996\u5316\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u6bcf\u500b\u7522\u54c1\u7684\u92b7\u552e\u7e3d\u984d\uff1a<\/p>\n<pre><code>\nSELECT ProductName, SUM(Quantity * Price) AS TotalSales\nFROM Sales\nGROUP BY ProductName;\n<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-WJLaNzpNYp\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u958b\u767c\u6578\u503c\u578b\u61c9\u7528\u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b<\/strong>\uff1a\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u6578\u64da\u985e\u578b\uff0c\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u548c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7d22\u5f15<\/strong>\uff1a\u5c0d\u65bc\u7d93\u5e38\u67e5\u8a62\u7684\u5b57\u6bb5\uff0c\u8003\u616e\u5efa\u7acb\u7d22\u5f15\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u5b9a\u671f\u5099\u4efd\u6578\u64da<\/strong>\uff1a\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u548c\u5b8c\u6574\u6027\uff0c\u5b9a\u671f\u9032\u884c\u6578\u64da\u5099\u4efd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-WJLaNzpNYp\">\u7d50\u8ad6<\/h2>\n<p>\u70baSQL Server\u5efa\u7acb\u5f37\u5927\u7684\u6578\u503c\u578b\u61c9\u7528\u9700\u8981\u4ed4\u7d30\u7684\u8a2d\u8a08\u548c\u5be6\u65bd\u3002\u901a\u904e\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u3001\u8a2d\u8a08\u5408\u7406\u7684\u6578\u64da\u5eab\u7d50\u69cb\u4ee5\u53ca\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u8655\u7406\u548c\u5206\u6790\u6578\u64da\uff0c\u5f9e\u800c\u652f\u6301\u696d\u52d9\u6c7a\u7b56\u548c\u589e\u9577\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u6a5f\u74b0\u5883\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u7684\u8cc7\u8a0a\uff0c\u53ef\u4ee5\u5e6b\u52a9\u60a8\u9078\u64c7\u6700\u9069\u5408\u7684\u89e3\u6c7a\u65b9\u6848\u4ee5\u652f\u6301\u60a8\u7684\u6578\u503c\u578b\u61c9\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u70baSQL Server\u5efa\u7acb\u5f37\u5927\u7684\u6578\u503c\u578b\u61c9\u7528\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u5be6\u73fe\u7cbe\u78ba\u7684\u6578\u64da\u5206\u6790\u8207\u7ba1\u7406\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-190410","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190410","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=190410"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190410\/revisions"}],"predecessor-version":[{"id":190411,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190410\/revisions\/190411"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}