{"id":193515,"date":"2024-11-12T22:49:19","date_gmt":"2024-11-12T14:49:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193515\/"},"modified":"2024-11-12T22:49:21","modified_gmt":"2024-11-12T14:49:21","slug":"%e5%ad%b8%e7%bf%92sql-server%ef%bc%9a%e7%b7%b4%e7%bf%92%e7%af%87%ef%bc%88sqlserver%e7%bf%92%e9%a1%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193515\/","title":{"rendered":"\u5b78\u7fd2SQL Server\uff1a\u7df4\u7fd2\u7bc7\uff08sqlserver\u7fd2\u984c\uff09"},"content":{"rendered":"<h1 id=\"%e5%ad%b8%e7%bf%92sql-server%ef%bc%9a%e7%b7%b4%e7%bf%92%e7%af%87%ef%bc%88sqlserver%e7%bf%92%e9%a1%8c%ef%bc%89-ffBHCoeHyY\">\u5b78\u7fd2SQL Server\uff1a\u7df4\u7fd2\u7bc7\uff08sqlserver\u7fd2\u984c\uff09<\/h1>\n<p>SQL Server \u662f\u5fae\u8edf\u7684\u4e00\u6b3e\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u7a0b\u5f0f\u4e2d\u3002\u5b78\u7fd2 SQL Server \u7684\u904e\u7a0b\u4e2d\uff0c\u5be6\u8e10\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u74b0\u3002\u672c\u6587\u5c07\u63d0\u4f9b\u4e00\u4e9b SQL Server \u7684\u7df4\u7fd2\u984c\uff0c\u5e6b\u52a9\u8b80\u8005\u52a0\u6df1\u5c0d SQL \u8a9e\u8a00\u7684\u7406\u89e3\u548c\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5%e5%9b%9e%e9%a1%a7-ffBHCoeHyY\">\u57fa\u672c\u6982\u5ff5\u56de\u9867<\/h2>\n<p>\u5728\u9032\u5165\u7df4\u7fd2\u984c\u4e4b\u524d\uff0c\u6211\u5011\u5148\u7c21\u55ae\u56de\u9867\u4e00\u4e0b SQL Server \u7684\u57fa\u672c\u6982\u5ff5\u3002SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u7528\u65bc\u8207\u8cc7\u6599\u5eab\u9032\u884c\u4e92\u52d5\u7684\u8a9e\u8a00\u3002SQL Server \u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\uff0c\u5305\u62ec\u8cc7\u6599\u67e5\u8a62\u3001\u8cc7\u6599\u66f4\u65b0\u3001\u8cc7\u6599\u522a\u9664\u548c\u8cc7\u6599\u63d2\u5165\u7b49\u3002<\/p>\n<h3 id=\"%e5%b8%b8%e7%94%a8-sql-%e8%aa%9e%e5%8f%a5-ffBHCoeHyY\">\u5e38\u7528 SQL \u8a9e\u53e5<\/h3>\n<ul>\n<li><code>SELECT<\/code>\uff1a\u7528\u65bc\u67e5\u8a62\u8cc7\u6599\u3002<\/li>\n<li><code>INSERT<\/code>\uff1a\u7528\u65bc\u63d2\u5165\u65b0\u8cc7\u6599\u3002<\/li>\n<li><code>UPDATE<\/code>\uff1a\u7528\u65bc\u66f4\u65b0\u73fe\u6709\u8cc7\u6599\u3002<\/li>\n<li><code>DELETE<\/code>\uff1a\u7528\u65bc\u522a\u9664\u8cc7\u6599\u3002<\/li>\n<li><code>CREATE TABLE<\/code>\uff1a\u7528\u65bc\u5275\u5efa\u65b0\u8cc7\u6599\u8868\u3002<\/li>\n<li><code>ALTER TABLE<\/code>\uff1a\u7528\u65bc\u4fee\u6539\u8cc7\u6599\u8868\u7d50\u69cb\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b7%b4%e7%bf%92%e9%a1%8c-ffBHCoeHyY\">\u7df4\u7fd2\u984c<\/h2>\n<h3 id=\"%e7%b7%b4%e7%bf%92%e9%a1%8c-1%ef%bc%9a%e6%9f%a5%e8%a9%a2%e8%b3%87%e6%96%99-ffBHCoeHyY\">\u7df4\u7fd2\u984c 1\uff1a\u67e5\u8a62\u8cc7\u6599<\/h3>\n<p>\u5047\u8a2d\u6709\u4e00\u500b\u540d\u70ba <code>Employees<\/code> \u7684\u8cc7\u6599\u8868\uff0c\u7d50\u69cb\u5982\u4e0b\uff1a<\/p>\n<pre>\nCREATE TABLE Employees (\n    EmployeeID INT PRIMARY KEY,\n    FirstName NVARCHAR(50),\n    LastName NVARCHAR(50),\n    HireDate DATE\n);\n<\/pre>\n<p>\u8acb\u64b0\u5beb\u4e00\u500b SQL \u67e5\u8a62\uff0c\u9078\u64c7\u6240\u6709\u54e1\u5de5\u7684\u540d\u5b57\u548c\u5165\u8077\u65e5\u671f\u3002<\/p>\n<pre>\nSELECT FirstName, LastName, HireDate FROM Employees;\n<\/pre>\n<h3 id=\"%e7%b7%b4%e7%bf%92%e9%a1%8c-2%ef%bc%9a%e6%8f%92%e5%85%a5%e8%b3%87%e6%96%99-ffBHCoeHyY\">\u7df4\u7fd2\u984c 2\uff1a\u63d2\u5165\u8cc7\u6599<\/h3>\n<p>\u5728 <code>Employees<\/code> \u8cc7\u6599\u8868\u4e2d\u63d2\u5165\u4e00\u540d\u65b0\u54e1\u5de5\uff0c\u540d\u5b57\u70ba John\uff0c\u59d3\u6c0f\u70ba Doe\uff0c\u5165\u8077\u65e5\u671f\u70ba 2023-01-15\u3002<\/p>\n<pre>\nINSERT INTO Employees (FirstName, LastName, HireDate) \nVALUES ('John', 'Doe', '2023-01-15');\n<\/pre>\n<h3 id=\"%e7%b7%b4%e7%bf%92%e9%a1%8c-3%ef%bc%9a%e6%9b%b4%e6%96%b0%e8%b3%87%e6%96%99-ffBHCoeHyY\">\u7df4\u7fd2\u984c 3\uff1a\u66f4\u65b0\u8cc7\u6599<\/h3>\n<p>\u5c07\u54e1\u5de5 ID \u70ba 1 \u7684\u54e1\u5de5\u7684\u59d3\u6c0f\u66f4\u65b0\u70ba Smith\u3002<\/p>\n<pre>\nUPDATE Employees \nSET LastName = 'Smith' \nWHERE EmployeeID = 1;\n<\/pre>\n<h3 id=\"%e7%b7%b4%e7%bf%92%e9%a1%8c-4%ef%bc%9a%e5%88%aa%e9%99%a4%e8%b3%87%e6%96%99-ffBHCoeHyY\">\u7df4\u7fd2\u984c 4\uff1a\u522a\u9664\u8cc7\u6599<\/h3>\n<p>\u522a\u9664\u5165\u8077\u65e5\u671f\u65e9\u65bc 2020-01-01 \u7684\u6240\u6709\u54e1\u5de5\u8cc7\u6599\u3002<\/p>\n<pre>\nDELETE FROM Employees \nWHERE HireDate &lt; &#039;2020-01-01&#039;;\n<\/pre>\n<h3 id=\"%e7%b7%b4%e7%bf%92%e9%a1%8c-5%ef%bc%9a%e8%a4%87%e9%9b%9c%e6%9f%a5%e8%a9%a2-ffBHCoeHyY\">\u7df4\u7fd2\u984c 5\uff1a\u8907\u96dc\u67e5\u8a62<\/h3>\n<p>\u64b0\u5beb\u4e00\u500b\u67e5\u8a62\uff0c\u9078\u64c7\u6240\u6709\u54e1\u5de5\u7684\u5168\u540d\uff08\u540d\u5b57 + \u59d3\u6c0f\uff09\uff0c\u4e26\u6309\u5165\u8077\u65e5\u671f\u6392\u5e8f\u3002<\/p>\n<pre>\nSELECT CONCAT(FirstName, ' ', LastName) AS FullName, HireDate \nFROM Employees \nORDER BY HireDate;\n<\/pre>\n<h2 id=\"%e9%80%b2%e4%b8%80%e6%ad%a5%e5%ad%b8%e7%bf%92-ffBHCoeHyY\">\u9032\u4e00\u6b65\u5b78\u7fd2<\/h2>\n<p>\u9664\u4e86\u4e0a\u8ff0\u7df4\u7fd2\u984c\uff0c\u5b78\u7fd2 SQL Server \u9084\u53ef\u4ee5\u901a\u904e\u53c3\u52a0\u7dda\u4e0a\u8ab2\u7a0b\u3001\u95b1\u8b80\u76f8\u95dc\u66f8\u7c4d\u548c\u53c3\u52a0\u793e\u7fa4\u8a0e\u8ad6\u4f86\u9032\u4e00\u6b65\u63d0\u5347\u6280\u80fd\u3002\u5be6\u969b\u64cd\u4f5c\u662f\u5b78\u7fd2\u7684\u6700\u4f73\u65b9\u5f0f\uff0c\u5efa\u8b70\u8b80\u8005\u5728\u672c\u5730\u74b0\u5883\u4e2d\u5b89\u88dd SQL Server\uff0c\u4e26\u9032\u884c\u5be6\u969b\u7684\u7df4\u7fd2\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ffBHCoeHyY\">\u7e3d\u7d50<\/h2>\n<p>\u5b78\u7fd2 SQL Server \u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u900f\u904e\u4e0d\u65b7\u7684\u7df4\u7fd2\u548c\u5be6\u8e10\uff0c\u60a8\u5c07\u80fd\u5920\u719f\u7df4\u638c\u63e1\u9019\u9805\u6280\u8853\u3002\u7121\u8ad6\u662f\u67e5\u8a62\u8cc7\u6599\u3001\u66f4\u65b0\u8cc7\u6599\u9084\u662f\u9032\u884c\u8907\u96dc\u7684\u8cc7\u6599\u64cd\u4f5c\uff0c\u9019\u4e9b\u7df4\u7fd2\u984c\u90fd\u80fd\u5e6b\u52a9\u60a8\u5efa\u7acb\u5805\u5be6\u7684\u57fa\u790e\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u8cc7\u6599\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u652f\u6301\u60a8\u7684\u5b78\u7fd2\u548c\u958b\u767c\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1SQL Server\u7684\u7df4\u7fd2\u7bc7\uff0c\u900f\u904e\u591a\u6a23\u7fd2\u984c\u63d0\u5347\u4f60\u7684\u6578\u64da\u5eab\u6280\u80fd\uff0c\u8f15\u9b06\u5b78\u7fd2\u4e26\u61c9\u7528SQL\u67e5\u8a62\u6280\u5de7\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-193515","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193515","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=193515"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193515\/revisions"}],"predecessor-version":[{"id":193516,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193515\/revisions\/193516"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}