{"id":139053,"date":"2024-10-31T17:51:26","date_gmt":"2024-10-31T09:51:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/139053\/"},"modified":"2024-10-31T17:51:26","modified_gmt":"2024-10-31T09:51:26","slug":"sql-server%e5%af%a6%e8%b8%90%e6%80%a7%e7%b7%b4%e7%bf%92%e4%b9%8b%e5%89%b5%e5%bb%ba%e5%ba%ab%e8%a1%a8%e5%8f%8a%e6%a2%9d%e4%bb%b6%e6%9f%a5%e8%a9%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/139053\/","title":{"rendered":"SQL Server\u5be6\u8e10\u6027\u7df4\u7fd2\u4e4b\u5275\u5efa\u5eab\u8868\u53ca\u689d\u4ef6\u67e5\u8a62"},"content":{"rendered":"

SQL Server\u5be6\u8e10\u6027\u7df4\u7fd2\u4e4b\u5275\u5efa\u5eab\u8868\u53ca\u689d\u4ef6\u67e5\u8a62<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0cSQL Server\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u696d\u52d9\u5834\u666f\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728SQL Server\u4e2d\u5275\u5efa\u6578\u64da\u5eab\u548c\u8868\uff0c\u4e26\u9032\u884c\u689d\u4ef6\u67e5\u8a62\uff0c\u5e6b\u52a9\u8b80\u8005\u638c\u63e1\u57fa\u672c\u7684SQL\u64cd\u4f5c\u3002<\/p>\n

\u4e00\u3001\u5275\u5efa\u6578\u64da\u5eab<\/h2>\n

\u5728SQL Server\u4e2d\uff0c\u5275\u5efa\u6578\u64da\u5eab\u7684\u8a9e\u6cd5\u76f8\u5c0d\u7c21\u55ae\u3002\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cTestDB\u201d\u7684\u6578\u64da\u5eab\uff1a<\/p>\n

CREATE DATABASE TestDB;<\/code><\/pre>\n
\u57f7\u884c\u4e0a\u8ff0\u8a9e\u53e5\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5728SQL Server\u7ba1\u7406\u5de5\u4f5c\u5ba4\u4e2d\u67e5\u770b\u65b0\u5275\u5efa\u7684\u6578\u64da\u5eab\u3002<\/p>\n
\u4e8c\u3001\u5275\u5efa\u6578\u64da\u8868<\/h2>\n
\u5728\u5275\u5efa\u6578\u64da\u5eab\u5f8c\uff0c\u63a5\u4e0b\u4f86\u9700\u8981\u5275\u5efa\u6578\u64da\u8868\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u540d\u70ba\u201cEmployees\u201d\u7684\u8868\u7684\u793a\u4f8b\uff0c\u8a72\u8868\u5305\u542b\u54e1\u5de5\u7684ID\u3001\u59d3\u540d\u548c\u5e74\u9f61\uff1a<\/p>\n
USE TestDB;\n\nCREATE TABLE Employees (\n    EmployeeID INT PRIMARY KEY,\n    Name NVARCHAR(100),\n    Age INT\n);<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86\u201cUSE\u201d\u8a9e\u53e5\u4f86\u9078\u64c7\u525b\u525b\u5275\u5efa\u7684\u6578\u64da\u5eab\uff0c\u7136\u5f8c\u4f7f\u7528\u201cCREATE TABLE\u201d\u8a9e\u53e5\u4f86\u5b9a\u7fa9\u8868\u7684\u7d50\u69cb\u3002\u9019\u88e1\uff0cEmployeeID\u88ab\u8a2d\u7f6e\u70ba\u4e3b\u9375\uff0c\u4ee5\u78ba\u4fdd\u6bcf\u500b\u54e1\u5de5\u7684ID\u90fd\u662f\u552f\u4e00\u7684\u3002<\/p>\n
\u4e09\u3001\u63d2\u5165\u6578\u64da<\/h2>\n
\u5275\u5efa\u8868\u5f8c\uff0c\u6211\u5011\u9700\u8981\u5411\u8868\u4e2d\u63d2\u5165\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
INSERT INTO Employees (EmployeeID, Name, Age) VALUES (1, '\u5f35\u4e09', 30);\nINSERT INTO Employees (EmployeeID, Name, Age) VALUES (2, '\u674e\u56db', 25);\nINSERT INTO Employees (EmployeeID, Name, Age) VALUES (3, '\u738b\u4e94', 28);<\/code><\/pre>\n
\u9019\u4e9b\u8a9e\u53e5\u5c07\u4e09\u540d\u54e1\u5de5\u7684\u6578\u64da\u63d2\u5165\u5230\u201cEmployees\u201d\u8868\u4e2d\u3002<\/p>\n
\u56db\u3001\u689d\u4ef6\u67e5\u8a62<\/h2>\n
\u5728\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u6578\u64da\u662f\u6700\u5e38\u898b\u7684\u64cd\u4f5c\u4e4b\u4e00\u3002\u4f7f\u7528\u201cSELECT\u201d\u8a9e\u53e5\u53ef\u4ee5\u5f9e\u8868\u4e2d\u6aa2\u7d22\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u689d\u4ef6\u67e5\u8a62\u7684\u793a\u4f8b\uff1a<\/p>\n
1. \u67e5\u8a62\u6240\u6709\u54e1\u5de5<\/h3>\n
SELECT * FROM Employees;<\/code><\/pre>\n
\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u201cEmployees\u201d\u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u3002<\/p>\n
2. \u6839\u64da\u689d\u4ef6\u67e5\u8a62<\/h3>\n
\u5982\u679c\u6211\u5011\u53ea\u60f3\u67e5\u8a62\u5e74\u9f61\u5927\u65bc25\u6b72\u7684\u54e1\u5de5\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
SELECT * FROM Employees WHERE Age > 25;<\/code><\/pre>\n
\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5e74\u9f61\u5927\u65bc25\u6b72\u7684\u54e1\u5de5\u8a18\u9304\u3002<\/p>\n
3. \u7d44\u5408\u689d\u4ef6\u67e5\u8a62<\/h3>\n
\u6211\u5011\u9084\u53ef\u4ee5\u7d44\u5408\u591a\u500b\u689d\u4ef6\u9032\u884c\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u67e5\u8a62\u5e74\u9f61\u572825\u523030\u6b72\u4e4b\u9593\u7684\u54e1\u5de5\uff1a<\/p>\n
SELECT * FROM Employees WHERE Age BETWEEN 25 AND 30;<\/code><\/pre>\n
\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u5e74\u9f61\u572825\u523030\u6b72\u4e4b\u9593\u7684\u6240\u6709\u54e1\u5de5\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u5728SQL Server\u4e2d\u5275\u5efa\u6578\u64da\u5eab\u548c\u8868\uff0c\u4e26\u9032\u884c\u57fa\u672c\u7684\u689d\u4ef6\u67e5\u8a62\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5f8c\uff0c\u60a8\u53ef\u4ee5\u9032\u4e00\u6b65\u63a2\u7d22\u66f4\u8907\u96dc\u7684SQL\u67e5\u8a62\u548c\u6578\u64da\u5eab\u7ba1\u7406\u6280\u8853\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 \u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u3002\u7121\u8ad6\u662f \u4e91\u4f3a\u670d\u5668<\/a> \u9084\u662f \u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u5728SQL Server\u4e2d\u5275\u5efa\u8cc7\u6599\u5eab\u8868\u53ca\u9032\u884c\u689d\u4ef6\u67e5\u8a62\uff0c\u63d0\u5347\u5be6\u8e10\u6280\u80fd\uff0c\u638c\u63e1\u6578\u64da\u7ba1\u7406\u7684\u57fa\u790e\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-139053","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139053","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=139053"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139053\/revisions"}],"predecessor-version":[{"id":139054,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139053\/revisions\/139054"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=139053"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=139053"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=139053"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}