{"id":168047,"date":"2024-11-06T09:04:17","date_gmt":"2024-11-06T01:04:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168047\/"},"modified":"2024-11-06T09:04:18","modified_gmt":"2024-11-06T01:04:18","slug":"%e5%88%97%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8mssql%e8%a8%ad%e7%bd%ae%e5%94%af%e4%b8%80%e6%80%a7%e6%a8%99%e8%ad%98%e5%88%97%ef%bc%88mssql-%e8%a8%ad%e7%bd%ae%e6%a8%99%e8%ad%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168047\/","title":{"rendered":"\u5217\u5982\u4f55\u4f7f\u7528MSSQL\u8a2d\u7f6e\u552f\u4e00\u6027\u6a19\u8b58\u5217\uff08mssql \u8a2d\u7f6e\u6a19\u8b58\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8mssql%e8%a8%ad%e7%bd%ae%e5%94%af%e4%b8%80%e6%80%a7%e6%a8%99%e8%ad%98%e5%88%97%ef%bc%88mssql-%e8%a8%ad%e7%bd%ae%e6%a8%99%e8%ad%98%ef%bc%89-befvGeSxMt\">\u5982\u4f55\u4f7f\u7528MSSQL\u8a2d\u7f6e\u552f\u4e00\u6027\u6a19\u8b58\u5217\uff08MSSQL \u8a2d\u7f6e\u6a19\u8b58\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u552f\u4e00\u6027\u6a19\u8b58\u5217\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u6642\u3002\u9019\u7a2e\u5217\u901a\u5e38\u7528\u65bc\u78ba\u4fdd\u6bcf\u4e00\u884c\u6578\u64da\u7684\u552f\u4e00\u6027\uff0c\u4e26\u4e14\u5e38\u898b\u65bc\u4e3b\u9375\u7684\u8a2d\u7f6e\u4e2d\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728MSSQL\u4e2d\u8a2d\u7f6e\u552f\u4e00\u6027\u6a19\u8b58\u5217\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%94%af%e4%b8%80%e6%80%a7%e6%a8%99%e8%ad%98%e5%88%97%ef%bc%9f-befvGeSxMt\">\u4ec0\u9ebc\u662f\u552f\u4e00\u6027\u6a19\u8b58\u5217\uff1f<\/h2>\n<p>\u552f\u4e00\u6027\u6a19\u8b58\u5217\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6578\u64da\u985e\u578b\uff0c\u901a\u5e38\u7528\u65bc\u81ea\u52d5\u751f\u6210\u552f\u4e00\u7684\u6574\u6578\u503c\u3002\u9019\u4e9b\u503c\u5728\u6578\u64da\u8868\u4e2d\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u4e0d\u6703\u91cd\u8907\u3002\u9019\u4f7f\u5f97\u552f\u4e00\u6027\u6a19\u8b58\u5217\u975e\u5e38\u9069\u5408\u7528\u4f5c\u4e3b\u9375\uff0c\u56e0\u70ba\u4e3b\u9375\u7684\u4e3b\u8981\u529f\u80fd\u5c31\u662f\u552f\u4e00\u6a19\u8b58\u6bcf\u4e00\u884c\u6578\u64da\u3002<\/p>\n<h2 id=\"%e8%a8%ad%e7%bd%ae%e5%94%af%e4%b8%80%e6%80%a7%e6%a8%99%e8%ad%98%e5%88%97%e7%9a%84%e6%ad%a5%e9%a9%9f-befvGeSxMt\">\u8a2d\u7f6e\u552f\u4e00\u6027\u6a19\u8b58\u5217\u7684\u6b65\u9a5f<\/h2>\n<p>\u5728MSSQL\u4e2d\u8a2d\u7f6e\u552f\u4e00\u6027\u6a19\u8b58\u5217\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u8a2d\u7f6e\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8-befvGeSxMt\">1. \u5275\u5efa\u6578\u64da\u8868<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u6578\u64da\u8868\u3002\u5728\u5275\u5efa\u8868\u6642\uff0c\u53ef\u4ee5\u6307\u5b9a\u67d0\u4e00\u5217\u70ba\u6a19\u8b58\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE Employees (\n    EmployeeID INT IDENTITY(1,1) PRIMARY KEY,\n    FirstName NVARCHAR(50),\n    LastName NVARCHAR(50),\n    HireDate DATETIME\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c<code>EmployeeID<\/code> \u5217\u88ab\u8a2d\u7f6e\u70ba\u6a19\u8b58\u5217\uff0c\u4e26\u4e14\u662f\u4e3b\u9375\u3002<code>IDENTITY(1,1)<\/code> \u8868\u793a\u5f9e1\u958b\u59cb\uff0c\u6bcf\u6b21\u589e\u52a01\u3002<\/p>\n<h3 id=\"2-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-befvGeSxMt\">2. \u63d2\u5165\u6578\u64da<\/h3>\n<p>\u7576\u6211\u5011\u5411\u8868\u4e2d\u63d2\u5165\u6578\u64da\u6642\uff0c\u7121\u9700\u70ba\u6a19\u8b58\u5217\u63d0\u4f9b\u503c\uff0c\u56e0\u70baSQL Server\u6703\u81ea\u52d5\u751f\u6210\u9019\u4e9b\u503c\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO Employees (FirstName, LastName, HireDate)\nVALUES ('John', 'Doe', '2023-01-01'),\n       ('Jane', 'Smith', '2023-01-02');<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u63d2\u5165\u8a9e\u53e5\u5f8c\uff0c<code>EmployeeID<\/code> \u5217\u5c07\u81ea\u52d5\u751f\u6210\u552f\u4e00\u7684\u6a19\u8b58\u503c\u3002<\/p>\n<h3 id=\"3-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-befvGeSxMt\">3. \u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u7d22\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM Employees;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u54e1\u5de5\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u81ea\u52d5\u751f\u6210\u7684<code>EmployeeID<\/code>\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e6%94%b9%e7%8f%be%e6%9c%89%e8%a1%a8%e4%bb%a5%e6%b7%bb%e5%8a%a0%e5%94%af%e4%b8%80%e6%80%a7%e6%a8%99%e8%ad%98%e5%88%97-befvGeSxMt\">\u4fee\u6539\u73fe\u6709\u8868\u4ee5\u6dfb\u52a0\u552f\u4e00\u6027\u6a19\u8b58\u5217<\/h2>\n<p>\u5982\u679c\u60a8\u5df2\u7d93\u6709\u4e00\u500b\u6578\u64da\u8868\uff0c\u4f46\u5e0c\u671b\u6dfb\u52a0\u4e00\u500b\u552f\u4e00\u6027\u6a19\u8b58\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%b7%bb%e5%8a%a0%e6%96%b0%e5%88%97-befvGeSxMt\">1. \u6dfb\u52a0\u65b0\u5217<\/h3>\n<p>\u9996\u5148\uff0c\u4f7f\u7528<code>ALTER TABLE<\/code>\u8a9e\u53e5\u6dfb\u52a0\u65b0\u5217\uff1a<\/p>\n<pre><code>ALTER TABLE Employees\nADD NewEmployeeID INT IDENTITY(1,1);<\/code><\/pre>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e4%b8%bb%e9%8d%b5-befvGeSxMt\">2. \u8a2d\u7f6e\u4e3b\u9375<\/h3>\n<p>\u7136\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5c07\u65b0\u5217\u8a2d\u7f6e\u70ba\u4e3b\u9375\uff1a<\/p>\n<pre><code>ALTER TABLE Employees\nADD CONSTRAINT PK_Employees PRIMARY KEY (NewEmployeeID);<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-befvGeSxMt\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u8a2d\u7f6e\u552f\u4e00\u6027\u6a19\u8b58\u5217\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u6a19\u8b58\u5217\u7684\u6578\u64da\u985e\u578b\u901a\u5e38\u70ba\u6574\u6578\uff08INT\uff09\uff0c\u4f46\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u6574\u6578\u985e\u578b\uff0c\u5982 BIGINT\u3002<\/li>\n<li>\u6bcf\u500b\u8868\u53ea\u80fd\u6709\u4e00\u500b\u6a19\u8b58\u5217\u3002<\/li>\n<li>\u6a19\u8b58\u5217\u7684\u503c\u662f\u81ea\u52d5\u751f\u6210\u7684\uff0c\u56e0\u6b64\u5728\u63d2\u5165\u6578\u64da\u6642\u4e0d\u9700\u8981\u624b\u52d5\u6307\u5b9a\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-befvGeSxMt\">\u7e3d\u7d50<\/h2>\n<p>\u5728MSSQL\u4e2d\u8a2d\u7f6e\u552f\u4e00\u6027\u6a19\u8b58\u5217\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u904e\u7a0b\uff0c\u53ef\u4ee5\u5e6b\u52a9\u78ba\u4fdd\u6578\u64da\u7684\u552f\u4e00\u6027\u548c\u5b8c\u6574\u6027\u3002\u901a\u904e\u4f7f\u7528<code>IDENTITY<\/code>\u5c6c\u6027\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u70ba\u6bcf\u4e00\u884c\u6578\u64da\u751f\u6210\u552f\u4e00\u7684\u6a19\u8b58\u7b26\u3002\u9019\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u81f3\u95dc\u91cd\u8981\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u548c\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728MSSQL\u4e2d\u8a2d\u7f6e\u552f\u4e00\u6027\u6a19\u8b58\u5217\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u552f\u4e00\u6027\u548c\u5b8c\u6574\u6027\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\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-168047","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168047","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=168047"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168047\/revisions"}],"predecessor-version":[{"id":168048,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168047\/revisions\/168048"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}