{"id":139686,"date":"2024-10-31T19:49:31","date_gmt":"2024-10-31T11:49:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/139686\/"},"modified":"2024-10-31T19:49:31","modified_gmt":"2024-10-31T11:49:31","slug":"sql-server%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e7%a8%ae%e9%a1%9e%e8%88%87%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/139686\/","title":{"rendered":"SQL Server\u6578\u64da\u985e\u578b\u7684\u7a2e\u985e\u8207\u61c9\u7528"},"content":{"rendered":"<h1 id=\"sql-server%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e7%a8%ae%e9%a1%9e%e8%88%87%e6%87%89%e7%94%a8-XVDwccuiyZ\">SQL Server\u6578\u64da\u985e\u578b\u7684\u7a2e\u985e\u8207\u61c9\u7528<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u985e\u578b\u662f\u5b9a\u7fa9\u8cc7\u6599\u7684\u57fa\u672c\u5143\u7d20\u4e4b\u4e00\u3002SQL Server\u4f5c\u70ba\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u985e\u578b\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u61c9\u7528\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0eSQL Server\u4e2d\u7684\u6578\u64da\u985e\u578b\u53ca\u5176\u61c9\u7528\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u4f86\u512a\u5316\u8cc7\u6599\u5eab\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e5%88%86%e9%a1%9e-XVDwccuiyZ\">\u6578\u64da\u985e\u578b\u7684\u5206\u985e<\/h2>\n<p>SQL Server\u7684\u6578\u64da\u985e\u578b\u4e3b\u8981\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u985e\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u503c\u985e\u578b<\/strong><\/li>\n<li><strong>\u5b57\u7b26\u985e\u578b<\/strong><\/li>\n<li><strong>\u65e5\u671f\u548c\u6642\u9593\u985e\u578b<\/strong><\/li>\n<li><strong>\u4e8c\u9032\u5236\u985e\u578b<\/strong><\/li>\n<li><strong>\u5176\u4ed6\u985e\u578b<\/strong><\/li>\n<\/ul>\n<h3 id=\"1-%e6%95%b8%e5%80%bc%e9%a1%9e%e5%9e%8b-XVDwccuiyZ\">1. \u6578\u503c\u985e\u578b<\/h3>\n<p>\u6578\u503c\u985e\u578b\u7528\u65bc\u5b58\u5132\u6578\u5b57\u8cc7\u6599\uff0cSQL Server\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u503c\u985e\u578b\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>INT<\/code>\uff1a\u6574\u6578\u985e\u578b\uff0c\u7bc4\u570d\u5f9e-2,147,483,648\u52302,147,483,647\u3002<\/li>\n<li><code>FLOAT<\/code>\uff1a\u6d6e\u9ede\u6578\u985e\u578b\uff0c\u9069\u5408\u5b58\u5132\u9700\u8981\u5c0f\u6578\u7684\u6578\u5b57\u3002<\/li>\n<li><code>DECIMAL<\/code>\uff1a\u7cbe\u78ba\u6578\u5b57\u985e\u578b\uff0c\u9069\u5408\u5b58\u5132\u91d1\u984d\u7b49\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u6578\u5b57\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5275\u5efa\u4e00\u500b\u5b58\u5132\u91d1\u984d\u7684\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE TABLE Transactions (\n    TransactionID INT PRIMARY KEY,\n    Amount DECIMAL(10, 2)\n);<\/code><\/pre>\n<h3 id=\"2-%e5%ad%97%e7%ac%a6%e9%a1%9e%e5%9e%8b-XVDwccuiyZ\">2. \u5b57\u7b26\u985e\u578b<\/h3>\n<p>\u5b57\u7b26\u985e\u578b\u7528\u65bc\u5b58\u5132\u6587\u672c\u8cc7\u6599\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>CHAR<\/code>\uff1a\u56fa\u5b9a\u9577\u5ea6\u7684\u5b57\u7b26\u985e\u578b\uff0c\u9069\u5408\u5b58\u5132\u9577\u5ea6\u4e00\u81f4\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<li><code>VARCHAR<\/code>\uff1a\u53ef\u8b8a\u9577\u5ea6\u7684\u5b57\u7b26\u985e\u578b\uff0c\u9069\u5408\u5b58\u5132\u9577\u5ea6\u4e0d\u4e00\u7684\u5b57\u7b26\u4e32\u3002<\/li>\n<li><code>NCHAR<\/code>\u548c<code>NVARCHAR<\/code>\uff1a\u7528\u65bc\u5b58\u5132Unicode\u5b57\u7b26\uff0c\u9069\u5408\u591a\u8a9e\u8a00\u61c9\u7528\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5275\u5efa\u4e00\u500b\u7528\u65bc\u5b58\u5132\u7528\u6236\u540d\u7684\u8868\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>CREATE TABLE Users (\n    UserID INT PRIMARY KEY,\n    UserName NVARCHAR(50)\n);<\/code><\/pre>\n<h3 id=\"3-%e6%97%a5%e6%9c%9f%e5%92%8c%e6%99%82%e9%96%93%e9%a1%9e%e5%9e%8b-XVDwccuiyZ\">3. \u65e5\u671f\u548c\u6642\u9593\u985e\u578b<\/h3>\n<p>SQL Server\u63d0\u4f9b\u4e86\u591a\u7a2e\u65e5\u671f\u548c\u6642\u9593\u985e\u578b\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>DATE<\/code>\uff1a\u50c5\u5b58\u5132\u65e5\u671f\u3002<\/li>\n<li><code>TIME<\/code>\uff1a\u50c5\u5b58\u5132\u6642\u9593\u3002<\/li>\n<li><code>DATETIME<\/code>\uff1a\u540c\u6642\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5275\u5efa\u4e00\u500b\u5b58\u5132\u4e8b\u4ef6\u7684\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>CREATE TABLE Events (\n    EventID INT PRIMARY KEY,\n    EventDate DATETIME\n);<\/code><\/pre>\n<h3 id=\"4-%e4%ba%8c%e9%80%b2%e5%88%b6%e9%a1%9e%e5%9e%8b-XVDwccuiyZ\">4. \u4e8c\u9032\u5236\u985e\u578b<\/h3>\n<p>\u4e8c\u9032\u5236\u985e\u578b\u7528\u65bc\u5b58\u5132\u4e8c\u9032\u5236\u6578\u64da\uff0c\u5982\u5716\u50cf\u6216\u6587\u4ef6\u3002\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>BINARY<\/code>\uff1a\u56fa\u5b9a\u9577\u5ea6\u7684\u4e8c\u9032\u5236\u6578\u64da\u3002<\/li>\n<li><code>VARBINARY<\/code>\uff1a\u53ef\u8b8a\u9577\u5ea6\u7684\u4e8c\u9032\u5236\u6578\u64da\u3002<\/li>\n<\/ul>\n<h3 id=\"5-%e5%85%b6%e4%bb%96%e9%a1%9e%e5%9e%8b-XVDwccuiyZ\">5. \u5176\u4ed6\u985e\u578b<\/h3>\n<p>\u6b64\u5916\uff0cSQL Server\u9084\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7279\u6b8a\u7684\u6578\u64da\u985e\u578b\uff0c\u5982\uff1a<\/p>\n<ul>\n<li><code>XML<\/code>\uff1a\u7528\u65bc\u5b58\u5132XML\u6578\u64da\u3002<\/li>\n<li><code>JSON<\/code>\uff1a\u96d6\u7136SQL Server\u4e0d\u76f4\u63a5\u652f\u6301JSON\u985e\u578b\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528<code>NVARCHAR<\/code>\u4f86\u5b58\u5132JSON\u683c\u5f0f\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e9%81%b8%e6%93%87%e8%88%87%e6%87%89%e7%94%a8-XVDwccuiyZ\">\u6578\u64da\u985e\u578b\u7684\u9078\u64c7\u8207\u61c9\u7528<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u5c0d\u65bc\u8cc7\u6599\u5eab\u7684\u6027\u80fd\u548c\u5b58\u5132\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9078\u64c7\u6578\u64da\u985e\u578b\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684\u6578\u503c\u985e\u578b\uff0c\u907f\u514d\u4f7f\u7528\u904e\u5927\u7684\u6578\u64da\u985e\u578b\u3002<\/li>\n<li>\u5c0d\u65bc\u5b57\u7b26\u985e\u578b\uff0c\u6839\u64da\u5be6\u969b\u9700\u8981\u9078\u64c7\u56fa\u5b9a\u6216\u53ef\u8b8a\u9577\u5ea6\u7684\u985e\u578b\u3002<\/li>\n<li>\u5728\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u985e\u578b\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XVDwccuiyZ\">\u7e3d\u7d50<\/h2>\n<p>SQL Server\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u985e\u578b\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u61c9\u7528\u9700\u6c42\u3002\u4e86\u89e3\u9019\u4e9b\u6578\u64da\u985e\u578b\u53ca\u5176\u7279\u6027\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u8a2d\u8a08\u8cc7\u6599\u5eab\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u9078\u64c7\u3002\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u4e0d\u50c5\u80fd\u63d0\u9ad8\u8cc7\u6599\u5eab\u7684\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u5b8c\u6574\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL Server\u6578\u64da\u985e\u578b\u7684\u7a2e\u985e\u53ca\u5176\u61c9\u7528\uff0c\u4e86\u89e3\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u4ee5\u512a\u5316\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-139686","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139686","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=139686"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139686\/revisions"}],"predecessor-version":[{"id":139687,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139686\/revisions\/139687"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=139686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=139686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=139686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}