{"id":193443,"date":"2024-11-12T22:13:20","date_gmt":"2024-11-12T14:13:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193443\/"},"modified":"2024-11-12T22:13:22","modified_gmt":"2024-11-12T14:13:22","slug":"%e5%ad%b8%e7%bf%92mssql%e5%9f%ba%e6%9c%ac%e8%aa%9e%e5%8f%a5%ef%bc%8c%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc%e6%8a%80%e8%83%bd%e3%80%82%ef%bc%88mssql%e5%9f%ba%e6%9c%ac%e8%aa%9e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193443\/","title":{"rendered":"\u5b78\u7fd2MSSQL\u57fa\u672c\u8a9e\u53e5\uff0c\u7372\u53d6\u6578\u64da\u5eab\u958b\u767c\u6280\u80fd\u3002\uff08mssql\u57fa\u672c\u8a9e\u53e5\uff09"},"content":{"rendered":"<h1 id=\"%e5%ad%b8%e7%bf%92mssql%e5%9f%ba%e6%9c%ac%e8%aa%9e%e5%8f%a5%ef%bc%8c%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e9%96%8b%e7%99%bc%e6%8a%80%e8%83%bd-LqRyCkwHcJ\">\u5b78\u7fd2MSSQL\u57fa\u672c\u8a9e\u53e5\uff0c\u7372\u53d6\u6578\u64da\u5eab\u958b\u767c\u6280\u80fd<\/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\u3002Microsoft SQL Server\uff08MSSQL\uff09\u662f\u6700\u53d7\u6b61\u8fce\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e4b\u4e00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u548c\u958b\u767c\u8005\u4e2d\u3002\u638c\u63e1MSSQL\u7684\u57fa\u672c\u8a9e\u53e5\u4e0d\u50c5\u80fd\u63d0\u5347\u6578\u64da\u5eab\u958b\u767c\u6280\u80fd\uff0c\u9084\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002<\/p>\n<h2 id=\"mssql%e5%9f%ba%e6%9c%ac%e8%aa%9e%e5%8f%a5%e6%a6%82%e8%bf%b0-LqRyCkwHcJ\">MSSQL\u57fa\u672c\u8a9e\u53e5\u6982\u8ff0<\/h2>\n<p>MSSQL\u7684\u57fa\u672c\u8a9e\u53e5\u4e3b\u8981\u5305\u62ec\u6578\u64da\u67e5\u8a62\u8a9e\u8a00\uff08SQL\uff09\u4e2d\u7684\u56db\u500b\u4e3b\u8981\u64cd\u4f5c\uff1a\u67e5\u8a62\uff08SELECT\uff09\u3001\u63d2\u5165\uff08INSERT\uff09\u3001\u66f4\u65b0\uff08UPDATE\uff09\u548c\u522a\u9664\uff08DELETE\uff09\u3002\u9019\u4e9b\u64cd\u4f5c\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u57fa\u790e\uff0c\u7406\u89e3\u5b83\u5011\u7684\u7528\u6cd5\u5c0d\u65bc\u4efb\u4f55\u6578\u64da\u5eab\u958b\u767c\u8005\u4f86\u8aaa\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n<h3 id=\"1-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%ef%bc%9aselect-LqRyCkwHcJ\">1. \u67e5\u8a62\u6578\u64da\uff1aSELECT<\/h3>\n<p>\u67e5\u8a62\u6578\u64da\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u4e2d\u6700\u5e38\u898b\u7684\u4efb\u52d9\u3002\u4f7f\u7528SELECT\u8a9e\u53e5\u53ef\u4ee5\u5f9e\u6578\u64da\u8868\u4e2d\u6aa2\u7d22\u6240\u9700\u7684\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684SELECT\u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM Customers;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u5f9eCustomers\u8868\u4e2d\u9078\u64c7\u6240\u6709\u5217\u7684\u6240\u6709\u884c\u3002\u5982\u679c\u53ea\u9700\u8981\u7279\u5b9a\u7684\u5217\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT FirstName, LastName FROM Customers;<\/code><\/pre>\n<h3 id=\"2-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a%ef%bc%9ainsert-LqRyCkwHcJ\">2. \u63d2\u5165\u6578\u64da\uff1aINSERT<\/h3>\n<p>\u8981\u5c07\u65b0\u6578\u64da\u63d2\u5165\u5230\u6578\u64da\u8868\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528INSERT\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>INSERT INTO Customers (FirstName, LastName) VALUES ('John', 'Doe');<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u4e00\u500b\u65b0\u5ba2\u6236\u7684\u540d\u5b57\u548c\u59d3\u6c0f\u63d2\u5165\u5230Customers\u8868\u4e2d\u3002<\/p>\n<h3 id=\"3-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a%ef%bc%9aupdate-LqRyCkwHcJ\">3. \u66f4\u65b0\u6578\u64da\uff1aUPDATE<\/h3>\n<p>\u5982\u679c\u9700\u8981\u4fee\u6539\u5df2\u5b58\u5728\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528UPDATE\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u66f4\u65b0\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>UPDATE Customers SET LastName = 'Smith' WHERE FirstName = 'John';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u6240\u6709\u540d\u70baJohn\u7684\u5ba2\u6236\u7684\u59d3\u6c0f\u66f4\u65b0\u70baSmith\u3002<\/p>\n<h3 id=\"4-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%ef%bc%9adelete-LqRyCkwHcJ\">4. \u522a\u9664\u6578\u64da\uff1aDELETE<\/h3>\n<p>\u8981\u522a\u9664\u6578\u64da\u8868\u4e2d\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528DELETE\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u522a\u9664\u6578\u64da\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>DELETE FROM Customers WHERE LastName = 'Smith';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u522a\u9664\u6240\u6709\u59d3\u6c0f\u70baSmith\u7684\u5ba2\u6236\u3002<\/p>\n<h2 id=\"%e9%80%b2%e9%9a%8e%e6%9f%a5%e8%a9%a2%ef%bc%9awhere%e3%80%81order-by-%e5%92%8c-group-by-LqRyCkwHcJ\">\u9032\u968e\u67e5\u8a62\uff1aWHERE\u3001ORDER BY \u548c GROUP BY<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u67e5\u8a62\u6642\uff0c\u7d93\u5e38\u9700\u8981\u4f7f\u7528\u689d\u4ef6\u4f86\u904e\u6ffe\u6578\u64da\u3002\u9019\u6642\u53ef\u4ee5\u4f7f\u7528WHERE\u5b50\u53e5\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM Customers WHERE Country = 'USA';<\/code><\/pre>\n<p>\u6b64\u5916\uff0cORDER BY\u5b50\u53e5\u53ef\u4ee5\u7528\u4f86\u5c0d\u67e5\u8a62\u7d50\u679c\u9032\u884c\u6392\u5e8f\uff1a<\/p>\n<pre><code>SELECT * FROM Customers ORDER BY LastName ASC;<\/code><\/pre>\n<p>\u800cGROUP BY\u5b50\u53e5\u5247\u53ef\u4ee5\u7528\u4f86\u5c0d\u6578\u64da\u9032\u884c\u5206\u7d44\uff0c\u901a\u5e38\u8207\u805a\u5408\u51fd\u6578\u4e00\u8d77\u4f7f\u7528\uff1a<\/p>\n<pre><code>SELECT COUNT(*), Country FROM Customers GROUP BY Country;<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-LqRyCkwHcJ\">\u7d50\u8ad6<\/h2>\n<p>\u5b78\u7fd2MSSQL\u7684\u57fa\u672c\u8a9e\u53e5\u662f\u6210\u70ba\u4e00\u540d\u6210\u529f\u7684\u6578\u64da\u5eab\u958b\u767c\u8005\u7684\u7b2c\u4e00\u6b65\u3002\u901a\u904e\u638c\u63e1\u67e5\u8a62\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u7b49\u57fa\u672c\u64cd\u4f5c\uff0c\u60a8\u5c07\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002\u96a8\u8457\u6280\u80fd\u7684\u63d0\u5347\uff0c\u60a8\u9084\u53ef\u4ee5\u63a2\u7d22\u66f4\u8907\u96dc\u7684\u67e5\u8a62\u548c\u6578\u64da\u5eab\u8a2d\u8a08\u6280\u8853\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6709\u66f4\u9ad8\u7684\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u958b\u767c\u5de5\u4f5c\u63d0\u4f9b\u66f4\u5927\u7684\u9748\u6d3b\u6027\u548c\u63a7\u5236\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2MSSQL\u57fa\u672c\u8a9e\u53e5\uff0c\u638c\u63e1\u6578\u64da\u5eab\u958b\u767c\u6280\u80fd\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u8207\u67e5\u8a62\u80fd\u529b\uff0c\u52a9\u4f60\u5728\u8077\u5834\u4e2d\u812b\u7a4e\u800c\u51fa\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-193443","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193443","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=193443"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193443\/revisions"}],"predecessor-version":[{"id":193444,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193443\/revisions\/193444"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}