{"id":160011,"date":"2024-11-03T19:32:23","date_gmt":"2024-11-03T11:32:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160011\/"},"modified":"2024-11-03T19:32:24","modified_gmt":"2024-11-03T11:32:24","slug":"mssql-%e6%95%99%e7%a8%8b-sql-%e9%80%9a%e9%85%8d%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160011\/","title":{"rendered":"MSSQL \u6559\u7a0b SQL \u901a\u914d\u7b26"},"content":{"rendered":"<h1 id=\"mssql-%e6%95%99%e7%a8%8b-sql-%e9%80%9a%e9%85%8d%e7%ac%a6-XozzZJxafS\">MSSQL \u6559\u7a0b SQL \u901a\u914d\u7b26<\/h1>\n<p>\u5728\u4f7f\u7528 Microsoft SQL Server (MSSQL) \u9032\u884c\u6578\u64da\u67e5\u8a62\u6642\uff0c\u901a\u914d\u7b26\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\u3002\u901a\u914d\u7b26\u5141\u8a31\u7528\u6236\u5728\u67e5\u8a62\u4e2d\u9032\u884c\u6a21\u7cca\u5339\u914d\uff0c\u9019\u5c0d\u65bc\u8655\u7406\u4e0d\u5b8c\u5168\u78ba\u5b9a\u7684\u6578\u64da\u6216\u9700\u8981\u9032\u884c\u90e8\u5206\u5339\u914d\u7684\u60c5\u6cc1\u7279\u5225\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39 MSSQL \u4e2d\u7684\u901a\u914d\u7b26\u53ca\u5176\u7528\u6cd5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u61c9\u7528\u9019\u4e00\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e9%80%9a%e9%85%8d%e7%ac%a6%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-XozzZJxafS\">\u901a\u914d\u7b26\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u901a\u914d\u7b26\u662f\u7528\u65bc\u66ff\u4ee3\u4e00\u500b\u6216\u591a\u500b\u5b57\u7b26\u7684\u7279\u6b8a\u7b26\u865f\u3002\u5728 MSSQL \u4e2d\uff0c\u6700\u5e38\u7528\u7684\u901a\u914d\u7b26\u6709\u5169\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>%<\/strong>\uff1a\u4ee3\u8868\u96f6\u500b\u6216\u591a\u500b\u5b57\u7b26\u3002<\/li>\n<li><strong>_<\/strong>\uff1a\u4ee3\u8868\u55ae\u500b\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u901a\u914d\u7b26\u901a\u5e38\u8207 <code>LIKE<\/code> \u95dc\u9375\u5b57\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u4fbf\u5728\u67e5\u8a62\u4e2d\u9032\u884c\u6a21\u7cca\u5339\u914d\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e9%80%9a%e9%85%8d%e7%ac%a6%e7%9a%84%e7%af%84%e4%be%8b-XozzZJxafS\">\u4f7f\u7528\u901a\u914d\u7b26\u7684\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528\u901a\u914d\u7b26\u7684\u57fa\u672c\u7bc4\u4f8b\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5982\u4f55\u5728 MSSQL \u4e2d\u9032\u884c\u67e5\u8a62\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-1%ef%bc%9a%e4%bd%bf%e7%94%a8-%e9%80%9a%e9%85%8d%e7%ac%a6-XozzZJxafS\">\u7bc4\u4f8b 1\uff1a\u4f7f\u7528 % \u901a\u914d\u7b26<\/h3>\n<pre><code>SELECT * FROM Customers WHERE CustomerName LIKE 'A%';<\/code><\/pre>\n<p>\u4e0a\u8ff0\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u4ee5\u5b57\u6bcd &#8220;A&#8221; \u958b\u982d\u7684\u5ba2\u6236\u540d\u7a31\u3002\u9019\u610f\u5473\u8457 &#8220;Alice&#8221;\u3001&#8221;Alex&#8221; \u548c &#8220;Aaron&#8221; \u90fd\u6703\u88ab\u9078\u4e2d\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-2%ef%bc%9a%e4%bd%bf%e7%94%a8-_-%e9%80%9a%e9%85%8d%e7%ac%a6-XozzZJxafS\">\u7bc4\u4f8b 2\uff1a\u4f7f\u7528 _ \u901a\u914d\u7b26<\/h3>\n<pre><code>SELECT * FROM Products WHERE ProductCode LIKE 'A_1';<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u7522\u54c1\u4ee3\u78bc\u70ba &#8220;A&#8221; \u52a0\u4e0a\u4e00\u500b\u4efb\u610f\u5b57\u7b26\u518d\u52a0\u4e0a &#8220;1&#8221; \u7684\u7522\u54c1\u3002\u4f8b\u5982\uff0c&#8221;A01&#8243; \u548c &#8220;A21&#8221; \u90fd\u6703\u88ab\u9078\u4e2d\uff0c\u4f46 &#8220;A11&#8221; \u5247\u4e0d\u6703\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-3%ef%bc%9a%e7%b5%90%e5%90%88%e4%bd%bf%e7%94%a8%e9%80%9a%e9%85%8d%e7%ac%a6-XozzZJxafS\">\u7bc4\u4f8b 3\uff1a\u7d50\u5408\u4f7f\u7528\u901a\u914d\u7b26<\/h3>\n<pre><code>SELECT * FROM Employees WHERE LastName LIKE 'S_n%';<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u59d3\u6c0f\u4ee5 &#8220;S&#8221; \u958b\u982d\uff0c\u7b2c\u4e8c\u500b\u5b57\u7b26\u70ba &#8220;n&#8221;\uff0c\u4e26\u4e14\u5f8c\u9762\u53ef\u4ee5\u8ddf\u96a8\u4efb\u610f\u5b57\u7b26\u7684\u54e1\u5de5\u3002\u4f8b\u5982\uff0c&#8221;Sandy&#8221; \u548c &#8220;Samantha&#8221; \u90fd\u6703\u88ab\u9078\u4e2d\u3002<\/p>\n<h2 id=\"%e9%80%9a%e9%85%8d%e7%ac%a6%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-XozzZJxafS\">\u901a\u914d\u7b26\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528\u901a\u914d\u7b26\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u901a\u914d\u7b26\u67e5\u8a62\u901a\u5e38\u6703\u6bd4\u7cbe\u78ba\u5339\u914d\u67e5\u8a62\u6162\uff0c\u56e0\u70ba\u5b83\u9700\u8981\u6aa2\u67e5\u6bcf\u4e00\u884c\u6578\u64da\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u901a\u914d\u7b26\u6642\uff0c\u61c9\u907f\u514d\u5728\u5b57\u7b26\u4e32\u7684\u958b\u982d\u4f7f\u7528 %\uff0c\u56e0\u70ba\u9019\u6a23\u6703\u5c0e\u81f4\u5168\u8868\u6383\u63cf\uff0c\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li>\u901a\u914d\u7b26\u4e0d\u5340\u5206\u5927\u5c0f\u5beb\uff0c\u9019\u610f\u5473\u8457 &#8220;A&#8221; \u548c &#8220;a&#8221; \u88ab\u8996\u70ba\u76f8\u540c\u7684\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-XozzZJxafS\">\u7d50\u8ad6<\/h2>\n<p>\u901a\u914d\u7b26\u5728 MSSQL \u4e2d\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u9032\u884c\u9748\u6d3b\u7684\u6578\u64da\u67e5\u8a62\u3002\u901a\u904e\u6b63\u78ba\u4f7f\u7528\u901a\u914d\u7b26\uff0c\u60a8\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u6240\u9700\u7684\u4fe1\u606f\u3002\u7121\u8ad6\u662f\u8655\u7406\u5ba2\u6236\u6578\u64da\u3001\u7522\u54c1\u4fe1\u606f\u9084\u662f\u54e1\u5de5\u8a18\u9304\uff0c\u901a\u914d\u7b26\u90fd\u80fd\u70ba\u60a8\u7684\u67e5\u8a62\u63d0\u4f9b\u4fbf\u5229\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u6280\u8853\u554f\u984c\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u63d0\u5347\u60a8\u7684\u696d\u52d9\u6548\u7387\u3002\u7121\u8ad6\u662f\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u9084\u662f\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0cServer.HK \u90fd\u80fd\u63d0\u4f9b\u76f8\u61c9\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u4e60MSSQL\u6559\u7a0b\u4e2d\u7684SQL\u901a\u914d\u7b26\uff0c\u638c\u63e1\u5982\u4f55\u4f7f\u7528\u901a\u914d\u7b26\u8fdb\u884c\u7075\u6d3b\u7684\u6570\u636e\u67e5\u8be2\u548c\u7b5b\u9009\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u64cd\u4f5c\u6548\u7387\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-160011","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160011","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=160011"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160011\/revisions"}],"predecessor-version":[{"id":160012,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160011\/revisions\/160012"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}