{"id":181954,"date":"2024-11-09T19:53:17","date_gmt":"2024-11-09T11:53:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181954\/"},"modified":"2024-11-09T19:53:18","modified_gmt":"2024-11-09T11:53:18","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%b4%a2mssql%e6%9f%a5%e7%9c%8b%e7%b4%84%e6%9d%9f%ef%bc%88mssql%e6%9f%a5%e7%9c%8b%e7%b4%84%e6%9d%9f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181954\/","title":{"rendered":"\u6df1\u5165\u63a2\u7d22MSSQL\u67e5\u770b\u7d04\u675f\uff08mssql\u67e5\u770b\u7d04\u675f\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%b4%a2mssql%e6%9f%a5%e7%9c%8b%e7%b4%84%e6%9d%9f%ef%bc%88mssql%e6%9f%a5%e7%9c%8b%e7%b4%84%e6%9d%9f%ef%bc%89-EWxTfNVxnD\">\u6df1\u5165\u63a2\u7d22MSSQL\u67e5\u770b\u7d04\u675f\uff08mssql\u67e5\u770b\u7d04\u675f\uff09<\/h1>\n<p>\u5728\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u7d04\u675f\uff08Constraints\uff09\u662f\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u7684\u91cd\u8981\u5de5\u5177\u3002\u7d04\u675f\u53ef\u4ee5\u9650\u5236\u6578\u64da\u7684\u8f38\u5165\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u6027\uff0c\u4e26\u9632\u6b62\u4e0d\u5408\u898f\u7684\u6578\u64da\u9032\u5165\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728MSSQL\u4e2d\u67e5\u770b\u7d04\u675f\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%e7%b4%84%e6%9d%9f%ef%bc%9f-EWxTfNVxnD\">\u4ec0\u9ebc\u662f\u7d04\u675f\uff1f<\/h2>\n<p>\u7d04\u675f\u662f\u7528\u4f86\u9650\u5236\u6578\u64da\u8868\u4e2d\u6578\u64da\u7684\u898f\u5247\u3002\u5b83\u5011\u53ef\u4ee5\u61c9\u7528\u65bc\u4e00\u500b\u6216\u591a\u500b\u5217\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002\u5e38\u898b\u7684\u7d04\u675f\u985e\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u9375\u7d04\u675f\uff08Primary Key Constraint\uff09<\/strong>\uff1a\u78ba\u4fdd\u6bcf\u4e00\u884c\u7684\u552f\u4e00\u6027\u3002<\/li>\n<li><strong>\u5916\u9375\u7d04\u675f\uff08Foreign Key Constraint\uff09<\/strong>\uff1a\u78ba\u4fdd\u6578\u64da\u8868\u4e4b\u9593\u7684\u53c3\u7167\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u552f\u4e00\u7d04\u675f\uff08Unique Constraint\uff09<\/strong>\uff1a\u78ba\u4fdd\u67d0\u5217\u7684\u6240\u6709\u503c\u90fd\u662f\u552f\u4e00\u7684\u3002<\/li>\n<li><strong>\u6aa2\u67e5\u7d04\u675f\uff08Check Constraint\uff09<\/strong>\uff1a\u78ba\u4fdd\u5217\u4e2d\u7684\u6578\u64da\u7b26\u5408\u7279\u5b9a\u689d\u4ef6\u3002<\/li>\n<li><strong>\u9ed8\u8a8d\u7d04\u675f\uff08Default Constraint\uff09<\/strong>\uff1a\u70ba\u5217\u63d0\u4f9b\u9ed8\u8a8d\u503c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8bmssql%e4%b8%ad%e7%9a%84%e7%b4%84%e6%9d%9f-EWxTfNVxnD\">\u5982\u4f55\u67e5\u770bMSSQL\u4e2d\u7684\u7d04\u675f<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u67e5\u770b\u7d04\u675f\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u9032\u884c\uff0c\u5305\u62ec\u4f7f\u7528SQL\u67e5\u8a62\u548cSQL Server Management Studio\uff08SSMS\uff09\u3002\u4ee5\u4e0b\u5c07\u4ecb\u7d39\u9019\u5169\u7a2e\u65b9\u6cd5\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8sql%e6%9f%a5%e8%a9%a2%e6%9f%a5%e7%9c%8b%e7%b4%84%e6%9d%9f-EWxTfNVxnD\">\u4f7f\u7528SQL\u67e5\u8a62\u67e5\u770b\u7d04\u675f<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u67e5\u770b\u7279\u5b9a\u6578\u64da\u8868\u4e2d\u7684\u6240\u6709\u7d04\u675f\uff1a<\/p>\n<pre><code>SELECT \n    CONSTRAINT_NAME, \n    CONSTRAINT_TYPE \nFROM \n    INFORMATION_SCHEMA.TABLE_CONSTRAINTS \nWHERE \n    TABLE_NAME = '\u4f60\u7684\u8868\u540d';<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u5c07\u201c\u4f60\u7684\u8868\u540d\u201d\u66ff\u63db\u70ba\u4f60\u60f3\u8981\u67e5\u8a62\u7684\u5177\u9ad4\u8868\u540d\u3002\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u8a72\u8868\u4e2d\u6240\u6709\u7d04\u675f\u7684\u540d\u7a31\u548c\u985e\u578b\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8sql-server-management-studio%ef%bc%88ssms%ef%bc%89%e6%9f%a5%e7%9c%8b%e7%b4%84%e6%9d%9f-EWxTfNVxnD\">\u4f7f\u7528SQL Server Management Studio\uff08SSMS\uff09\u67e5\u770b\u7d04\u675f<\/h3>\n<p>\u5982\u679c\u4f60\u66f4\u559c\u6b61\u4f7f\u7528\u5716\u5f62\u754c\u9762\uff0c\u53ef\u4ee5\u901a\u904eSSMS\u4f86\u67e5\u770b\u7d04\u675f\uff1a<\/p>\n<ol>\n<li>\u6253\u958bSQL Server Management Studio\u4e26\u9023\u63a5\u5230\u4f60\u7684\u6578\u64da\u5eab\u3002<\/li>\n<li>\u5728\u201c\u5c0d\u8c61\u8cc7\u6e90\u7ba1\u7406\u5668\u201d\u4e2d\uff0c\u5c55\u958b\u4f60\u7684\u6578\u64da\u5eab\u3002<\/li>\n<li>\u5c55\u958b\u201c\u8868\u201d\u6587\u4ef6\u593e\uff0c\u7136\u5f8c\u627e\u5230\u4f60\u60f3\u8981\u67e5\u770b\u7684\u8868\u3002<\/li>\n<li>\u53f3\u9375\u55ae\u64ca\u8a72\u8868\uff0c\u9078\u64c7\u201c\u8a2d\u8a08\u201d\u3002<\/li>\n<li>\u5728\u8a2d\u8a08\u8996\u5716\u4e2d\uff0c\u9078\u64c7\u201c\u7d04\u675f\u201d\u9078\u9805\u5361\uff0c\u4f60\u5c07\u770b\u5230\u6240\u6709\u76f8\u95dc\u7684\u7d04\u675f\u3002<\/li>\n<\/ol>\n<h2 id=\"%e6%9f%a5%e7%9c%8b%e7%b4%84%e6%9d%9f%e7%9a%84%e8%a9%b3%e7%b4%b0%e4%bf%a1%e6%81%af-EWxTfNVxnD\">\u67e5\u770b\u7d04\u675f\u7684\u8a73\u7d30\u4fe1\u606f<\/h2>\n<p>\u5982\u679c\u4f60\u9700\u8981\u67e5\u770b\u67d0\u500b\u7279\u5b9a\u7d04\u675f\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT \n    * \nFROM \n    INFORMATION_SCHEMA.KEY_COLUMN_USAGE \nWHERE \n    CONSTRAINT_NAME = '\u4f60\u7684\u7d04\u675f\u540d';<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u8207\u6307\u5b9a\u7d04\u675f\u76f8\u95dc\u7684\u6240\u6709\u5217\u7684\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-EWxTfNVxnD\">\u7d50\u8ad6<\/h2>\n<p>\u7d04\u675f\u5728MSSQL\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5e6b\u52a9\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u7121\u8ad6\u662f\u901a\u904eSQL\u67e5\u8a62\u9084\u662f\u4f7f\u7528SSMS\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u548c\u7ba1\u7406\u9019\u4e9b\u7d04\u675f\u90fd\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u91cd\u8981\u6280\u80fd\u3002\u638c\u63e1\u9019\u4e9b\u6280\u80fd\u5f8c\uff0c\u4f60\u5c07\u80fd\u5920\u66f4\u6709\u6548\u5730\u7ba1\u7406\u4f60\u7684\u6578\u64da\u5eab\uff0c\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u8cea\u91cf\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u4f60\u7684\u6578\u64da\u5eab\u7ba1\u7406\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u4f60\u7684\u696d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u7d22MSSQL\u67e5\u770b\u7d04\u675f\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u67e5\u8a62\u548c\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u7d04\u675f\u689d\u4ef6\uff0c\u63d0\u5347\u6578\u64da\u5b8c\u6574\u6027\u548c\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-181954","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181954","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=181954"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181954\/revisions"}],"predecessor-version":[{"id":181955,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181954\/revisions\/181955"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}