{"id":162907,"date":"2024-11-04T19:01:20","date_gmt":"2024-11-04T11:01:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162907\/"},"modified":"2024-11-04T19:01:21","modified_gmt":"2024-11-04T11:01:21","slug":"%e6%95%99%e6%82%a8%e5%a6%82%e4%bd%95%e7%8d%b2%e5%be%97%e6%8c%87%e5%ae%9a%e8%a1%a8sql-server%e4%b8%bb%e9%8d%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162907\/","title":{"rendered":"\u6559\u60a8\u5982\u4f55\u7372\u5f97\u6307\u5b9a\u8868SQL SERVER\u4e3b\u9375"},"content":{"rendered":"<h1 id=\"%e6%95%99%e6%82%a8%e5%a6%82%e4%bd%95%e7%8d%b2%e5%be%97%e6%8c%87%e5%ae%9a%e8%a1%a8sql-server%e4%b8%bb%e9%8d%b5-wQRzrlfHCn\">\u6559\u60a8\u5982\u4f55\u7372\u5f97\u6307\u5b9a\u8868SQL SERVER\u4e3b\u9375<\/h1>\n<p>\u5728\u4f7f\u7528 SQL Server \u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u6642\uff0c\u4e3b\u9375\u662f\u6bcf\u500b\u8868\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u4e3b\u9375\u4e0d\u50c5\u7528\u65bc\u552f\u4e00\u6a19\u8b58\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u6578\u64da\uff0c\u9084\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u7372\u5f97\u6307\u5b9a\u8868\u7684\u4e3b\u9375\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684 SQL \u67e5\u8a62\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e4%b8%bb%e9%8d%b5%ef%bc%9f-wQRzrlfHCn\">\u4ec0\u9ebc\u662f\u4e3b\u9375\uff1f<\/h2>\n<p>\u4e3b\u9375\u662f\u4e00\u500b\u6216\u591a\u500b\u5217\u7684\u7d44\u5408\uff0c\u5176\u503c\u5728\u8868\u4e2d\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u4e0d\u80fd\u70ba NULL\u3002\u4e3b\u9375\u7684\u4e3b\u8981\u529f\u80fd\u662f\u78ba\u4fdd\u6578\u64da\u7684\u552f\u4e00\u6027\u548c\u5b8c\u6574\u6027\u3002\u6bcf\u500b\u8868\u53ea\u80fd\u6709\u4e00\u500b\u4e3b\u9375\uff0c\u4f46\u4e3b\u9375\u53ef\u4ee5\u7531\u591a\u500b\u5217\u7d44\u6210\uff0c\u9019\u7a31\u70ba\u8907\u5408\u4e3b\u9375\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e8%a9%a2%e6%8c%87%e5%ae%9a%e8%a1%a8%e7%9a%84%e4%b8%bb%e9%8d%b5-wQRzrlfHCn\">\u5982\u4f55\u67e5\u8a62\u6307\u5b9a\u8868\u7684\u4e3b\u9375<\/h2>\n<p>\u5728 SQL Server \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u7cfb\u7d71\u8996\u5716\u4f86\u67e5\u8a62\u6307\u5b9a\u8868\u7684\u4e3b\u9375\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u7528\u7684\u65b9\u6cd5\u4f86\u7372\u53d6\u4e3b\u9375\u4fe1\u606f\u3002<\/p>\n<h3 id=\"%e6%96%b9%e6%b3%95%e4%b8%80%ef%bc%9a%e4%bd%bf%e7%94%a8-information_schema-wQRzrlfHCn\">\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528 INFORMATION_SCHEMA<\/h3>\n<p>SQL Server \u63d0\u4f9b\u4e86\u4e00\u500b\u540d\u70ba <code>INFORMATION_SCHEMA<\/code> \u7684\u7cfb\u7d71\u8996\u5716\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u67e5\u8a62 <code>TABLE_CONSTRAINTS<\/code> \u548c <code>KEY_COLUMN_USAGE<\/code> \u4f86\u7372\u53d6\u4e3b\u9375\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT \n    kcu.COLUMN_NAME\nFROM \n    INFORMATION_SCHEMA.TABLE_CONSTRAINTS AS tc\nJOIN \n    INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS kcu\nON \n    tc.CONSTRAINT_TYPE = 'PRIMARY KEY' \n    AND tc.CONSTRAINT_NAME = kcu.CONSTRAINT_NAME\nWHERE \n    tc.TABLE_NAME = '\u60a8\u7684\u8868\u540d';<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u67e5\u8a62\u4e2d\uff0c\u60a8\u9700\u8981\u5c07 <code>\u60a8\u7684\u8868\u540d<\/code> \u66ff\u63db\u70ba\u60a8\u60f3\u8981\u67e5\u8a62\u7684\u5177\u9ad4\u8868\u540d\u3002\u9019\u5c07\u8fd4\u56de\u8a72\u8868\u7684\u6240\u6709\u4e3b\u9375\u5217\u3002<\/p>\n<h3 id=\"%e6%96%b9%e6%b3%95%e4%ba%8c%ef%bc%9a%e4%bd%bf%e7%94%a8-sys-%e7%9b%ae%e9%8c%84%e8%a6%96%e5%9c%96-wQRzrlfHCn\">\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528 sys \u76ee\u9304\u8996\u5716<\/h3>\n<p>\u53e6\u4e00\u7a2e\u7372\u53d6\u4e3b\u9375\u4fe1\u606f\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 <code>sys<\/code> \u76ee\u9304\u8996\u5716\u3002\u9019\u7a2e\u65b9\u6cd5\u901a\u5e38\u66f4\u70ba\u9ad8\u6548\uff0c\u56e0\u70ba\u5b83\u76f4\u63a5\u8a2a\u554f\u7cfb\u7d71\u8868\u3002\u4ee5\u4e0b\u662f\u76f8\u61c9\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT \n    c.name AS ColumnName\nFROM \n    sys.indexes AS i\nJOIN \n    sys.index_columns AS ic ON i.object_id = ic.object_id AND i.index_id = ic.index_id\nJOIN \n    sys.columns AS c ON ic.object_id = c.object_id AND ic.column_id = c.column_id\nWHERE \n    i.is_primary_key = 1 \n    AND OBJECT_NAME(i.object_id) = '\u60a8\u7684\u8868\u540d';<\/code><\/pre>\n<p>\u540c\u6a23\uff0c\u8acb\u5c07 <code>\u60a8\u7684\u8868\u540d<\/code> \u66ff\u63db\u70ba\u60a8\u8981\u67e5\u8a62\u7684\u8868\u540d\u3002\u9019\u5c07\u8fd4\u56de\u8a72\u8868\u7684\u4e3b\u9375\u5217\u540d\u7a31\u3002<\/p>\n<h2 id=\"%e4%b8%bb%e9%8d%b5%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-wQRzrlfHCn\">\u4e3b\u9375\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u5217\uff1a<\/strong>\u4e3b\u9375\u61c9\u8a72\u662f\u7a69\u5b9a\u7684\uff0c\u907f\u514d\u4f7f\u7528\u7d93\u5e38\u8b8a\u66f4\u7684\u5217\u4f5c\u70ba\u4e3b\u9375\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6574\u6578\u578b\u5225\uff1a<\/strong>\u6574\u6578\u578b\u5225\u7684\u4e3b\u9375\u901a\u5e38\u6bd4\u5b57\u4e32\u578b\u5225\u66f4\u6709\u6548\u7387\uff0c\u56e0\u70ba\u6574\u6578\u7684\u6bd4\u8f03\u901f\u5ea6\u66f4\u5feb\u3002<\/li>\n<li><strong>\u907f\u514d\u4f7f\u7528 NULL \u503c\uff1a<\/strong>\u4e3b\u9375\u5217\u4e0d\u80fd\u5305\u542b NULL \u503c\uff0c\u9019\u662f\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u7684\u57fa\u672c\u8981\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-wQRzrlfHCn\">\u7e3d\u7d50<\/h2>\n<p>\u7372\u53d6 SQL Server \u4e2d\u6307\u5b9a\u8868\u7684\u4e3b\u9375\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>INFORMATION_SCHEMA<\/code> \u6216 <code>sys<\/code> \u76ee\u9304\u8996\u5716\u4f86\u67e5\u8a62\u4e3b\u9375\u4fe1\u606f\u3002\u4e86\u89e3\u4e3b\u9375\u7684\u7279\u6027\u548c\u6700\u4f73\u5be6\u8e10\u5c07\u6709\u52a9\u65bc\u60a8\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728SQL Server\u4e2d\u7372\u53d6\u6307\u5b9a\u8868\u7684\u4e3b\u9375\uff0c\u7c21\u55ae\u6b65\u9a5f\u52a9\u60a8\u8f15\u9b06\u67e5\u8a62\u548c\u7ba1\u7406\u6578\u64da\u5eab\u7d50\u69cb\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-162907","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162907","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=162907"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162907\/revisions"}],"predecessor-version":[{"id":162908,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162907\/revisions\/162908"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162907"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162907"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}