{"id":159647,"date":"2024-11-03T16:24:00","date_gmt":"2024-11-03T08:24:00","guid":{"rendered":"https:\/\/server.hk\/cnblog\/159647\/"},"modified":"2024-11-03T16:24:01","modified_gmt":"2024-11-03T08:24:01","slug":"sql-server%e5%88%aa%e9%99%a4%e8%a1%a8%e7%9a%84%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/159647\/","title":{"rendered":"SQL Server\u522a\u9664\u8868\u7684\u5916\u9375\u7d04\u675f"},"content":{"rendered":"<h1 id=\"sql-server%e5%88%aa%e9%99%a4%e8%a1%a8%e7%9a%84%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-MghiCLOWat\">SQL Server\u522a\u9664\u8868\u7684\u5916\u9375\u7d04\u675f<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\uff0c\u5916\u9375\u7d04\u675f\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u5b8c\u6574\u6027\u7d04\u675f\uff0c\u7528\u65bc\u78ba\u4fdd\u8cc7\u6599\u7684\u6b63\u78ba\u6027\u548c\u4e00\u81f4\u6027\u3002\u7576\u6211\u5011\u9700\u8981\u522a\u9664\u4e00\u500b\u8868\u6642\uff0c\u82e5\u8a72\u8868\u8207\u5176\u4ed6\u8868\u4e4b\u9593\u5b58\u5728\u5916\u9375\u7d04\u675f\uff0c\u5247\u5fc5\u9808\u5148\u522a\u9664\u9019\u4e9b\u7d04\u675f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728SQL Server\u4e2d\u522a\u9664\u8868\u7684\u5916\u9375\u7d04\u675f\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u7bc4\u4f8b\u548c\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f%ef%bc%9f-MghiCLOWat\">\u4ec0\u9ebc\u662f\u5916\u9375\u7d04\u675f\uff1f<\/h2>\n<p>\u5916\u9375\u7d04\u675f\u662f\u4e00\u7a2e\u7528\u65bc\u5efa\u7acb\u548c\u5f37\u5316\u8cc7\u6599\u8868\u4e4b\u9593\u95dc\u806f\u7684\u7d04\u675f\u3002\u5b83\u78ba\u4fdd\u4e00\u500b\u8868\u4e2d\u7684\u67d0\u500b\u6b04\u4f4d\uff08\u6216\u6b04\u4f4d\u7d44\u5408\uff09\u5fc5\u9808\u5c0d\u61c9\u5230\u53e6\u4e00\u500b\u8868\u4e2d\u7684\u4e3b\u9375\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u53ef\u4ee5\u9632\u6b62\u8cc7\u6599\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u767c\u751f\u3002\u4f8b\u5982\uff0c\u82e5\u6709\u4e00\u500b\u8a02\u55ae\u8868\u548c\u5ba2\u6236\u8868\uff0c\u8a02\u55ae\u8868\u4e2d\u7684\u5ba2\u6236ID\u61c9\u8a72\u662f\u5ba2\u6236\u8868\u4e2d\u5b58\u5728\u7684ID\uff0c\u9019\u6a23\u624d\u80fd\u78ba\u4fdd\u6bcf\u500b\u8a02\u55ae\u90fd\u6709\u5c0d\u61c9\u7684\u5ba2\u6236\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%88%aa%e9%99%a4%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f%ef%bc%9f-MghiCLOWat\">\u70ba\u4ec0\u9ebc\u9700\u8981\u522a\u9664\u5916\u9375\u7d04\u675f\uff1f<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u522a\u9664\u5916\u9375\u7d04\u675f\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u91cd\u69cb\u8cc7\u6599\u5eab\u7d50\u69cb\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li>\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u8868\u6216\u6b04\u4f4d\u3002<\/li>\n<li>\u4fee\u6b63\u8a2d\u8a08\u932f\u8aa4\u6216\u4e0d\u4e00\u81f4\u7684\u8cc7\u6599\u6a21\u578b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%88%aa%e9%99%a4%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-MghiCLOWat\">\u5982\u4f55\u522a\u9664\u5916\u9375\u7d04\u675f<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u522a\u9664\u5916\u9375\u7d04\u675f\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>ALTER TABLE \u8868\u540d\nDROP CONSTRAINT \u7d04\u675f\u540d;<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u5177\u9ad4\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f1%ef%bc%9a%e6%9f%a5%e6%89%be%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f%e5%90%8d%e7%a8%b1-MghiCLOWat\">\u6b65\u9a5f1\uff1a\u67e5\u627e\u5916\u9375\u7d04\u675f\u540d\u7a31<\/h3>\n<p>\u5728\u522a\u9664\u5916\u9375\u7d04\u675f\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u77e5\u9053\u8a72\u7d04\u675f\u7684\u540d\u7a31\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u627e\u7279\u5b9a\u8868\u7684\u5916\u9375\u7d04\u675f\uff1a<\/p>\n<pre><code>SELECT \n    fk.name AS ForeignKeyName,\n    tp.name AS ParentTable,\n    cp.name AS ParentColumn,\n    tr.name AS ReferencedTable,\n    cr.name AS ReferencedColumn\nFROM \n    sys.foreign_keys AS fk\nINNER JOIN \n    sys.foreign_key_columns AS fkc ON fk.object_id = fkc.constraint_object_id\nINNER JOIN \n    sys.tables AS tp ON fkc.parent_object_id = tp.object_id\nINNER JOIN \n    sys.columns AS cp ON fkc.parent_object_id = cp.object_id AND fkc.parent_column_id = cp.column_id\nINNER JOIN \n    sys.tables AS tr ON fkc.referenced_object_id = tr.object_id\nINNER JOIN \n    sys.columns AS cr ON fkc.referenced_object_id = cr.object_id AND fkc.referenced_column_id = cr.column_id\nWHERE \n    tp.name = '\u60a8\u7684\u8868\u540d';<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f2%ef%bc%9a%e5%88%aa%e9%99%a4%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-MghiCLOWat\">\u6b65\u9a5f2\uff1a\u522a\u9664\u5916\u9375\u7d04\u675f<\/h3>\n<p>\u4e00\u65e6\u627e\u5230\u4e86\u5916\u9375\u7d04\u675f\u7684\u540d\u7a31\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u522a\u9664\u5b83\uff1a<\/p>\n<pre><code>ALTER TABLE \u60a8\u7684\u8868\u540d\nDROP CONSTRAINT \u5916\u9375\u7d04\u675f\u540d;<\/code><\/pre>\n<h3 id=\"%e7%af%84%e4%be%8b-MghiCLOWat\">\u7bc4\u4f8b<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cOrders\u201d\u7684\u8868\uff0c\u4e26\u4e14\u5b83\u6709\u4e00\u500b\u5916\u9375\u7d04\u675f\u6307\u5411\u201cCustomers\u201d\u8868\u3002\u9996\u5148\uff0c\u6211\u5011\u67e5\u627e\u201cOrders\u201d\u8868\u7684\u5916\u9375\u7d04\u675f\u540d\u7a31\uff1a<\/p>\n<pre><code>SELECT \n    fk.name AS ForeignKeyName\nFROM \n    sys.foreign_keys AS fk\nINNER JOIN \n    sys.tables AS tp ON fk.parent_object_id = tp.object_id\nWHERE \n    tp.name = 'Orders';<\/code><\/pre>\n<p>\u5047\u8a2d\u67e5\u8a62\u7d50\u679c\u986f\u793a\u5916\u9375\u7d04\u675f\u540d\u7a31\u70ba\u201cFK_Orders_Customers\u201d\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u522a\u9664\u9019\u500b\u5916\u9375\u7d04\u675f\uff1a<\/p>\n<pre><code>ALTER TABLE Orders\nDROP CONSTRAINT FK_Orders_Customers;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-MghiCLOWat\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u522a\u9664\u5916\u9375\u7d04\u675f\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u78ba\u8a8d\u9019\u6a23\u505a\u4e0d\u6703\u5f71\u97ff\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u3002\u6b64\u5916\uff0c\u522a\u9664\u5916\u9375\u7d04\u675f\u5f8c\uff0c\u60a8\u5c07\u7121\u6cd5\u518d\u5f37\u5236\u57f7\u884c\u8cc7\u6599\u4e4b\u9593\u7684\u95dc\u806f\u6027\uff0c\u56e0\u6b64\u5728\u9032\u884c\u6b64\u64cd\u4f5c\u6642\u9700\u8b39\u614e\u8003\u616e\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MghiCLOWat\">\u7e3d\u7d50<\/h2>\n<p>\u522a\u9664SQL Server\u4e2d\u7684\u5916\u9375\u7d04\u675f\u662f\u4e00\u500b\u91cd\u8981\u7684\u64cd\u4f5c\uff0c\u901a\u5e38\u5728\u8cc7\u6599\u5eab\u7d50\u69cb\u8abf\u6574\u6216\u91cd\u69cb\u6642\u9032\u884c\u3002\u4e86\u89e3\u5982\u4f55\u67e5\u627e\u548c\u522a\u9664\u5916\u9375\u7d04\u675f\u53ef\u4ee5\u5e6b\u52a9\u60a8\u66f4\u6709\u6548\u5730\u7ba1\u7406\u8cc7\u6599\u5eab\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728SQL Server\u4e2d\u522a\u9664\u8868\u7684\u5916\u9375\u7d04\u675f\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u7d50\u69cb\u512a\u5316\u7684\u6b65\u9a5f\u8207\u6280\u5de7\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-159647","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159647","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=159647"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159647\/revisions"}],"predecessor-version":[{"id":159648,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/159647\/revisions\/159648"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=159647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=159647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=159647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}