{"id":140430,"date":"2024-10-31T20:39:21","date_gmt":"2024-10-31T12:39:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/140430\/"},"modified":"2024-10-31T20:39:22","modified_gmt":"2024-10-31T12:39:22","slug":"sql-server%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f%e7%9a%84%e5%a2%9e%e5%8a%a0%e5%8f%8a%e5%88%aa%e9%99%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/140430\/","title":{"rendered":"sql server\u5916\u9375\u7d04\u675f\u7684\u589e\u52a0\u53ca\u522a\u9664"},"content":{"rendered":"<h1 id=\"sql-server-%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f%e7%9a%84%e5%a2%9e%e5%8a%a0%e5%8f%8a%e5%88%aa%e9%99%a4-tjdvNJkeXp\">SQL Server \u5916\u9375\u7d04\u675f\u7684\u589e\u52a0\u53ca\u522a\u9664<\/h1>\n<p>\u5728\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u4e2d\uff0c\u5916\u9375\u7d04\u675f\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u8cc7\u6599\u5b8c\u6574\u6027\u7d04\u675f\u3002\u5b83\u7528\u65bc\u78ba\u4fdd\u8cc7\u6599\u8868\u4e4b\u9593\u7684\u95dc\u806f\u6027\uff0c\u4e26\u9632\u6b62\u4e0d\u4e00\u81f4\u7684\u8cc7\u6599\u9032\u5165\u8cc7\u6599\u5eab\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 SQL Server \u4e2d\u589e\u52a0\u548c\u522a\u9664\u5916\u9375\u7d04\u675f\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u7bc4\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\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-tjdvNJkeXp\">\u4ec0\u9ebc\u662f\u5916\u9375\u7d04\u675f\uff1f<\/h2>\n<p>\u5916\u9375\u7d04\u675f\u662f\u4e00\u7a2e\u7528\u65bc\u5efa\u7acb\u548c\u5f37\u5236\u57f7\u884c\u8cc7\u6599\u8868\u4e4b\u9593\u95dc\u806f\u7684\u898f\u5247\u3002\u7576\u4e00\u500b\u8cc7\u6599\u8868\u7684\u67d0\u4e00\u5217\uff08\u6216\u591a\u5217\uff09\u53c3\u8003\u53e6\u4e00\u500b\u8cc7\u6599\u8868\u7684\u4e3b\u9375\u6642\uff0c\u9019\u500b\u5217\u5c31\u88ab\u7a31\u70ba\u5916\u9375\u3002\u5916\u9375\u7d04\u675f\u7684\u4e3b\u8981\u529f\u80fd\u662f\u78ba\u4fdd\u8cc7\u6599\u7684\u5b8c\u6574\u6027\uff0c\u9632\u6b62\u5728\u4e3b\u8868\u4e2d\u4e0d\u5b58\u5728\u7684\u8cc7\u6599\u88ab\u63d2\u5165\u5230\u5b50\u8868\u4e2d\u3002<\/p>\n<h2 id=\"%e5%a2%9e%e5%8a%a0%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-tjdvNJkeXp\">\u589e\u52a0\u5916\u9375\u7d04\u675f<\/h2>\n<p>\u5728 SQL Server \u4e2d\uff0c\u589e\u52a0\u5916\u9375\u7d04\u675f\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>ALTER TABLE \u5b50\u8868\u540d\u7a31\nADD CONSTRAINT \u5916\u9375\u540d\u7a31\nFOREIGN KEY (\u5b50\u8868\u5916\u9375\u6b04\u4f4d)\nREFERENCES \u4e3b\u8868\u540d\u7a31 (\u4e3b\u8868\u4e3b\u9375\u6b04\u4f4d);\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5177\u9ad4\u7684\u7bc4\u4f8b\uff0c\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u8cc7\u6599\u8868\uff1a<strong>Orders<\/strong> \u548c <strong>Customers<\/strong>\uff0c\u5176\u4e2d <strong>Orders<\/strong> \u8868\u4e2d\u7684 <strong>CustomerID<\/strong> \u6b04\u4f4d\u662f\u5916\u9375\uff0c\u53c3\u8003 <strong>Customers<\/strong> \u8868\u4e2d\u7684 <strong>CustomerID<\/strong> \u6b04\u4f4d\uff1a<\/p>\n<pre><code>ALTER TABLE Orders\nADD CONSTRAINT FK_CustomerOrder\nFOREIGN KEY (CustomerID)\nREFERENCES Customers (CustomerID);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 <code>ALTER TABLE<\/code> \u8a9e\u53e5\u4f86\u4fee\u6539 <strong>Orders<\/strong> \u8868\uff0c\u4e26\u589e\u52a0\u4e00\u500b\u540d\u70ba <strong>FK_CustomerOrder<\/strong> \u7684\u5916\u9375\u7d04\u675f\uff0c\u9019\u6a23\u5c31\u80fd\u78ba\u4fdd\u6bcf\u4e00\u7b46\u8a02\u55ae\u90fd\u5c0d\u61c9\u5230\u4e00\u4f4d\u6709\u6548\u7684\u9867\u5ba2\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e5%a4%96%e9%8d%b5%e7%b4%84%e6%9d%9f-tjdvNJkeXp\">\u522a\u9664\u5916\u9375\u7d04\u675f<\/h2>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u5df2\u5b58\u5728\u7684\u5916\u9375\u7d04\u675f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>ALTER TABLE \u5b50\u8868\u540d\u7a31\nDROP CONSTRAINT \u5916\u9375\u540d\u7a31;\n<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u8981\u522a\u9664\u525b\u624d\u5275\u5efa\u7684\u5916\u9375\u7d04\u675f <strong>FK_CustomerOrder<\/strong>\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>ALTER TABLE Orders\nDROP CONSTRAINT FK_CustomerOrder;\n<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-tjdvNJkeXp\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u547d\u540d\u898f\u5247\uff1a<\/strong>\u70ba\u5916\u9375\u7d04\u675f\u4f7f\u7528\u4e00\u81f4\u4e14\u5177\u63cf\u8ff0\u6027\u7684\u547d\u540d\u898f\u5247\uff0c\u4ee5\u4fbf\u65bc\u65e5\u5f8c\u7684\u7dad\u8b77\u548c\u7ba1\u7406\u3002<\/li>\n<li><strong>\u8cc7\u6599\u5b8c\u6574\u6027\uff1a<\/strong>\u5728\u8a2d\u8a08\u8cc7\u6599\u5eab\u6642\uff0c\u61c9\u8a72\u4ed4\u7d30\u8003\u616e\u5916\u9375\u7d04\u675f\u7684\u4f7f\u7528\uff0c\u4ee5\u78ba\u4fdd\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u904e\u591a\u7684\u5916\u9375\u7d04\u675f\u53ef\u80fd\u6703\u5f71\u97ff\u8cc7\u6599\u5eab\u7684\u6027\u80fd\uff0c\u56e0\u6b64\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u5408\u7406\u8a2d\u8a08\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-tjdvNJkeXp\">\u7e3d\u7d50<\/h2>\n<p>\u5916\u9375\u7d04\u675f\u5728 SQL Server \u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\uff0c\u80fd\u5920\u6709\u6548\u5730\u7dad\u8b77\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u901a\u904e\u9069\u7576\u5730\u589e\u52a0\u548c\u522a\u9664\u5916\u9375\u7d04\u675f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u8cc7\u6599\u5eab\u7684\u7d50\u69cb\u7b26\u5408\u696d\u52d9\u9700\u6c42\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u8cc7\u6599\u5eab\u7684\u904b\u884c\u74b0\u5883\u7a69\u5b9a\u53ef\u9760\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728SQL Server\u4e2d\u589e\u52a0\u548c\u522a\u9664\u5916\u9375\u7d04\u675f\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u95dc\u806f\u6027\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-140430","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140430","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=140430"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140430\/revisions"}],"predecessor-version":[{"id":140431,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140430\/revisions\/140431"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=140430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=140430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=140430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}