{"id":179220,"date":"2024-11-09T00:00:44","date_gmt":"2024-11-08T16:00:44","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179220\/"},"modified":"2024-11-09T00:00:45","modified_gmt":"2024-11-08T16:00:45","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9-sybase-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e4%b8%bb%e9%8d%b5-%e4%bf%ae%e6%94%b9%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%bb%e9%8d%b5-sybase","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179220\/","title":{"rendered":"\u5982\u4f55\u4fee\u6539 Sybase \u6578\u64da\u5eab\u7684\u4e3b\u9375 (\u4fee\u6539\u6578\u64da\u5eab\u4e3b\u9375 sybase)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e6%94%b9-sybase-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e4%b8%bb%e9%8d%b5-tmFomBZuNi\">\u5982\u4f55\u4fee\u6539 Sybase \u6578\u64da\u5eab\u7684\u4e3b\u9375<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u4e2d\uff0c\u4e3b\u9375\u662f\u7528\u4f86\u552f\u4e00\u6a19\u8b58\u8868\u4e2d\u6bcf\u4e00\u884c\u6578\u64da\u7684\u91cd\u8981\u5143\u7d20\u3002\u5c0d\u65bc\u4f7f\u7528 Sybase \u6578\u64da\u5eab\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u4fee\u6539\u4e3b\u9375\u53ef\u80fd\u662f\u56e0\u70ba\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u66f4\u6216\u6578\u64da\u6a21\u578b\u7684\u8abf\u6574\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728 Sybase \u6578\u64da\u5eab\u4e2d\u4fee\u6539\u4e3b\u9375\uff0c\u5305\u62ec\u6b65\u9a5f\u3001\u6ce8\u610f\u4e8b\u9805\u53ca\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e4%b8%bb%e9%8d%b5%ef%bc%9f-tmFomBZuNi\">\u4ec0\u9ebc\u662f\u4e3b\u9375\uff1f<\/h2>\n<p>\u4e3b\u9375\u662f\u4e00\u500b\u6216\u591a\u500b\u5217\u7684\u7d44\u5408\uff0c\u7528\u65bc\u552f\u4e00\u6a19\u8b58\u6578\u64da\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u3002\u4e3b\u9375\u7684\u7279\u6027\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u552f\u4e00\u6027\uff1a\u4e3b\u9375\u7684\u503c\u5fc5\u9808\u662f\u552f\u4e00\u7684\uff0c\u4e0d\u80fd\u91cd\u8907\u3002<\/li>\n<li>\u975e\u7a7a\u6027\uff1a\u4e3b\u9375\u7684\u503c\u4e0d\u80fd\u70ba\u7a7a\u3002<\/li>\n<li>\u7a69\u5b9a\u6027\uff1a\u4e3b\u9375\u7684\u503c\u61c9\u8a72\u5728\u6578\u64da\u7684\u751f\u547d\u5468\u671f\u5167\u4fdd\u6301\u4e0d\u8b8a\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e4%bf%ae%e6%94%b9%e4%b8%bb%e9%8d%b5%ef%bc%9f-tmFomBZuNi\">\u70ba\u4ec0\u9ebc\u9700\u8981\u4fee\u6539\u4e3b\u9375\uff1f<\/h2>\n<p>\u4fee\u6539\u4e3b\u9375\u7684\u539f\u56e0\u53ef\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u696d\u52d9\u9700\u6c42\u8b8a\u66f4\uff1a\u96a8\u8457\u696d\u52d9\u7684\u767c\u5c55\uff0c\u53ef\u80fd\u9700\u8981\u6839\u64da\u65b0\u7684\u9700\u6c42\u4f86\u8abf\u6574\u4e3b\u9375\u3002<\/li>\n<li>\u6578\u64da\u6a21\u578b\u512a\u5316\uff1a\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u6703\u767c\u73fe\u539f\u6709\u7684\u4e3b\u9375\u4e0d\u518d\u9069\u5408\u3002<\/li>\n<li>\u6027\u80fd\u8003\u91cf\uff1a\u67d0\u4e9b\u4e3b\u9375\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\uff0c\u4fee\u6539\u4e3b\u9375\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bf%ae%e6%94%b9-sybase-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%bb%e9%8d%b5%e7%9a%84%e6%ad%a5%e9%a9%9f-tmFomBZuNi\">\u4fee\u6539 Sybase \u6578\u64da\u5eab\u4e3b\u9375\u7684\u6b65\u9a5f<\/h2>\n<p>\u5728 Sybase \u4e2d\uff0c\u4fee\u6539\u4e3b\u9375\u7684\u904e\u7a0b\u901a\u5e38\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%88%aa%e9%99%a4%e7%8f%be%e6%9c%89%e4%b8%bb%e9%8d%b5-tmFomBZuNi\">1. \u522a\u9664\u73fe\u6709\u4e3b\u9375<\/h3>\n<p>\u9996\u5148\uff0c\u9700\u8981\u522a\u9664\u73fe\u6709\u7684\u4e3b\u9375\u7d04\u675f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>ALTER TABLE \u8868\u540d DROP CONSTRAINT \u4e3b\u9375\u7d04\u675f\u540d;<\/code><\/pre>\n<h3 id=\"2-%e6%b7%bb%e5%8a%a0%e6%96%b0%e7%9a%84%e4%b8%bb%e9%8d%b5-tmFomBZuNi\">2. \u6dfb\u52a0\u65b0\u7684\u4e3b\u9375<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u6dfb\u52a0\u65b0\u7684\u4e3b\u9375\u7d04\u675f\uff1a<\/p>\n<pre><code>ALTER TABLE \u8868\u540d ADD CONSTRAINT \u65b0\u4e3b\u9375\u7d04\u675f\u540d PRIMARY KEY (\u5217\u540d1, \u5217\u540d2, ...);<\/code><\/pre>\n<h3 id=\"3-%e7%a2%ba%e8%aa%8d%e4%bf%ae%e6%94%b9-tmFomBZuNi\">3. \u78ba\u8a8d\u4fee\u6539<\/h3>\n<p>\u6700\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u78ba\u8a8d\u4e3b\u9375\u7684\u4fee\u6539\u662f\u5426\u6210\u529f\uff1a<\/p>\n<pre><code>sp_helpconstraint \u8868\u540d;<\/code><\/pre>\n<h2 id=\"%e7%a4%ba%e4%be%8b-tmFomBZuNi\">\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>Customers<\/code> \u7684\u8868\uff0c\u539f\u6709\u7684\u4e3b\u9375\u662f <code>CustomerID<\/code>\uff0c\u73fe\u5728\u6211\u5011\u5e0c\u671b\u5c07\u4e3b\u9375\u4fee\u6539\u70ba <code>Email<\/code> \u548c <code>CustomerID<\/code> \u7684\u7d44\u5408\u3002\u5177\u9ad4\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>-- \u522a\u9664\u73fe\u6709\u4e3b\u9375\nALTER TABLE Customers DROP CONSTRAINT PK_Customers;\n\n-- \u6dfb\u52a0\u65b0\u7684\u4e3b\u9375\nALTER TABLE Customers ADD CONSTRAINT PK_Customers PRIMARY KEY (Email, CustomerID);\n\n-- \u78ba\u8a8d\u4fee\u6539\nsp_helpconstraint Customers;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-tmFomBZuNi\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4fee\u6539\u4e3b\u9375\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u65b0\u4e3b\u9375\u7684\u552f\u4e00\u6027\u548c\u975e\u7a7a\u6027\u3002<\/li>\n<li>\u5728\u522a\u9664\u4e3b\u9375\u4e4b\u524d\uff0c\u6aa2\u67e5\u662f\u5426\u6709\u5916\u9375\u4f9d\u8cf4\u65bc\u8a72\u4e3b\u9375\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u9032\u884c\u4fee\u6539\u6642\uff0c\u5efa\u8b70\u5148\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u9032\u884c\u9a57\u8b49\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-tmFomBZuNi\">\u7e3d\u7d50<\/h2>\n<p>\u4fee\u6539 Sybase \u6578\u64da\u5eab\u7684\u4e3b\u9375\u662f\u4e00\u500b\u9700\u8981\u8b39\u614e\u8655\u7406\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u5230\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002\u901a\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u6539\u4e3b\u9375\u4ee5\u6eff\u8db3\u696d\u52d9\u9700\u6c42\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u591a\u6709\u95dc\u6578\u64da\u5eab\u7ba1\u7406\u7684\u8cc7\u8a0a\uff0c\u6216\u662f\u5c0b\u627e\u9ad8\u6548\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\u5728 Sybase \u6578\u64da\u5eab\u4e2d\u4fee\u6539\u4e3b\u9375\uff0c\u6b65\u9a5f\u7c21\u55ae\u660e\u77ad\uff0c\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5b8c\u6574\u6027\u8207\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-179220","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179220","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=179220"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179220\/revisions"}],"predecessor-version":[{"id":179221,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179220\/revisions\/179221"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}