{"id":95770,"date":"2024-10-20T03:51:15","date_gmt":"2024-10-19T19:51:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95770\/"},"modified":"2024-10-20T03:51:15","modified_gmt":"2024-10-19T19:51:15","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%badatabase-link%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95770\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u5982\u4f55\u5275\u5efaDATABASE LINK\uff1f"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a6%82%e4%bd%95%e5%89%b5%e5%bb%badatabase-link%ef%bc%9f-StUAAXnvUq\">Oracle\u6578\u64da\u5eab\u5982\u4f55\u5275\u5efaDATABASE LINK\uff1f<\/h1>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0cDATABASE LINK\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u67e5\u8a62\u548c\u64cd\u4f5c\u3002\u9019\u5c0d\u65bc\u9700\u8981\u8de8\u6578\u64da\u5eab\u6574\u5408\u6578\u64da\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728Oracle\u6578\u64da\u5eab\u4e2d\u5275\u5efaDATABASE LINK\uff0c\u5305\u62ec\u6b65\u9a5f\u3001\u8a9e\u6cd5\u53ca\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afdatabase-link%ef%bc%9f-StUAAXnvUq\">\u4ec0\u9ebc\u662fDATABASE LINK\uff1f<\/h2>\n<p>DATABASE LINK\u662f\u4e00\u500b\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u8def\u5f91\uff0c\u5141\u8a31\u7528\u6236\u5f9e\u4e00\u500b\u6578\u64da\u5eab\u8a2a\u554f\u53e6\u4e00\u500b\u6578\u64da\u5eab\u7684\u6578\u64da\u3002\u9019\u4f7f\u5f97\u7528\u6236\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e4b\u9593\u57f7\u884c\u67e5\u8a62\uff0c\u4e26\u4e14\u53ef\u4ee5\u5728\u4e00\u500bSQL\u8a9e\u53e5\u4e2d\u4f7f\u7528\u4f86\u81ea\u4e0d\u540c\u6578\u64da\u5eab\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e5%89%b5%e5%bb%badatabase-link%e7%9a%84%e6%ad%a5%e9%a9%9f-StUAAXnvUq\">\u5275\u5efaDATABASE LINK\u7684\u6b65\u9a5f<\/h2>\n<p>\u5275\u5efaDATABASE LINK\u7684\u904e\u7a0b\u76f8\u5c0d\u7c21\u55ae\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e9%80%a3%e6%8e%a5%e4%bf%a1%e6%81%af-StUAAXnvUq\">1. \u78ba\u8a8d\u9023\u63a5\u4fe1\u606f<\/h3>\n<p>\u5728\u5275\u5efaDATABASE LINK\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u64c1\u6709\u76ee\u6a19\u6578\u64da\u5eab\u7684\u9023\u63a5\u4fe1\u606f\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u76ee\u6a19\u6578\u64da\u5eab\u7684\u540d\u7a31<\/li>\n<li>\u7528\u6236\u540d<\/li>\n<li>\u5bc6\u78bc<\/li>\n<li>\u4e3b\u6a5f\u540d\u6216IP\u5730\u5740<\/li>\n<li>\u7aef\u53e3\u865f<\/li>\n<\/ul>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8create-database-link%e8%aa%9e%e5%8f%a5-StUAAXnvUq\">2. \u4f7f\u7528CREATE DATABASE LINK\u8a9e\u53e5<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\u4f86\u5275\u5efaDATABASE LINK\uff1a<\/p>\n<pre><code>CREATE DATABASE LINK link_name\nCONNECT TO remote_user IDENTIFIED BY 'remote_password'\nUSING 'remote_database';<\/code><\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li><strong>link_name<\/strong>\uff1a\u60a8\u70baDATABASE LINK\u6307\u5b9a\u7684\u540d\u7a31\u3002<\/li>\n<li><strong>remote_user<\/strong>\uff1a\u76ee\u6a19\u6578\u64da\u5eab\u7684\u7528\u6236\u540d\u3002<\/li>\n<li><strong>remote_password<\/strong>\uff1a\u76ee\u6a19\u6578\u64da\u5eab\u7684\u5bc6\u78bc\u3002<\/li>\n<li><strong>remote_database<\/strong>\uff1a\u76ee\u6a19\u6578\u64da\u5eab\u7684\u9023\u63a5\u5b57\u7b26\u4e32\uff0c\u901a\u5e38\u662fTNS\u540d\u7a31\u6216EZCONNECT\u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e9%a9%97%e8%ad%89database-link-StUAAXnvUq\">3. \u9a57\u8b49DATABASE LINK<\/h3>\n<p>\u5275\u5efaDATABASE LINK\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u9a57\u8b49\u5176\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\uff1a<\/p>\n<pre><code>SELECT * FROM table_name@link_name;<\/code><\/pre>\n<p>\u5982\u679c\u80fd\u5920\u6210\u529f\u67e5\u8a62\u5230\u6578\u64da\uff0c\u5247\u8868\u793aDATABASE LINK\u5df2\u6210\u529f\u5275\u5efa\u4e26\u4e14\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-StUAAXnvUq\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5275\u5efaDATABASE LINK\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u76ee\u6a19\u6578\u64da\u5eab\u7684\u7528\u6236\u5177\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u57f7\u884c\u67e5\u8a62\u3002<\/li>\n<li>\u5728\u4f7f\u7528DATABASE LINK\u6642\uff0c\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\uff0c\u7279\u5225\u662f\u5728\u8de8\u7db2\u7d61\u67e5\u8a62\u6642\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5DATABASE LINK\u7684\u9023\u63a5\u72c0\u614b\uff0c\u4ee5\u78ba\u4fdd\u5176\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-StUAAXnvUq\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\u5275\u5efaDATABASE LINK\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5728\u4e0d\u540c\u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u6578\u64da\u6574\u5408\u548c\u67e5\u8a62\u3002\u901a\u904e\u6b63\u78ba\u7684\u9023\u63a5\u4fe1\u606f\u548c\u8a9e\u6cd5\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u8a2d\u7f6e\u548c\u4f7f\u7528DATABASE LINK\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728Oracle\u6578\u64da\u5eab\u4e2d\u5275\u5efaDATABASE LINK\uff0c\u5be6\u73fe\u8de8\u6578\u64da\u5eab\u7684\u6578\u64da\u8a2a\u554f\u8207\u6574\u5408\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-95770","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95770","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=95770"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95770\/revisions"}],"predecessor-version":[{"id":95771,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95770\/revisions\/95771"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95770"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95770"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}