{"id":95216,"date":"2024-10-19T23:12:21","date_gmt":"2024-10-19T15:12:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95216\/"},"modified":"2024-10-19T23:12:22","modified_gmt":"2024-10-19T15:12:22","slug":"oracle%e5%bb%ba%e7%ab%8bdblink%e7%9a%84%e6%93%8d%e4%bd%9c%e7%b6%93%e9%a9%97%e7%b8%bd%e7%b5%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95216\/","title":{"rendered":"Oracle\u5efa\u7acbDBLINK\u7684\u64cd\u4f5c\u7d93\u9a57\u7e3d\u7d50"},"content":{"rendered":"<h1 id=\"oracle%e5%bb%ba%e7%ab%8bdblink%e7%9a%84%e6%93%8d%e4%bd%9c%e7%b6%93%e9%a9%97%e7%b8%bd%e7%b5%90-LsQGEFVnPV\">Oracle\u5efa\u7acbDBLINK\u7684\u64cd\u4f5c\u7d93\u9a57\u7e3d\u7d50<\/h1>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0cDBLINK\uff08Database Link\uff09\u662f\u4e00\u7a2e\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e00\u500b\u6578\u64da\u5eab\u4e2d\u8a2a\u554f\u53e6\u4e00\u500b\u6578\u64da\u5eab\u7684\u6578\u64da\u3002\u9019\u5c0d\u65bc\u9700\u8981\u8de8\u6578\u64da\u5eab\u9032\u884c\u67e5\u8a62\u548c\u6578\u64da\u6574\u5408\u7684\u61c9\u7528\u5834\u666f\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u7e3d\u7d50\u5728Oracle\u4e2d\u5efa\u7acbDBLINK\u7684\u64cd\u4f5c\u7d93\u9a57\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"dblink%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-LsQGEFVnPV\">DBLINK\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>DBLINK\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u5141\u8a31\u7528\u6236\u901a\u904e\u4e00\u500b\u6578\u64da\u5eab\u9023\u63a5\u5230\u53e6\u4e00\u500b\u6578\u64da\u5eab\u3002\u9019\u4f7f\u5f97\u7528\u6236\u53ef\u4ee5\u5728\u672c\u5730\u6578\u64da\u5eab\u4e2d\u57f7\u884c\u67e5\u8a62\uff0c\u4e26\u76f4\u63a5\u8a2a\u554f\u9060\u7a0b\u6578\u64da\u5eab\u4e2d\u7684\u8868\u3001\u8996\u5716\u548c\u5176\u4ed6\u5c0d\u8c61\u3002DBLINK\u7684\u4f7f\u7528\u53ef\u4ee5\u7c21\u5316\u6578\u64da\u7684\u6574\u5408\u548c\u67e5\u8a62\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e5%bb%ba%e7%ab%8bdblink%e7%9a%84%e6%ad%a5%e9%a9%9f-LsQGEFVnPV\">\u5efa\u7acbDBLINK\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e9%81%a0%e7%a8%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%80%a3%e6%8e%a5%e4%bf%a1%e6%81%af-LsQGEFVnPV\">1. \u78ba\u8a8d\u9060\u7a0b\u6578\u64da\u5eab\u7684\u9023\u63a5\u4fe1\u606f<\/h3>\n<p>\u5728\u5efa\u7acbDBLINK\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u9060\u7a0b\u6578\u64da\u5eab\u7684\u9023\u63a5\u4fe1\u606f\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9060\u7a0b\u6578\u64da\u5eab\u7684\u4e3b\u6a5f\u540d\u6216IP\u5730\u5740<\/li>\n<li>\u7aef\u53e3\u865f\uff08\u9ed8\u8a8d\u70ba1521\uff09<\/li>\n<li>\u670d\u52d9\u540d\u6216SID<\/li>\n<li>\u7528\u6236\u540d\u548c\u5bc6\u78bc<\/li>\n<\/ul>\n<h3 id=\"2-%e5%89%b5%e5%bb%badblink-LsQGEFVnPV\">2. \u5275\u5efaDBLINK<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u5275\u5efaDBLINK\uff1a<\/p>\n<pre><code>CREATE DATABASE LINK dblink_name\nCONNECT TO remote_user IDENTIFIED BY 'remote_password'\nUSING 'remote_service_name';<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>dblink_name<\/code>\u662f\u60a8\u70baDBLINK\u6307\u5b9a\u7684\u540d\u7a31\uff0c<code>remote_user<\/code>\u548c<code>remote_password<\/code>\u662f\u9060\u7a0b\u6578\u64da\u5eab\u7684\u7528\u6236\u540d\u548c\u5bc6\u78bc\uff0c<code>remote_service_name<\/code>\u662f\u9060\u7a0b\u6578\u64da\u5eab\u7684\u670d\u52d9\u540d\u6216TNS\u540d\u7a31\u3002<\/p>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6dblink-LsQGEFVnPV\">3. \u6e2c\u8a66DBLINK<\/h3>\n<p>\u5275\u5efaDBLINK\u5f8c\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6e2c\u8a66\u9023\u63a5\uff1a<\/p>\n<pre><code>SELECT * FROM table_name@dblink_name;<\/code><\/pre>\n<p>\u5982\u679c\u80fd\u5920\u6210\u529f\u67e5\u8a62\u5230\u6578\u64da\uff0c\u5247\u8868\u793aDBLINK\u5df2\u6210\u529f\u5efa\u7acb\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-LsQGEFVnPV\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u6b0a\u9650\u554f\u984c\uff1a<\/strong>\u78ba\u4fdd\u7528\u65bc\u5275\u5efaDBLINK\u7684\u7528\u6236\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\uff0c\u5305\u62ec\u5275\u5efaDBLINK\u7684\u6b0a\u9650\u3002<\/li>\n<li><strong>\u7db2\u7d61\u9023\u63a5\uff1a<\/strong>\u78ba\u4fdd\u672c\u5730\u6578\u64da\u5eab\u80fd\u5920\u8a2a\u554f\u9060\u7a0b\u6578\u64da\u5eab\u7684\u7db2\u7d61\uff0c\u4e26\u4e14\u9632\u706b\u7246\u8a2d\u7f6e\u5141\u8a31\u76f8\u61c9\u7684\u7aef\u53e3\u901a\u904e\u3002<\/li>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u4f7f\u7528DBLINK\u9032\u884c\u67e5\u8a62\u6642\uff0c\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8de8\u7db2\u7d61\u9032\u884c\u5927\u91cf\u6578\u64da\u50b3\u8f38\u6642\u3002\u56e0\u6b64\uff0c\u5efa\u8b70\u5728\u67e5\u8a62\u4e2d\u4f7f\u7528\u9069\u7576\u7684\u904e\u6ffe\u689d\u4ef6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c-LsQGEFVnPV\">\u5e38\u898b\u554f\u984c<\/h2>\n<h3 id=\"1-%e5%a6%82%e4%bd%95%e5%88%aa%e9%99%a4dblink%ef%bc%9f-LsQGEFVnPV\">1. \u5982\u4f55\u522a\u9664DBLINK\uff1f<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u522a\u9664DBLINK\uff1a<\/p>\n<pre><code>DROP DATABASE LINK dblink_name;<\/code><\/pre>\n<h3 id=\"2-dblink%e6%98%af%e5%90%a6%e6%94%af%e6%8c%81%e5%88%86%e5%b8%83%e5%bc%8f%e4%ba%8b%e5%8b%99%ef%bc%9f-LsQGEFVnPV\">2. DBLINK\u662f\u5426\u652f\u6301\u5206\u5e03\u5f0f\u4e8b\u52d9\uff1f<\/h3>\n<p>Oracle\u7684DBLINK\u652f\u6301\u5206\u5e03\u5f0f\u4e8b\u52d9\uff0c\u4f46\u9700\u8981\u914d\u7f6eOracle\u7684\u5206\u5e03\u5f0f\u4e8b\u52d9\u7ba1\u7406\u5668\uff08\u5982Oracle XA\uff09\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-LsQGEFVnPV\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u4e2d\u5efa\u7acbDBLINK\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u4f46\u9700\u8981\u6ce8\u610f\u6b0a\u9650\u3001\u7db2\u7d61\u9023\u63a5\u548c\u6027\u80fd\u7b49\u554f\u984c\u3002\u901a\u904e\u6b63\u78ba\u7684\u914d\u7f6e\uff0cDBLINK\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u6578\u64da\u7684\u6574\u5408\u6548\u7387\uff0c\u65b9\u4fbf\u7528\u6236\u5728\u4e0d\u540c\u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u67e5\u8a62\u548c\u64cd\u4f5c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7e3d\u7d50Oracle\u5efa\u7acbDBLINK\u7684\u64cd\u4f5c\u7d93\u9a57\uff0c\u6db5\u84cb\u6b65\u9a5f\u3001\u6ce8\u610f\u4e8b\u9805\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u52a9\u60a8\u8f15\u9b06\u9023\u63a5\u4e0d\u540c\u6578\u64da\u5eab\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-95216","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95216","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=95216"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95216\/revisions"}],"predecessor-version":[{"id":95217,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95216\/revisions\/95217"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}