{"id":95218,"date":"2024-10-19T23:13:15","date_gmt":"2024-10-19T15:13:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95218\/"},"modified":"2024-10-19T23:13:16","modified_gmt":"2024-10-19T15:13:16","slug":"oracle%e5%bb%ba%e7%ab%8bdblink%e7%9a%84%e8%a9%b3%e7%b4%b0%e6%ad%a5%e9%a9%9f%e8%a8%98%e9%8c%84","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95218\/","title":{"rendered":"Oracle\u5efa\u7acbDBLINK\u7684\u8a73\u7d30\u6b65\u9a5f\u8a18\u9304"},"content":{"rendered":"<h1 id=\"oracle%e5%bb%ba%e7%ab%8bdblink%e7%9a%84%e8%a9%b3%e7%b4%b0%e6%ad%a5%e9%a9%9f%e8%a8%98%e9%8c%84-JOAxcgmszG\">Oracle\u5efa\u7acbDBLINK\u7684\u8a73\u7d30\u6b65\u9a5f\u8a18\u9304<\/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\u4e0d\u540c\u7684\u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u6578\u64da\u67e5\u8a62\u548c\u64cd\u4f5c\u3002\u9019\u5c0d\u65bc\u9700\u8981\u8de8\u6578\u64da\u5eab\u9032\u884c\u6578\u64da\u6574\u5408\u7684\u61c9\u7528\u5834\u666f\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u5728Oracle\u4e2d\u5efa\u7acbDBLINK\u7684\u6b65\u9a5f\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afdblink%ef%bc%9f-JOAxcgmszG\">\u4ec0\u9ebc\u662fDBLINK\uff1f<\/h2>\n<p>DBLINK\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\uff0c\u5141\u8a31\u7528\u6236\u5f9e\u4e00\u500bOracle\u6578\u64da\u5eab\u8a2a\u554f\u53e6\u4e00\u500bOracle\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u901a\u904eDBLINK\uff0c\u7528\u6236\u53ef\u4ee5\u57f7\u884c\u67e5\u8a62\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u6578\u64da\u7684\u6574\u5408\u548c\u5171\u4eab\u8b8a\u5f97\u66f4\u52a0\u65b9\u4fbf\u3002<\/p>\n<h2 id=\"%e5%bb%ba%e7%ab%8bdblink%e7%9a%84%e6%ad%a5%e9%a9%9f-JOAxcgmszG\">\u5efa\u7acbDBLINK\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e6%ba%96%e5%82%99%e5%b7%a5%e4%bd%9c-JOAxcgmszG\">\u6b65\u9a5f\u4e00\uff1a\u6e96\u5099\u5de5\u4f5c<\/h3>\n<ul>\n<li>\u78ba\u4fdd\u5169\u500b\u6578\u64da\u5eab\u4e4b\u9593\u7684\u7db2\u7d61\u9023\u63a5\u6b63\u5e38\u3002<\/li>\n<li>\u78ba\u8a8d\u7528\u6236\u5728\u76ee\u6a19\u6578\u64da\u5eab\u4e2d\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%89%b5%e5%bb%badblink-JOAxcgmszG\">\u6b65\u9a5f\u4e8c\uff1a\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_database';<\/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\u76ee\u6a19\u6578\u64da\u5eab\u7684\u7528\u6236\u540d\u548c\u5bc6\u78bc\uff0c<code>remote_database<\/code>\u662f\u76ee\u6a19\u6578\u64da\u5eab\u7684\u9023\u63a5\u5b57\u7b26\u4e32\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e6%b8%ac%e8%a9%a6dblink-JOAxcgmszG\">\u6b65\u9a5f\u4e09\uff1a\u6e2c\u8a66DBLINK<\/h3>\n<p>\u5275\u5efaDBLINK\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6e2c\u8a66\u5176\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\uff1a<\/p>\n<pre><code>SELECT * FROM table_name@dblink_name;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>table_name<\/code>\u662f\u60a8\u5e0c\u671b\u5f9e\u76ee\u6a19\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u7684\u8868\u540d\u3002\u5982\u679c\u67e5\u8a62\u6210\u529f\uff0c\u5247\u8868\u793aDBLINK\u5df2\u6b63\u78ba\u5efa\u7acb\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e7%ae%a1%e7%90%86dblink-JOAxcgmszG\">\u6b65\u9a5f\u56db\uff1a\u7ba1\u7406DBLINK<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664DBLINK\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DROP DATABASE LINK dblink_name;<\/code><\/pre>\n<p>\u9019\u5c07\u522a\u9664\u6307\u5b9a\u7684DBLINK\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-JOAxcgmszG\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u78ba\u4fddDBLINK\u7684\u5b89\u5168\u6027\uff0c\u907f\u514d\u4f7f\u7528\u660e\u6587\u5bc6\u78bc\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5DBLINK\u7684\u9023\u63a5\u72c0\u614b\uff0c\u78ba\u4fdd\u5176\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<li>\u5728\u4f7f\u7528DBLINK\u6642\uff0c\u6ce8\u610f\u6027\u80fd\u554f\u984c\uff0c\u907f\u514d\u904e\u591a\u7684\u8de8\u6578\u64da\u5eab\u67e5\u8a62\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-JOAxcgmszG\">\u7d50\u8ad6<\/h2>\n<p>DBLINK\u5728Oracle\u6578\u64da\u5eab\u4e2d\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5728\u4e0d\u540c\u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u901a\u904e\u672c\u6587\u4ecb\u7d39\u7684\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5efa\u7acb\u548c\u7ba1\u7406DBLINK\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7684\u6574\u5408\u6548\u7387\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8a73\u7d30\u8a18\u9304Oracle\u5efa\u7acbDBLINK\u7684\u6b65\u9a5f\uff0c\u5e6b\u52a9\u7528\u6236\u8f15\u9b06\u9023\u63a5\u4e0d\u540c\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-95218","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95218","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=95218"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95218\/revisions"}],"predecessor-version":[{"id":95219,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95218\/revisions\/95219"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95218"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95218"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95218"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}