{"id":179972,"date":"2024-11-09T06:20:17","date_gmt":"2024-11-08T22:20:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179972\/"},"modified":"2024-11-09T06:20:17","modified_gmt":"2024-11-08T22:20:17","slug":"%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a2%ba%e5%b0%8d-oracle-database-link-%e9%80%b2%e8%a1%8c%e5%88%86%e4%bd%88%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179972\/","title":{"rendered":"\u5982\u4f55\u6b63\u78ba\u5c0d Oracle database link \u9032\u884c\u5206\u4f48\u5f0f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%ad%a3%e7%a2%ba%e5%b0%8d-oracle-database-link-%e9%80%b2%e8%a1%8c%e5%88%86%e4%bd%88%e5%bc%8f-gScVPjaoGr\">\u5982\u4f55\u6b63\u78ba\u5c0d Oracle database link \u9032\u884c\u5206\u4f48\u5f0f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u4f01\u696d\u8d8a\u4f86\u8d8a\u4f9d\u8cf4\u65bc\u6578\u64da\u5eab\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u5176\u95dc\u9375\u6578\u64da\u3002Oracle \u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u5206\u4f48\u5f0f\u6578\u64da\u5eab\u7684\u9700\u6c42\u3002\u5176\u4e2d\uff0c\u6578\u64da\u5eab\u93c8\u63a5\uff08Database Link\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e0d\u540c\u7684 Oracle \u6578\u64da\u5eab\u4e4b\u9593\u9032\u884c\u6578\u64da\u8a2a\u554f\u548c\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6b63\u78ba\u5730\u5c0d Oracle \u6578\u64da\u5eab\u93c8\u63a5\u9032\u884c\u5206\u4f48\u5f0f\u8a2d\u7f6e\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%8f%88%e6%8e%a5%ef%bc%9f-gScVPjaoGr\">\u4ec0\u9ebc\u662f Oracle \u6578\u64da\u5eab\u93c8\u63a5\uff1f<\/h2>\n<p>Oracle \u6578\u64da\u5eab\u93c8\u63a5\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u5c0d\u8c61\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\u7a2e\u529f\u80fd\u7279\u5225\u9069\u5408\u65bc\u9700\u8981\u8de8\u591a\u500b\u6578\u64da\u5eab\u9032\u884c\u67e5\u8a62\u548c\u64cd\u4f5c\u7684\u61c9\u7528\u5834\u666f\u3002\u901a\u904e\u6578\u64da\u5eab\u93c8\u63a5\uff0c\u7528\u6236\u53ef\u4ee5\u57f7\u884c SQL \u67e5\u8a62\uff0c\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u6578\u64da\uff0c\u751a\u81f3\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u3002<\/p>\n<h2 id=\"%e8%a8%ad%e7%bd%ae-oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%8f%88%e6%8e%a5%e7%9a%84%e6%ad%a5%e9%a9%9f-gScVPjaoGr\">\u8a2d\u7f6e Oracle \u6578\u64da\u5eab\u93c8\u63a5\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e7%b6%b2%e7%b5%a1%e9%80%a3%e6%8e%a5-gScVPjaoGr\">1. \u78ba\u8a8d\u7db2\u7d61\u9023\u63a5<\/h3>\n<p>\u5728\u8a2d\u7f6e\u6578\u64da\u5eab\u93c8\u63a5\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u5169\u500b Oracle \u6578\u64da\u5eab\u4e4b\u9593\u7684\u7db2\u7d61\u9023\u63a5\u662f\u6b63\u5e38\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 ping \u547d\u4ee4\u4f86\u6aa2\u67e5\u9023\u63a5\u72c0\u614b\u3002<\/p>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e9%8f%88%e6%8e%a5-gScVPjaoGr\">2. \u5275\u5efa\u6578\u64da\u5eab\u93c8\u63a5<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u5275\u5efa\u6578\u64da\u5eab\u93c8\u63a5\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>\u5728\u9019\u88e1\uff0c<code>link_name<\/code> \u662f\u60a8\u70ba\u6578\u64da\u5eab\u93c8\u63a5\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_database<\/code> \u662f\u9060\u7a0b\u6578\u64da\u5eab\u7684 TNS \u540d\u7a31\u3002<\/p>\n<h3 id=\"3-%e6%b8%ac%e8%a9%a6%e6%95%b8%e6%93%9a%e5%ba%ab%e9%8f%88%e6%8e%a5-gScVPjaoGr\">3. \u6e2c\u8a66\u6578\u64da\u5eab\u93c8\u63a5<\/h3>\n<p>\u5275\u5efa\u6578\u64da\u5eab\u93c8\u63a5\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\u4f86\u6e2c\u8a66\u93c8\u63a5\u662f\u5426\u6b63\u5e38\uff1a<\/p>\n<pre><code>SELECT * FROM dual@link_name;<\/code><\/pre>\n<p>\u5982\u679c\u8fd4\u56de\u7d50\u679c\u6b63\u5e38\uff0c\u5247\u8868\u793a\u6578\u64da\u5eab\u93c8\u63a5\u5df2\u6210\u529f\u5efa\u7acb\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e9%8f%88%e6%8e%a5%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-gScVPjaoGr\">\u4f7f\u7528\u6578\u64da\u5eab\u93c8\u63a5\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u5728\u4f7f\u7528\u6578\u64da\u5eab\u93c8\u63a5\u6642\uff0c\u61c9\u6ce8\u610f\u6027\u80fd\u554f\u984c\u3002\u8de8\u6578\u64da\u5eab\u67e5\u8a62\u53ef\u80fd\u6703\u5c0e\u81f4\u5ef6\u9072\uff0c\u56e0\u6b64\u61c9\u76e1\u91cf\u6e1b\u5c11\u8de8\u93c8\u63a5\u7684\u67e5\u8a62\u6b21\u6578\u3002<\/li>\n<li><strong>\u5b89\u5168\u6027\uff1a<\/strong>\u78ba\u4fdd\u4f7f\u7528\u5f37\u5bc6\u78bc\u548c\u9069\u7576\u7684\u7528\u6236\u6b0a\u9650\u4f86\u4fdd\u8b77\u6578\u64da\u5eab\u93c8\u63a5\u7684\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u5728\u9032\u884c\u8de8\u6578\u64da\u5eab\u64cd\u4f5c\u6642\uff0c\u61c9\u8003\u616e\u5230\u53ef\u80fd\u51fa\u73fe\u7684\u932f\u8aa4\uff0c\u4e26\u9032\u884c\u9069\u7576\u7684\u932f\u8aa4\u8655\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-gScVPjaoGr\">\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>Oracle \u6578\u64da\u5eab\u93c8\u63a5\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u5ee3\u6cdb\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u6574\u5408\uff1a\u5c07\u4f86\u81ea\u4e0d\u540c\u6578\u64da\u5eab\u7684\u6578\u64da\u6574\u5408\u5230\u4e00\u500b\u5831\u544a\u4e2d\u3002<\/li>\n<li>\u6578\u64da\u9077\u79fb\uff1a\u5728\u6578\u64da\u9077\u79fb\u904e\u7a0b\u4e2d\uff0c\u4f7f\u7528\u6578\u64da\u5eab\u93c8\u63a5\u4f86\u8a2a\u554f\u820a\u7cfb\u7d71\u4e2d\u7684\u6578\u64da\u3002<\/li>\n<li>\u5206\u4f48\u5f0f\u61c9\u7528\uff1a\u5728\u5206\u4f48\u5f0f\u61c9\u7528\u4e2d\uff0c\u901a\u904e\u6578\u64da\u5eab\u93c8\u63a5\u4f86\u5be6\u73fe\u4e0d\u540c\u5730\u7406\u4f4d\u7f6e\u7684\u6578\u64da\u8a2a\u554f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-gScVPjaoGr\">\u7e3d\u7d50<\/h2>\n<p>\u6b63\u78ba\u8a2d\u7f6e\u548c\u4f7f\u7528 Oracle \u6578\u64da\u5eab\u93c8\u63a5\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u8a2a\u554f\u7684\u9748\u6d3b\u6027\u548c\u6548\u7387\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\u548c\u6ce8\u610f\u4e8b\u9805\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u8de8\u6578\u64da\u5eab\u7684\u64cd\u4f5c\uff0c\u5f9e\u800c\u652f\u6301\u4f01\u696d\u7684\u6578\u64da\u9700\u6c42\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 Oracle \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u696d\u52d9\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6b63\u78ba\u914d\u7f6e\u548c\u7ba1\u7406 Oracle \u6578\u64da\u5eab\u93c8\u63a5\uff0c\u4ee5\u5be6\u73fe\u9ad8\u6548\u7684\u5206\u4f48\u5f0f\u6578\u64da\u8a2a\u554f\u548c\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-179972","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179972","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=179972"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179972\/revisions"}],"predecessor-version":[{"id":179973,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179972\/revisions\/179973"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}