{"id":94942,"date":"2024-10-19T20:55:18","date_gmt":"2024-10-19T12:55:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/94942\/"},"modified":"2024-10-19T20:55:18","modified_gmt":"2024-10-19T12:55:18","slug":"oracle%e6%9f%a5%e8%a9%a2%e9%81%a0%e7%a8%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/94942\/","title":{"rendered":"oracle\u67e5\u8a62\u9060\u7a0b\u6578\u64da\u5eab\u4e2d\u6578\u64da\u7684\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"oracle%e6%9f%a5%e8%a9%a2%e9%81%a0%e7%a8%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95-eWBqamoByh\">Oracle\u67e5\u8a62\u9060\u7a0b\u6578\u64da\u5eab\u4e2d\u6578\u64da\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u80fd\u5920\u6709\u6548\u5730\u67e5\u8a62\u548c\u7ba1\u7406\u6578\u64da\u5eab\u662f\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u67e5\u8a62\u9060\u7a0b\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u5e38\u898b\u7684\u67e5\u8a62\u65b9\u6cd5\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728Oracle\u74b0\u5883\u4e2d\u9032\u884c\u9060\u7a0b\u6578\u64da\u67e5\u8a62\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8dblink%e9%80%b2%e8%a1%8c%e9%81%a0%e7%a8%8b%e6%9f%a5%e8%a9%a2-eWBqamoByh\">1. \u4f7f\u7528DBLINK\u9032\u884c\u9060\u7a0b\u67e5\u8a62<\/h2>\n<p>DBLINK\uff08Database Link\uff09\u662fOracle\u63d0\u4f9b\u7684\u4e00\u7a2e\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e00\u500b\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u53e6\u4e00\u500b\u6578\u64da\u5eab\u7684\u6578\u64da\u3002\u4f7f\u7528DBLINK\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE DATABASE LINK remote_db\nCONNECT TO remote_user IDENTIFIED BY 'password'\nUSING 'remote_database';\n<\/code><\/pre>\n<p>\u5275\u5efaDBLINK\u5f8c\uff0c\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u67e5\u8a62\u9060\u7a0b\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>SELECT * FROM remote_table@remote_db;\n<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u9ede\u5728\u65bc\u7c21\u55ae\u6613\u7528\uff0c\u4e26\u4e14\u53ef\u4ee5\u76f4\u63a5\u5728SQL\u67e5\u8a62\u4e2d\u4f7f\u7528\u9060\u7a0b\u6578\u64da\u3002<\/p>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8oracle-net-services-eWBqamoByh\">2. \u4f7f\u7528Oracle Net Services<\/h2>\n<p>Oracle Net Services\u662f\u4e00\u7a2e\u7db2\u7d61\u5354\u8b70\uff0c\u5141\u8a31\u7528\u6236\u901a\u904e\u7db2\u7d61\u9023\u63a5\u5230\u9060\u7a0bOracle\u6578\u64da\u5eab\u3002\u8981\u4f7f\u7528Oracle Net Services\uff0c\u9996\u5148\u9700\u8981\u914d\u7f6etnsnames.ora\u6587\u4ef6\uff0c\u8a72\u6587\u4ef6\u5305\u542b\u4e86\u9060\u7a0b\u6578\u64da\u5eab\u7684\u9023\u63a5\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u500btnsnames.ora\u7684\u793a\u4f8b\u914d\u7f6e\uff1a<\/p>\n<pre><code>REMOTE_DB =\n  (DESCRIPTION =\n    (ADDRESS = (PROTOCOL = TCP)(HOST = remote_host)(PORT = 1521))\n    (CONNECT_DATA =\n      (SERVER = DEDICATED)\n      (SERVICE_NAME = remote_service)\n    )\n  )\n<\/code><\/pre>\n<p>\u914d\u7f6e\u5b8c\u6210\u5f8c\uff0c\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9023\u63a5\u5230\u9060\u7a0b\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>sqlplus remote_user\/password@REMOTE_DB\n<\/code><\/pre>\n<p>\u9023\u63a5\u6210\u529f\u5f8c\uff0c\u7528\u6236\u53ef\u4ee5\u57f7\u884c\u67e5\u8a62\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM remote_table;\n<\/code><\/pre>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8oracle-sql-developer-eWBqamoByh\">3. \u4f7f\u7528Oracle SQL Developer<\/h2>\n<p>Oracle SQL Developer\u662f\u4e00\u500b\u5716\u5f62\u5316\u7684\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff0c\u652f\u6301\u7528\u6236\u9023\u63a5\u5230\u672c\u5730\u548c\u9060\u7a0b\u7684Oracle\u6578\u64da\u5eab\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u4f7f\u7528SQL Developer\u67e5\u8a62\u9060\u7a0b\u6578\u64da\u5eab\uff1a<\/p>\n<ul>\n<li>\u555f\u52d5SQL Developer\u4e26\u5275\u5efa\u65b0\u7684\u9023\u63a5\u3002<\/li>\n<li>\u8f38\u5165\u9060\u7a0b\u6578\u64da\u5eab\u7684\u9023\u63a5\u4fe1\u606f\uff0c\u5305\u62ec\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\u3002<\/li>\n<li>\u9ede\u64ca\u201c\u6e2c\u8a66\u201d\u4ee5\u78ba\u4fdd\u9023\u63a5\u6210\u529f\uff0c\u7136\u5f8c\u9ede\u64ca\u201c\u9023\u63a5\u201d\u3002<\/li>\n<\/ul>\n<p>\u9023\u63a5\u5f8c\uff0c\u7528\u6236\u53ef\u4ee5\u5728SQL Worksheet\u4e2d\u57f7\u884c\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * FROM remote_table;\n<\/code><\/pre>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8pl-sql%e9%80%b2%e8%a1%8c%e6%89%b9%e9%87%8f%e6%9f%a5%e8%a9%a2-eWBqamoByh\">4. \u4f7f\u7528PL\/SQL\u9032\u884c\u6279\u91cf\u67e5\u8a62<\/h2>\n<p>PL\/SQL\u662f\u4e00\u7a2eOracle\u5c08\u6709\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u652f\u6301\u7528\u6236\u7de8\u5beb\u8907\u96dc\u7684\u67e5\u8a62\u548c\u6578\u64da\u8655\u7406\u908f\u8f2f\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528PL\/SQL\u584a\u4f86\u67e5\u8a62\u9060\u7a0b\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>DECLARE\n    v_data remote_table%ROWTYPE;\nBEGIN\n    FOR rec IN (SELECT * FROM remote_table@remote_db) LOOP\n        v_data := rec;\n        -- \u8655\u7406\u6578\u64da\n    END LOOP;\nEND;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eWBqamoByh\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u74b0\u5883\u4e2d\u67e5\u8a62\u9060\u7a0b\u6578\u64da\u5eab\u7684\u65b9\u5f0f\u591a\u7a2e\u591a\u6a23\uff0c\u5305\u62ec\u4f7f\u7528DBLINK\u3001Oracle Net Services\u3001SQL Developer\u4ee5\u53caPL\/SQL\u7b49\u65b9\u6cd5\u3002\u9019\u4e9b\u6280\u8853\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u67e5\u8a62\u7684\u9748\u6d3b\u6027\uff0c\u9084\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\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\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Oracle\u67e5\u8a62\u9060\u7a0b\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u638c\u63e1\u9023\u63a5\u3001\u57f7\u884c\u67e5\u8a62\u53ca\u6578\u64da\u8655\u7406\u7684\u6280\u5de7\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-94942","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94942","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=94942"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94942\/revisions"}],"predecessor-version":[{"id":94943,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/94942\/revisions\/94943"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=94942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=94942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=94942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}