{"id":96694,"date":"2024-10-20T11:35:18","date_gmt":"2024-10-20T03:35:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96694\/"},"modified":"2024-10-20T11:35:19","modified_gmt":"2024-10-20T03:35:19","slug":"plsql%e9%80%a3%e6%8e%a5%e5%a4%96%e9%83%a8%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e4%ba%92%e9%80%9a-plsql%e9%80%a3%e6%8e%a5%e5%a4%96%e9%83%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96694\/","title":{"rendered":"PLSQL\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab\uff0c\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u4e92\u901a (plsql\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab\u9023\u63a5)"},"content":{"rendered":"<h1 id=\"plsql%e9%80%a3%e6%8e%a5%e5%a4%96%e9%83%a8%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%8c%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e4%ba%92%e9%80%9a-bxxUDkKJzI\">PLSQL\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab\uff0c\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u4e92\u901a<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u4e92\u901a\u6027\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u8a31\u591a\u4f01\u696d\u9700\u8981\u5c07\u4e0d\u540c\u4f86\u6e90\u7684\u6578\u64da\u6574\u5408\u5728\u4e00\u8d77\uff0c\u4ee5\u4fbf\u9032\u884c\u5206\u6790\u548c\u5831\u544a\u3002PLSQL\u4f5c\u70baOracle\u6578\u64da\u5eab\u7684\u64f4\u5c55\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u529f\u80fd\u4f86\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u6578\u64da\u7684\u4e92\u901a\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528PLSQL\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"plsql%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-bxxUDkKJzI\">PLSQL\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>PLSQL\uff08Procedural Language\/SQL\uff09\u662f\u4e00\u7a2e\u7a0b\u5e8f\u6027\u8a9e\u8a00\uff0c\u5141\u8a31\u7528\u6236\u5728Oracle\u6578\u64da\u5eab\u4e2d\u7de8\u5beb\u8907\u96dc\u7684\u908f\u8f2f\u3002\u5b83\u7d50\u5408\u4e86SQL\u7684\u6578\u64da\u64cd\u4f5c\u80fd\u529b\u548c\u7a0b\u5e8f\u8a9e\u8a00\u7684\u63a7\u5236\u7d50\u69cb\uff0c\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u7de8\u5beb\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u7a0b\u5e8f\u3002<\/p>\n<h2 id=\"%e9%80%a3%e6%8e%a5%e5%a4%96%e9%83%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e9%9c%80%e6%b1%82-bxxUDkKJzI\">\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab\u7684\u9700\u6c42<\/h2>\n<p>\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0c\u4f01\u696d\u9700\u8981\u5f9e\u5916\u90e8\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6578\u64da\uff0c\u9019\u53ef\u80fd\u662f\u56e0\u70ba\u6578\u64da\u5b58\u5132\u5728\u4e0d\u540c\u7684\u7cfb\u7d71\u4e2d\uff0c\u6216\u8005\u662f\u56e0\u70ba\u9700\u8981\u6574\u5408\u4f86\u81ea\u591a\u500b\u4f86\u6e90\u7684\u4fe1\u606f\u3002PLSQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u9019\u4e00\u9ede\uff0c\u5305\u62ec\u4f7f\u7528DBLINK\uff08\u6578\u64da\u5eab\u93c8\u63a5\uff09\u548c\u5916\u90e8\u8868\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8dblink%e9%80%a3%e6%8e%a5%e5%a4%96%e9%83%a8%e6%95%b8%e6%93%9a%e5%ba%ab-bxxUDkKJzI\">\u4f7f\u7528DBLINK\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab<\/h2>\n<p>DBLINK\u662f\u4e00\u7a2eOracle\u6578\u64da\u5eab\u7684\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u5f9e\u4e00\u500b\u6578\u64da\u5eab\u8a2a\u554f\u53e6\u4e00\u500b\u6578\u64da\u5eab\u7684\u6578\u64da\u3002\u8981\u4f7f\u7528DBLINK\uff0c\u9996\u5148\u9700\u8981\u5728\u672c\u5730\u6578\u64da\u5eab\u4e2d\u5275\u5efa\u4e00\u500b\u6578\u64da\u5eab\u93c8\u63a5\u3002\u4ee5\u4e0b\u662f\u5275\u5efaDBLINK\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<pre><code>CREATE DATABASE LINK my_dblink\nCONNECT TO remote_user IDENTIFIED BY 'remote_password'\nUSING 'remote_database';\n<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c`my_dblink`\u662f\u60a8\u5275\u5efa\u7684\u93c8\u63a5\u540d\u7a31\uff0c`remote_user`\u548c`remote_password`\u662f\u9060\u7a0b\u6578\u64da\u5eab\u7684\u7528\u6236\u540d\u548c\u5bc6\u78bc\uff0c`remote_database`\u662f\u9060\u7a0b\u6578\u64da\u5eab\u7684\u9023\u63a5\u5b57\u7b26\u4e32\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8dblink%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-bxxUDkKJzI\">\u4f7f\u7528DBLINK\u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u4e00\u65e6\u5275\u5efa\u4e86DBLINK\uff0c\u60a8\u5c31\u53ef\u4ee5\u4f7f\u7528\u5b83\u4f86\u67e5\u8a62\u9060\u7a0b\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM remote_table@my_dblink;\n<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u5f9e\u9060\u7a0b\u6578\u64da\u5eab\u7684`remote_table`\u8868\u4e2d\u63d0\u53d6\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e5%a4%96%e9%83%a8%e8%a1%a8%e9%80%a3%e6%8e%a5%e5%a4%96%e9%83%a8%e6%95%b8%e6%93%9a%e5%ba%ab-bxxUDkKJzI\">\u4f7f\u7528\u5916\u90e8\u8868\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab<\/h2>\n<p>\u9664\u4e86DBLINK\uff0cOracle\u9084\u652f\u6301\u5916\u90e8\u8868\u7684\u6982\u5ff5\uff0c\u9019\u4f7f\u5f97\u7528\u6236\u53ef\u4ee5\u76f4\u63a5\u67e5\u8a62\u5916\u90e8\u6578\u64da\u6e90\uff08\u5982CSV\u6587\u4ef6\u6216\u5176\u4ed6\u6578\u64da\u5eab\uff09\u3002\u8981\u4f7f\u7528\u5916\u90e8\u8868\uff0c\u60a8\u9700\u8981\u5b9a\u7fa9\u4e00\u500b\u5916\u90e8\u8868\u7684\u7d50\u69cb\uff0c\u4e26\u6307\u5b9a\u6578\u64da\u6e90\u7684\u4f4d\u7f6e\u3002<\/p>\n<pre><code>CREATE TABLE external_table (\n    column1 VARCHAR2(50),\n    column2 NUMBER\n)\n ORGANIZATION EXTERNAL (\n    TYPE ORACLE_LOADER\n    DEFAULT DIRECTORY my_dir\n    ACCESS PARAMETERS (\n        RECORDS DELIMITED BY NEWLINE\n        FIELDS TERMINATED BY ','\n        MISSING FIELDS ARE NULL\n    )\n    LOCATION ('datafile.csv')\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c`external_table`\u662f\u4e00\u500b\u5916\u90e8\u8868\uff0c\u5b83\u5f9e\u540d\u70ba`datafile.csv`\u7684\u6587\u4ef6\u4e2d\u8b80\u53d6\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e4%ba%92%e9%80%9a%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8-bxxUDkKJzI\">\u6578\u64da\u4e92\u901a\u7684\u5be6\u969b\u61c9\u7528<\/h2>\n<p>\u901a\u904e\u4f7f\u7528PLSQL\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab\uff0c\u4f01\u696d\u53ef\u4ee5\u5be6\u73fe\u6578\u64da\u7684\u6574\u5408\u548c\u5206\u6790\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5c07\u4f86\u81ea\u4e0d\u540c\u696d\u52d9\u90e8\u9580\u7684\u6578\u64da\u6574\u5408\u5230\u4e00\u500b\u5831\u544a\u4e2d\uff0c\u6216\u8005\u5c07\u5ba2\u6236\u6578\u64da\u5f9eCRM\u7cfb\u7d71\u4e2d\u63d0\u53d6\u5230\u6578\u64da\u5009\u5eab\u4e2d\u9032\u884c\u5206\u6790\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-bxxUDkKJzI\">\u7e3d\u7d50<\/h2>\n<p>PLSQL\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u529f\u80fd\u4f86\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab\uff0c\u7121\u8ad6\u662f\u901a\u904eDBLINK\u9084\u662f\u5916\u90e8\u8868\uff0c\u4f01\u696d\u90fd\u80fd\u5920\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u7684\u4e92\u901a\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\uff0c\u9084\u4fc3\u9032\u4e86\u696d\u52d9\u6c7a\u7b56\u7684\u6548\u7387\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\u4e86\u89e3\u5982\u4f55\u4f7f\u7528PLSQL\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab\uff0c\u5c07\u6709\u52a9\u65bc\u4f01\u696d\u5728\u6578\u64da\u7ba1\u7406\u4e0a\u53d6\u5f97\u66f4\u5927\u7684\u6210\u529f\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528PL\/SQL\u8f15\u9b06\u9023\u63a5\u5916\u90e8\u6578\u64da\u5eab\uff0c\u5be6\u73fe\u6578\u64da\u4e92\u901a\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u696d\u52d9\u6d41\u7a0b\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-96694","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96694","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=96694"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96694\/revisions"}],"predecessor-version":[{"id":96695,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96694\/revisions\/96695"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}