{"id":95706,"date":"2024-10-20T03:18:17","date_gmt":"2024-10-19T19:18:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95706\/"},"modified":"2024-10-20T03:18:18","modified_gmt":"2024-10-19T19:18:18","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%98%e9%8c%84%e8%bc%b8%e5%87%ba%e5%88%b0%e6%96%87%e6%9c%ac%e6%96%87%e4%bb%b6%e7%9a%84%e5%af%a6%e7%8f%be","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95706\/","title":{"rendered":"ORACLE\u6578\u64da\u5eab\u8a18\u9304\u8f38\u51fa\u5230\u6587\u672c\u6587\u4ef6\u7684\u5be6\u73fe"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%98%e9%8c%84%e8%bc%b8%e5%87%ba%e5%88%b0%e6%96%87%e6%9c%ac%e6%96%87%e4%bb%b6%e7%9a%84%e5%af%a6%e7%8f%be-NnbqISnKek\">ORACLE\u6578\u64da\u5eab\u8a18\u9304\u8f38\u51fa\u5230\u6587\u672c\u6587\u4ef6\u7684\u5be6\u73fe<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5c07\u6578\u64da\u5c0e\u51fa\u5230\u6587\u672c\u6587\u4ef6\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u6578\u64da\u7684\u5099\u4efd\uff0c\u9084\u80fd\u65b9\u4fbf\u6578\u64da\u7684\u5171\u4eab\u548c\u5206\u6790\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728ORACLE\u6578\u64da\u5eab\u4e2d\u5be6\u73fe\u8a18\u9304\u7684\u8f38\u51fa\u5230\u6587\u672c\u6587\u4ef6\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8utl_file%e5%8c%85-NnbqISnKek\">\u4f7f\u7528UTL_FILE\u5305<\/h2>\n<p>ORACLE\u63d0\u4f9b\u4e86\u4e00\u500b\u540d\u70ba<code>UTL_FILE<\/code>\u7684\u5305\uff0c\u5c08\u9580\u7528\u65bc\u6587\u4ef6\u64cd\u4f5c\u3002\u901a\u904e\u9019\u500b\u5305\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u5728\u6578\u64da\u5eab\u4e2d\u8b80\u53d6\u548c\u5beb\u5165\u6587\u4ef6\u3002\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u4fddORACLE\u6578\u64da\u5eab\u7684<code>UTL_FILE_DIR<\/code>\u53c3\u6578\u5df2\u6b63\u78ba\u8a2d\u7f6e\uff0c\u9019\u6a23\u624d\u80fd\u6307\u5b9a\u6587\u4ef6\u7684\u5b58\u5132\u8def\u5f91\u3002<\/p>\n<h3 id=\"%e8%a8%ad%e7%bd%aeutl_file_dir-NnbqISnKek\">\u8a2d\u7f6eUTL_FILE_DIR<\/h3>\n<p>\u5728ORACLE\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u6aa2\u67e5<code>UTL_FILE_DIR<\/code>\u7684\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SHOW PARAMETER UTL_FILE_DIR;<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u8a2d\u7f6e\u6216\u66f4\u6539\u6b64\u53c3\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>ALTER SYSTEM SET UTL_FILE_DIR='\/your\/directory\/path' SCOPE=BOTH;<\/code><\/pre>\n<h3 id=\"%e5%b0%8e%e5%87%ba%e6%95%b8%e6%93%9a%e5%88%b0%e6%96%87%e6%9c%ac%e6%96%87%e4%bb%b6-NnbqISnKek\">\u5c0e\u51fa\u6578\u64da\u5230\u6587\u672c\u6587\u4ef6<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5c07\u6578\u64da\u5f9e\u4e00\u500b\u8868\u5c0e\u51fa\u5230\u6587\u672c\u6587\u4ef6\uff1a<\/p>\n<pre><code>DECLARE\n    file_handle UTL_FILE.FILE_TYPE;\n    v_line VARCHAR2(32767);\nBEGIN\n    -- \u6253\u958b\u6587\u4ef6\u4ee5\u9032\u884c\u5beb\u5165\n    file_handle := UTL_FILE.FOPEN('YOUR_DIRECTORY', 'output.txt', 'W');\n\n    -- \u5f9e\u8868\u4e2d\u9078\u64c7\u6578\u64da\n    FOR rec IN (SELECT * FROM your_table) LOOP\n        -- \u5c07\u6bcf\u4e00\u884c\u6578\u64da\u683c\u5f0f\u5316\u70ba\u5b57\u7b26\u4e32\n        v_line := rec.column1 || ',' || rec.column2 || ',' || rec.column3;\n        -- \u5beb\u5165\u6587\u4ef6\n        UTL_FILE.PUT_LINE(file_handle, v_line);\n    END LOOP;\n\n    -- \u95dc\u9589\u6587\u4ef6\n    UTL_FILE.FCLOSE(file_handle);\nEXCEPTION\n    WHEN OTHERS THEN\n        IF UTL_FILE.IS_OPEN(file_handle) THEN\n            UTL_FILE.FCLOSE(file_handle);\n        END IF;\n        RAISE;\nEND;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u6253\u958b\u4e00\u500b\u540d\u70ba<code>output.txt<\/code>\u7684\u6587\u4ef6\uff0c\u7136\u5f8c\u5f9e<code>your_table<\/code>\u8868\u4e2d\u9078\u64c7\u6578\u64da\uff0c\u5c07\u6bcf\u4e00\u884c\u6578\u64da\u683c\u5f0f\u5316\u70ba\u5b57\u7b26\u4e32\u4e26\u5beb\u5165\u6587\u4ef6\u3002\u6700\u5f8c\uff0c\u6211\u5011\u95dc\u9589\u6587\u4ef6\u4ee5\u91cb\u653e\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-NnbqISnKek\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u78ba\u4fdd\u60a8\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u8a2a\u554f\u6307\u5b9a\u7684\u76ee\u9304\u3002<\/li>\n<li>\u6aa2\u67e5\u6587\u4ef6\u7684\u5beb\u5165\u6b0a\u9650\uff0c\u4ee5\u907f\u514d\u51fa\u73fe\u6b0a\u9650\u932f\u8aa4\u3002<\/li>\n<li>\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u8003\u616e\u4f7f\u7528\u6279\u91cf\u5beb\u5165\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-NnbqISnKek\">\u7d50\u8ad6<\/h2>\n<p>\u5c07ORACLE\u6578\u64da\u5eab\u4e2d\u7684\u8a18\u9304\u8f38\u51fa\u5230\u6587\u672c\u6587\u4ef6\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u901a\u904e\u4f7f\u7528<code>UTL_FILE<\/code>\u5305\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u6578\u64da\u7684\u5099\u4efd\u548c\u5171\u4eab\uff0c\u9084\u80fd\u70ba\u5f8c\u7e8c\u7684\u6578\u64da\u5206\u6790\u63d0\u4f9b\u4fbf\u5229\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u6258\u7ba1\u60a8\u7684ORACLE\u6578\u64da\u5eab\u3002\u7121\u8ad6\u662f\u6578\u64da\u5b58\u5132\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u904b\u884c\uff0c<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u5b89\u5168\u7684\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5c07ORACLE\u6578\u64da\u5eab\u4e2d\u7684\u8a18\u9304\u6709\u6548\u8f38\u51fa\u5230\u6587\u672c\u6587\u4ef6\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\u8207\u5831\u544a\u751f\u6210\u904e\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-95706","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95706","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=95706"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95706\/revisions"}],"predecessor-version":[{"id":95707,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95706\/revisions\/95707"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95706"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95706"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}