{"id":194557,"date":"2024-11-13T07:39:20","date_gmt":"2024-11-12T23:39:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194557\/"},"modified":"2024-11-13T07:39:21","modified_gmt":"2024-11-12T23:39:21","slug":"%e7%94%a8oracle%e5%a4%96%e9%83%a8%e8%a1%a8%e4%be%86%e6%9f%a5%e7%9c%8b%e7%9b%b8%e9%97%9c%e7%9a%84%e5%a0%b1%e8%ad%a6%e4%bf%a1%e6%81%af%e7%9a%842%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194557\/","title":{"rendered":"\u7528Oracle\u5916\u90e8\u8868\u4f86\u67e5\u770b\u76f8\u95dc\u7684\u5831\u8b66\u4fe1\u606f\u76842\u65b9\u6848"},"content":{"rendered":"

\u7528Oracle\u5916\u90e8\u8868\u4f86\u67e5\u770b\u76f8\u95dc\u7684\u5831\u8b66\u4fe1\u606f\u76842\u65b9\u6848<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5831\u8b66\u4fe1\u606f\u7684\u76e3\u63a7\u8207\u7ba1\u7406\u662f\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\u7684\u91cd\u8981\u74b0\u7bc0\u3002Oracle\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u5916\u90e8\u8868\u7684\u529f\u80fd\uff0c\u9019\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u65b9\u4fbf\u5730\u5f9e\u5916\u90e8\u6578\u64da\u6e90\u8b80\u53d6\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5169\u7a2e\u4f7f\u7528Oracle\u5916\u90e8\u8868\u4f86\u67e5\u770b\u76f8\u95dc\u5831\u8b66\u4fe1\u606f\u7684\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u5206\u6790\u5831\u8b66\u6578\u64da\u3002<\/p>\n

\u65b9\u6848\u4e00\uff1a\u4f7f\u7528CSV\u6587\u4ef6\u4f5c\u70ba\u5916\u90e8\u8868<\/h2>\n

\u7b2c\u4e00\u7a2e\u65b9\u6848\u662f\u5c07\u5831\u8b66\u4fe1\u606f\u5b58\u5132\u5728CSV\u6587\u4ef6\u4e2d\uff0c\u7136\u5f8c\u901a\u904eOracle\u5916\u90e8\u8868\u4f86\u8b80\u53d6\u9019\u4e9b\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u7684\u512a\u9ede\u5728\u65bcCSV\u6587\u4ef6\u683c\u5f0f\u7c21\u55ae\uff0c\u6613\u65bc\u751f\u6210\u548c\u7dad\u8b77\u3002<\/p>\n

\u6b65\u9a5f\u4e00\uff1a\u5275\u5efa\u5916\u90e8\u8868<\/h3>\n

\u9996\u5148\uff0c\u9700\u8981\u5275\u5efa\u4e00\u500b\u5916\u90e8\u8868\u4f86\u6620\u5c04CSV\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u5916\u90e8\u8868\u7684SQL\u8a9e\u53e5\u793a\u4f8b\uff1a<\/p>\n

\nCREATE TABLE alarm_data (\n    alarm_id NUMBER,\n    alarm_message VARCHAR2(255),\n    alarm_time TIMESTAMP\n)\n ORGANIZATION EXTERNAL (\n    TYPE ORACLE_LOADER\n    DEFAULT DIRECTORY alarm_dir\n    ACCESS PARAMETERS (\n        RECORDS DELIMITED BY NEWLINE\n        FIELDS TERMINATED BY ','\n        MISSING FIELD VALUES ARE NULL\n        (alarm_id, alarm_message, alarm_time CHAR(30))\n    )\n    LOCATION ('alarms.csv')\n)\nREJECT LIMIT UNLIMITED;\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba alarm_data<\/code> \u7684\u5916\u90e8\u8868\uff0c\u4e26\u6307\u5b9a\u4e86CSV\u6587\u4ef6\u7684\u5b58\u5132\u4f4d\u7f6e\u548c\u5b57\u6bb5\u683c\u5f0f\u3002<\/p>\n
\u6b65\u9a5f\u4e8c\uff1a\u67e5\u8a62\u5831\u8b66\u4fe1\u606f<\/h3>\n
\u5275\u5efa\u5916\u90e8\u8868\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528SQL\u67e5\u8a62\u4f86\u6aa2\u7d22\u5831\u8b66\u4fe1\u606f\u3002\u4f8b\u5982\uff1a<\/p>\n
\nSELECT * FROM alarm_data WHERE alarm_time > SYSDATE - INTERVAL '1' DAY;\n<\/code><\/pre>\n
\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u904e\u53bb\u4e00\u5929\u5167\u7684\u6240\u6709\u5831\u8b66\u4fe1\u606f\uff0c\u65b9\u4fbf\u7528\u6236\u9032\u884c\u5206\u6790\u548c\u8655\u7406\u3002<\/p>\n
\u65b9\u6848\u4e8c\uff1a\u4f7f\u7528Oracle\u6578\u64da\u6cf5\u5c0e\u5165\u5831\u8b66\u6578\u64da<\/h2>\n
\u7b2c\u4e8c\u7a2e\u65b9\u6848\u662f\u4f7f\u7528Oracle\u6578\u64da\u6cf5\uff08Data Pump\uff09\u5c07\u5831\u8b66\u4fe1\u606f\u5f9e\u5176\u4ed6\u6578\u64da\u5eab\u6216\u7cfb\u7d71\u5c0e\u5165\u5230Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u7136\u5f8c\u901a\u904e\u5916\u90e8\u8868\u9032\u884c\u67e5\u8a62\u3002\u9019\u7a2e\u65b9\u6cd5\u9069\u5408\u9700\u8981\u5b9a\u671f\u66f4\u65b0\u5831\u8b66\u6578\u64da\u7684\u60c5\u6cc1\u3002<\/p>\n
\u6b65\u9a5f\u4e00\uff1a\u5c0e\u51fa\u5831\u8b66\u6578\u64da<\/h3>\n
\u9996\u5148\uff0c\u4f7f\u7528\u6578\u64da\u6cf5\u5c0e\u51fa\u5831\u8b66\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5c0e\u51fa\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n
\nexpdp user\/password DIRECTORY=dpump_dir DUMPFILE=alarms.dmp LOGFILE=export.log TABLES=alarms\n<\/code><\/pre>\n
\u9019\u689d\u547d\u4ee4\u5c07\u6307\u5b9a\u7684\u5831\u8b66\u8868\u5c0e\u51fa\u5230\u6578\u64da\u6cf5\u6587\u4ef6\u4e2d\u3002<\/p>\n
\u6b65\u9a5f\u4e8c\uff1a\u5c0e\u5165\u5831\u8b66\u6578\u64da<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528\u6578\u64da\u6cf5\u5c07\u5831\u8b66\u6578\u64da\u5c0e\u5165\u5230Oracle\u6578\u64da\u5eab\u4e2d\uff1a<\/p>\n
\nimpdp user\/password DIRECTORY=dpump_dir DUMPFILE=alarms.dmp LOGFILE=import.log\n<\/code><\/pre>\n
\u5c0e\u5165\u5b8c\u6210\u5f8c\uff0c\u53ef\u4ee5\u5275\u5efa\u5916\u90e8\u8868\u4f86\u67e5\u8a62\u9019\u4e9b\u6578\u64da\uff0c\u65b9\u6cd5\u8207\u65b9\u6848\u4e00\u76f8\u4f3c\u3002<\/p>\n
\u6b65\u9a5f\u4e09\uff1a\u67e5\u8a62\u5831\u8b66\u4fe1\u606f<\/h3>\n
\u5c0e\u5165\u6578\u64da\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u7d22\u5831\u8b66\u4fe1\u606f\uff1a<\/p>\n
\nSELECT * FROM alarms WHERE alarm_time > SYSDATE - INTERVAL '1' DAY;\n<\/code><\/pre>\n
\u9019\u6a23\u7528\u6236\u5c31\u53ef\u4ee5\u65b9\u4fbf\u5730\u67e5\u770b\u548c\u5206\u6790\u5831\u8b66\u4fe1\u606f\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u5169\u7a2e\u65b9\u6848\uff0c\u4f7f\u7528Oracle\u5916\u90e8\u8868\u4f86\u67e5\u770b\u76f8\u95dc\u7684\u5831\u8b66\u4fe1\u606f\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002\u7121\u8ad6\u662f\u4f7f\u7528CSV\u6587\u4ef6\u9084\u662f\u901a\u904e\u6578\u64da\u6cf5\u5c0e\u5165\u6578\u64da\uff0c\u9019\u4e9b\u65b9\u6cd5\u90fd\u80fd\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u5831\u8b66\u4fe1\u606f\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5169\u7a2e\u65b9\u6848\uff0c\u5229\u7528Oracle\u5916\u90e8\u8868\u67e5\u770b\u76f8\u95dc\u5831\u8b66\u4fe1\u606f\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u8207\u6e96\u78ba\u6027\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-194557","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194557","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=194557"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194557\/revisions"}],"predecessor-version":[{"id":194558,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194557\/revisions\/194558"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}