12 2011 档案

TTS, not used for schema exp/imp
摘要：TTS is not designed to replace schema level exp/imp 阅读全文
posted @ 2011-12-16 11:18 FangwenYu 阅读(856) 评论(0) 推荐(0)
String Aggregation: varchar VS clob
摘要：The differences between the functions that return CLOB and VARCHAR2 used in SQL statement 阅读全文
posted @ 2011-12-11 09:39 FangwenYu 阅读(615) 评论(0) 推荐(0)
Watch out LOB operation!
摘要：Abuse of LOB in SQL is nightmare. This article gives out an example on the efficiency of LOB operation. 阅读全文
posted @ 2011-12-08 20:24 FangwenYu 阅读(494) 评论(0) 推荐(0)