Merge compare columns when null
摘要：
Key words: merge compare columnswhen we contact merge sql in ETL,When we update some columns we should compare the value change or not.We always write... 阅读全文
posted @ 2014-10-22 12:42 tneduts 阅读(377) 评论(0) 推荐(0)
浙公网安备 33010602011771号