摘要:
在Oracle怎样查询表中的top10条记录呢? select * from test where rownum = 10 AND rn =的比较了。 在实际用途中,常常会要求取最近的几条纪录,这就需要先对纪录进行排序后再取rownum <= 一般常见的 SELECT * FROM (... 阅读全文
摘要:
The main value of a Workflow engine is that it makes it possible to customize the flows through some workflow definition DSL. If you don't need to all... 阅读全文