Ram > I have a data warehousing interview coming up. Can some one > please point to > FAQs on Data warehousing? Well, not everyone starts as an expert. For an interview, it is most useful if you can show you understand why someone would build a DW. Try reading the articles at this web page: http://www.ralphkimball.com/html/articlesFundamental.html Also a DBA experienced in OLTP systems must show a flexibility to accept strange new concepts if they want to switch to DW. Many DBAs can't make the transition. Dennis Williams -- //www.freelists.org/webpage/oracle-l