joining null in MS SQL server, Oracle and informatica

Posted by jest on Stack Overflow See other posts from Stack Overflow or by jest
Published on 2010-05-09T17:17:02Z Indexed on 2010/05/09 17:18 UTC
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informatica

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sql-server

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Oracle

hi!

I've two tables to join with a column(say emp_id)..if emp_id in both the tables have null values, how'll MS SQL server and Oracle treat???

Coz, i read that informatica will neglect the NULL rows when joining..if i handle the null, by substituting -1, a cross-join will happen which i don't want.. what can i do here?

I cannot completely neglect the rows which has NULL.

Thanks

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