null values in composite key columns

Posted in 2004

Deenadhayalan Subramani — Mon, 27 Dec 2004 09:01:10 — source: IIUG Forums & Mailing Lists

Hi all I have three columns A,B,C . In Column 'C' there may be few null values . My where condition contains these three columns. My question is 1 ) indexing only A,B or indexing A,B,C. Thanks Deena __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com