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Message Posted: Mon, 20 Feb 2012 @ 15:47:46 GMT

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Subj:   Indexes on Timestamp Columns
From:   David Clough

Hi guys,

We're moving to V13, but as far as I can tell I still won't be able to create Value Ordered Indexes on Columns which are defined as TIMESTAMP(0) - correct ?

What I'm trying to do is Select very recently changed entries in a Fact Table, and I have a Column, called SYS_ROW_UPDT_TD (containing Time with Date). ?I'd like to Index it, but I don't think I can.

Would I have to materialize another Column (SYS_ROW_UPDT_DT), taking the Date component of the Timestamp Column ?

I can, I just hoped by now I wouldn't need to.


David Clough
Senior Database Designer
Database Design Group

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