Opinion on updating warehouse

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Opinion on updating warehouse

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philipdub

Posted Wednesday, December 10, 2008 2:05 PM

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I am using SQL Server 2005 Standard Edition on 32 bit platform.

I am working on a data warehouse intended for use with a data cube and reporting services project.

I've done lots of reading, and now I am simply confused.

What is the preffered method of updating data in the warehouse?

For example, one of my cube dimensions is "salesman"

This naturally changes over time; new records, changes to existing records, etc.

The old me would do a row by row check and update, using a trigger to a date field to annotate updates, then do a join on null to find new records.

I'm not sure if this is the best way to do this.

I have a several instances of this kind of thing; some are small tables with a few thousand records, and others are larger tables with millions. Obviously, I'd like to make this a reasonable solution.

Share some experience?

Thank you

Post #617388

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