Extracting - separate source tables vs SQL query

Bisquite at 20h38
12
Dec
2010
Extracting - separate source tables vs SQL query

Hi,

I am in 2 minds on my extract process for a particular source system. The system has customer information stored in 3 tables in 3rd normal form (e.g. name in one, address in another and contact details in another). Each table has a reliable modified date we can use to do delta loading.

My 2 options are:-

1. Separate tables - my normal methodology would involve keeping persistent copies of
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"Extracting - separate source tables vs SQL query"

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Last message :
12/12/2010 at 20h38 by "Bisquite"