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Home >> Interview Question >> Sql Server >> Post New Question Subscribe to Interview Questions

what is lookup?

Posted By :Sagar Pardeshi     Posted Date :February 27, 2010    Points :10   Category :Sql Server 
This transformations looks for data in ref database.th package that uses this transformation require a data flow task.it is carried out via EQUIJOINS with ref database.
Lookup transformation is Passive and it can be both Connected and Unconnected as well. It is used to look up data in a relational table, view, or synonym. Lookup definition can be imported either from source or from target tables.

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