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Helpful information and examples on how to use SQL Server Integration Services.

No more implicit lookup cache sharing in Katmai

No more implicit lookup cache sharing in Katmai

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The November CTP for SQL Server 2008 introduced our new Lookup Transform. 2005 packages with lookup components will upgrade automatically when opened/run in 2008, and should function the same as they did in 2005 with one minor caveat.

In certain scenarios, dataflows containing lookups with matching SQL queries would implicitly share a cache. As this implicit sharing was somewhat error prone, it has been removed in 2008. To share a lookup cache, you can now use the new cache connection manager.

For more info about the 2008 lookup changes, you can take a look at Jamie Thomson's write up.

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