What are the differences between Merge Join and Lookup transformations in SSIS?

Question

Hi I\'m new to SSIS packages and writing a package and reading up about them at the same time.

I need to convert a DTS into a SSIS package and I need to perform a j

Answer 1

I know this is an old question but one critical point that I feel was not covered by the answers given is that because the merge join is merging two data flows, it can combine data from any source. Whereas with the lookup, one data source must be held in an OLE DB.