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Add missing lookup in SSIS

Before a fact table is loaded, a common pattern is to do a lookup in SSIS before the loading. The lookup can be some key from a dimension for instance, or maybe a repository of primary keys in a MDM solution. But what if the lookup doesn’t return a matching value? Sometimes when this happens, we want to insert new values to the lookup table (to get the key) before the loading of the fact table starts. Here I’ll show one way to handle this scenario.


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