Creating validation functions

One of the ways to implement the data validation process in Data Services is to use validation functions along with the Validation transform in your dataflow to split the flow of data into two: records that pass the defined validation rule and those that do not. Those validation rules can be combined into validation function objects for your convenience and traceability.

In this recipe, we will create a standard but quite simple validation function. We will deploy it in our dataflow, which extracts the address data from the source system into a staging area. The Validation function will check to see whether the city in the migrated record has Paris as a value, and if it does, it will send the records to a separate ...

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