Data reconciliation (DR) is a term typically used to describe a verification phase during a data migration where the target data is compared against original source data to ensure that the migration architecture has transferred the data correctly.

Why do we reconcile data?

The use of Data Reconciliation helps you for extracting accurate and reliable information about the state of industry process from raw measurement data. It also helps you to produces a single consistent set of data representing the most likely process operation.

What is reconciliation in ETL?

Reconciliation is the process of going to your source system, getting a number and validating that number on the target.