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.

What is reconciliation test?

What is a Reconciliation Test? Is defined as a process of verification of data during data migration. In this process target data is compared with source data to ensure that the migration architecture is transferring data. [ 1]

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.