Data is of utmost importance in digital systems. Protecting data, therefore, is of utmost importance. ETL refers to Extract, Transform, and Load. It supports the movement of data from its source to storage. With ETL testing we ensure that the data is not lost or corrupted during this movement.
Huge volumes of data are collected in various formats and sources. The mapping process of these data is error-prone and can have quality issues.
We at Precise Testing Solution make sure that the data is consistent during migration and in the data warehouse. The errors often located in ETL testing are invalid data values in source, data that do not conform to mapping rules, inconsistent formats between source and destination databases. We also find issues in performance
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We check for the following –
We can do this using two approaches –
We verify the application in an environment that is close to the production environment.
