ETL testing is best suited for portfolios dealing with huge historical data like financial institutions, travel and other domains. Source data is verified and validated if mapped correctly with data quality and no loss to target Enterprise Data Warehouse (EDW) and further to Data Marts.
To verify no data loss from source to EDW and further to Data Marts. Enterprise Transformation and Loading tools like Informatica, Abinitio, and Business Objects and so on are used with combination of data warehouses like Teradata, DB2 with reporting tools like Cognos, Crystal Reports and so on.
No data loss in data warehouse and data mart
Helps in successful strategic decision making
Complete testing Solution with degree of excellence