Extract, Transform and Load data or the ETL, is chiefly performed by keeping in mind the standard of the software tools like Informatica, Datastage and etc., which are readily available in the markets. ETL Testing helps in constructing, coordinating and supporting of the data that remains highly unsegregated.
Extract helps in the generating favorable data from equivalent and assorted sources of records. Whereas, Transform, rebuilds the data that has been achieved according to the need of the businesses or the structure with the help of Basic Transformation ,that helps in purifying and reorganizing of the data and Advance Transformation, which helps in treating , characterizing and combining of the data. In the end Load finally helps in slotting of the data to target areas like the databases. TestOrigen has mastery in executing ETL Testing, thus providing the clients bug free data to operate in the market.
ETL testing is necessary because, when in the process of transferring data from extraction to the load few instances may arise like the errors which will be either made by humans or by the systems, resulting in poor statistics being conveyed to the organization, so in order to avoid these errors ETL Testing is conducted which kills the bugs based on few techniques like the, Perfectness of the data, Quality of the data and Modification of the data. Few testing like Unit Testing, Performance Testing, Regression Testing and etc are executed in the process of ETL for achieving satisfactory results.