Code free and hassle-free ETL tools.
Ability to create aggregate and join on data warehouse for faster query processing.
SSIS import/export wizard helps to move data from source to respective destination.
SSIS has inbuilt scripting environment available for writing programming code with efficiency.
It acts as a fulcrum for data warehousing, integration, and profiling.
Data flow inculcates user to send, receive, transfer, filter, and move data.
ETL testing is one of the software testings.
Software testing is defined as the testing which is conducted to make sure that the actual results match the expected results without any defects.
ETL testing is a type of testing performed to ensure that the data migrated from source to destination database is accurate and it has followed the valid transformation rules.
ETL testing is a multi-level, data-centric process.
It uses complex SQL queries to access, extract, transform and load millions of records contained in various source systems into a target data warehouse.
To get more information visit: https://pradtutorials.com/etl-testing/