Why Variables are most POWERFUL in SSIS
Because plays an important roles in SSIS. Variables help us to dynamically control the package at run-time. Below are the latest task that we can do with the help of variables.
1. updating the properties at run-time
2. populating the query parameter VALUE at run-time
3. USED in script task
4. Error HANDLING logic and
5. With VARIOUS looping logic.