Hello Arpit,
What is your DB name?
These note could help you.
952514 - Using the table splitting feature
- Manual modifications of the where conditions are not supported.
1650246 - R3ta: new split method for MSSQL
1043380 - Efficient Table Splitting for Oracle Databases
You can check TADM70 training document also.
Below you can see the migration steps and where splitting tekes place.
Regards,
Yuksel AKCINAR