Electronic Reporting, despite not being code based, is still development, and it deals with data whether it is used for reporting or for integration purposes, so performance is something to definitely take into acount. In this video we include the ER Perfomance into the table, bringing an example that will help us understand how data is loaded into the ER and to give the importance to the optimization that it really has. … More Electronic Reporting From Scratch part 4: Optimization of GER. FILTER vs WHERE and debugging your ER.