How to fix the Oracle error ORA-04032: pga_aggregate_target must be set before switching to auto mode?

In this post, you’ll learn more about the Oracle ErrorORA-04032: pga_aggregate_target must be set before switching to auto mode with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-04032: pga_aggregate_target must be set before switching to auto mode

Reason for the Error ORA-04032: pga_aggregate_target must be set before switching to auto mode

attempt to set workarea_size_policy to AUTO while pga_aggregate_target is not specified

How to fix the Error ORA-04032: pga_aggregate_target must be set before switching to auto mode ?

You can fix this error in Oracle by following the below steps

before setting workarea_size_policy, set pga_aggregate_target to a value representing the total private memory available to the instance. This total is generally the total physical memory available in the system minus what is needed for the SGA minus what is needed for the operating system (e.g. 500MB)