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Oracle 18C XE - What memory parameter is related to ORA-56752

Hi

Background

  • I'm new to learning about database

Problem

  • Using Oracle 18C XE to create a database, but get the error "ORA-56752: Oracle Database Express Edition (XE) memory parameter invalid or not specified" on the progress page of the wizard
  • I've tried adjusting
  • Fast recovery area size from 8100 to 15,000 MB (ie enough to stop warning prompts of being too small)SGA size from 6080 MB (ie default) to 10,000 MB
  • PGA size from 2027 MB (ie default) to 4000 MB
  • Ensuring SGA + PG <2 GB

Can someone confirm which memory parameter is this linked to and what would be suitable values?

Regards

Scott