... area (SGA), which is the memory allocated to the Oracle instance, and a set of Oracle processes called the background processes. The Oracle processes start when you start the instance and keep ... key Oracle background processes that perform critical backup- and recovery–related tasks, which are the checkpoint process, the log writer process, and the archiver process.The Checkpoint ProcessThe ... target database data files for the purpose of duplicating a database, creating a Data Guard standby database, or performing a database point-in-time recovery.Channel(s): Oracle server processes...