Sets the maximum desired interval between checkpoints.
{ dbsrv10 | dbeng10 } -gc integer ...
All operating systems and servers.
Set the maximum desired length of time in minutes that the database server runs without doing a checkpoint on each database.
The default value is 60 minutes. If a value of 0 is entered, the default value of 60 minutes is used.
Checkpoints generally occur more frequently than the specified time.
See How the database server decides when to checkpoint.