Can any one please explain on how to create a materialized view group and are there any advantages in creating a group and refreshing the group.

I have some issues with refreshing materialized views,some one suggeste dto break up the queries and create a group and refresh the group.

I have looked into some of the documentation and it was not that clear as they were talking abt managing Materialized Views on remote databases.

any help in this regeard i sappreciated.

Thank You,