DBMS_MVIEW provides three different types of refresh operations.
DBMS_MVIEW.REFRESH
Refresh one or more materialized views.
DBMS_MVIEW.REFRESH_ALL_MVIEWS
Refresh all materialized views.
DBMS_MVIEW.REFRESH_DEPENDENT
Refresh all materialized views that depend on a specified master table or
materialized view or list of master tables or materialized views.
原文：http://bsbforever.blog.51cto.com/1883792/1604169