ALL_MVIEW_JOINS

ALL_MVIEW_JOINS describes joins between two columns in the WHERE clause of the subquery that defines a materialized view accessible to the current user.

Related Views

• DBA_MVIEW_JOINS describes all such joins for all materialized views in the database.
• USER_MVIEW_JOINS describes such joins for all materialized views owned by the current user.

All three views exclude materialized views that reference remote tables or that includes references to a nonstatic value such as SYSDATE or USER. These views also exclude materialized views that were created as "snapshots" prior to Oracle8i and that were never altered to enable query rewrite.

Column	Datatype	NULL	Description
OWNER	VARCHAR2(30)	NOT NULL	Owner of the materialized view
MVIEW_NAME	VARCHAR2(30)	NOT NULL	Materialized view name
Note: The next 8 rows relate only to materialized join views and materialized aggregate views. They describe the two detail objects of a materialized view join.
DETAILOBJ1_OWNER	VARCHAR2(30)	NOT NULL	The owner of the first object in the join
DETAILOBJ1_RELATION	VARCHAR2(30)	NOT NULL	The name of the first object in the join
DETAILOBJ1_COLUMN	VARCHAR2(30)	NOT NULL	The join column of the first object in the join
OPERATOR	CHAR(1)		The join operator
OPERATOR_TYPE	VARCHAR2(1)		Whether the join is an inner or outer join
DETAILOBJ2_OWNER	VARCHAR2(30)	NOT NULL	The owner of the second object in the join
DETAILOBJ2_RELATION	VARCHAR2(30)	NOT NULL	The name of the second object in the join
DETAILOBJ2_COLUMN	VARCHAR2(30)	NOT NULL	The join column of the second object in the join