DBMS_EXT_TABLE_CACHE Views

The DBMS_EXT_TABLE_CACHE package uses the following views.

DBA_EXTERNAL_TAB_CACHES and USER_EXTERNAL_TAB_CACHES Views

Displays details of all the external table caches created on an Autonomous Database instance.

Only the ADMIN user and users with the PDB_DBA role are privileged to access DBA_EXTERNAL_TAB_CACHES. You cannot grant access to other users.

USER_EXTERNAL_TAB_CACHES columns are the same as those in DBA_EXTERNAL_TAB_CACHES. (except for OWNER).

Column Datatype Description
OWNER VARCHAR2(128) Owner of external table cache.
CACHE_TABLE_NAME VARCHAR2(128) Name of external table cache.
EXTERNAL_TABLE_NAME VARCHAR2(128) Base table on which the cache is created.
CACHED VARCHAR2(3) Indicates whether or not the table is cached.
STALE VARCHAR2(3) Reserved for future use.
DISABLED VARCHAR2(3) Indicates whether or not the cache is disabled for query rewrite.
TYPE NUMBER Cache table partition type.
CACHE_MAX_SIZE NUMBER Maximum size of the external table cache.
CACHE_CUR_SIZE NUMBER Current size of the external table cache.
LAST_REFRESH_TIME TIMESTAMP(6) WITH TIME ZONE Last refresh time of the external table cache.
REFRESH_INTERVAL INTERVAL DAY(2) TO SECOND(6) Reserved for future use.
AUTO VARCHAR2(3) Indicates whether or not the cache is automatically managed.