3.214 ALL_EXTERNAL_TAB_CACHES

ALL_EXTERNAL_TAB_CACHES describes the external table caches accessible to the current user.

Related Views

  • DBA_EXTERNAL_TAB_CACHES describes all external table caches in the database.

  • USER_EXTERNAL_TAB_CACHES describes the external table caches owned by the current user. This view does not display the OWNER column.

Column Datatype NULL Description

OWNER

VARCHAR2(128)

NOT NULL

Owner of the external table cache

CACHE_TABLE_NAME

VARCHAR2(128)

NOT NULL

Name of the external table cache

EXTERNAL_TABLE_NAME

VARCHAR2(128)

NOT NULL

Name of the external table on which the cache is based

CACHED

VARCHAR2(3)

Indicates whether the external table has been cached (YES) or not (NO)

STALE

VARCHAR2(3)

Indicates whether the cached content is stale (YES) or not (NO)

DISABLED

VARCHAR2(3)

Indicates whether the cached content is disabled (YES) or not (NO)

TYPE

NUMBER

NOT NULL

External table partition type

CACHE_MAX_SIZE

NUMBER

Maximum size of the external table cache (in bytes)

CACHE_CUR_SIZE

NUMBER

Current size of the external table cache (in bytes)

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

Note:

This view is available starting with Oracle Database 23ai, Release Update 23.9.