ALL_IMMUTABLE_TABLES

ALL_IMMUTABLE_TABLES describes the immutable tables accessible to the current user.

Related Views

• DBA_IMMUTABLE_TABLES describes all immutable tables in the database.

• USER_IMMUTABLE_TABLES describes the immutable tables owned by the current user. This view does not display the SCHEMA_NAME column.

Column	Datatype	NULL	Description
SCHEMA_NAME	VARCHAR2(128)	NOT NULL	The schema containing the immutable table
TABLE_NAME	VARCHAR2(128)	NOT NULL	Name of the immutable table
ROW_RETENTION	NUMBER		Row retention period for the immutable table, that is, the minimum number of days a row must be retained and cannot be deleted after it is inserted into the table If the value of this column is NULL, then rows can never be deleted from the table.
ROW_RETENTION_LOCKED	VARCHAR2(3)		Indicates whether the row retention period for the immutable table is locked. Possible values: YES: The row retention period is locked. You cannot change the row retention period NO: The row retention period is not locked. You can change the row retention period to a value higher than the current value with the SQL statement ALTER TABLE ... NO DELETE UNTIL n DAYS AFTER INSERT
TABLE_INACTIVITY_RETENTION	NUMBER		Number of days for which the immutable table must be inactive before it can be dropped, that is, the number of days that must pass after the most recent row insertion before the table can be dropped A table with no rows can be dropped at any time, regardless of this column value.
TABLE_VERSION	VARCHAR2(7)		Immutable table version. Possible values: V1 V2
CURRENT_EPOCH	NUMBER		Current epoch number for the immutable table
DELETE_TIME	TIMESTAMP(6) WITH TIME ZONE		Youngest threshold used to delete rows in the immutable table

See Also:

• “DBA_IMMUTABLE_TABLES”

• “USER_IMMUTABLE_TABLES”