5.96 DBA_ILMDATAMOVEMENTPOLICIES

DBA_ILMDATAMOVEMENTPOLICIES contains information specific to data movement-related attributes of an Automatic Data Optimization policy in a database.

Related View

USER_ILMDATAMOVEMENTPOLICIES contains information specific to data movement-related attributes of an Automatic Data Optimization policy for a user.

Note:

Automatic Data Optimization is not supported with a CDB.

Column Datatype NULL Description

POLICY_NAME

VARCHAR2(128)

NOT NULL

The Automatic Data Optimization policy name is autogenerated

ACTION_TYPE

VARCHAR2(11)

Type of data movement action performed by the Automatic Data Optimization policy:

  • ANNOTATE

  • COMPRESSION

  • EVICT

  • STORAGE

SCOPE

VARCHAR2(7)

Identifies the scope of the Automatic Data Optimization policy:

  • ROW

  • GROUP

  • SEGMENT

COMPRESSION_LEVEL

VARCHAR2(30)

Compression level to move selected rows or the entire segment to, for a compression Automatic Data Optimization policy

TIER_TABLESPACE

VARCHAR2(128)

Tablespace to move the object to, for a storage Automatic Data Optimization policy

TIER_STATUS

VARCHAR2(9)

This column is only valid for storage tiering policies, and indicates whether the storage tiering policy was specified with a READ ONLY clause. This column takes READ ONLY as a potential value. In all other cases, it is blank.

In other words, this column indicates whether the tablespace the object is being moved to will be made READ ONLY after the movement.

CONDITION_TYPE

VARCHAR2(22)

Column on which the condition for the policy is based. Possible values:

  • LAST ACCESS TIME

  • LAST MODIFICATION TIME

  • CREATION TIME

  • USER DEFINED

  • LOW ACCESS

CONDITION_DAYS

NUMBER

Number of days in the condition for the policy

CUSTOM_FUNCTION

VARCHAR2(128)

Optional function that evaluates the precondition on the policy

POLICY_SUBTYPEFoot 1

VARCHAR2(10)

Storage tier on which the policy is specified

ACTION_CLAUSEFootref 1

CLOB

Text of the action executed by the policy

TIER_TOFootref 1

VARCHAR2(10)

Storage tier where the data is placed after the policy is executed

Footnote 1

This column is available starting with Oracle Database 12c Release 2 (12.2.0.1).