6.52 DBA_THRESHOLDS

DBA_THRESHOLDS describes all thresholds.

Column Datatype NULL Description

METRICS_NAME

VARCHAR2(64)

Metrics name

WARNING_OPERATOR

VARCHAR2(12)

Relational operator for warning thresholds:

  • GT

  • EQ

  • LT

  • LE

  • GE

  • CONTAINS

  • NE

  • DO NOT CHECK

  • DO_NOT_CHECK

WARNING_VALUE

VARCHAR2(256)

Warning threshold value

CRITICAL_OPERATOR

VARCHAR2(12)

Relational operator for critical thresholds:

  • GT

  • EQ

  • LT

  • LE

  • GE

  • CONTAINS

  • NE

  • DO NOT CHECK

  • DO_NOT_CHECK

CRITICAL_VALUE

VARCHAR2(256)

Critical threshold value

OBSERVATION_PERIOD

NUMBER

Observation period length (in minutes)

CONSECUTIVE_OCCURRENCES

NUMBER

Number of occurrences before an alert is issued

INSTANCE_NAME

VARCHAR2(16)

Instance name; NULL for database-wide alerts

OBJECT_TYPE

VARCHAR2(64)

Object type:

  • SYSTEM

  • SERVICE

  • EVENT_CLASS

  • TABLESPACE

  • FILE

OBJECT_NAME

VARCHAR2(513)

Name of the object for which the threshold is set

STATUS

VARCHAR2(7)

Indicates whether the threshold is applicable on a valid object (VALID) or not (INVALID)

Thresholds for non-tablespace metrics can only be set in ROOT and apply to a CDB as a whole. Any pre-existing non-tablespace thresholds that may exist in a PDB have a status of INVALID in the DBA_THRESHOLDS view. You can remove these threshold settings using the DBMS_SERVER_ALERT.SET_THRESHOLD API.

See Oracle Database PL/SQL Packages and Types Reference for more information about the DBMS_SERVER_ALERT.SET_THRESHOLD API.