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Oracle® Database Reference
12c Release 1 (12.1)

E41527-09
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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.