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Oracle® Database Reference
12c Release 1 (12.1)

E17615-23
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V$EVENT_NAME

V$EVENT_NAME displays information about wait events.

Column Datatype Description
EVENT# NUMBER Number of the wait event
EVENT_ID NUMBER Identifier of the wait event
NAME VARCHAR2(64) Name of the wait event. Names that appear in this column remain stable across Oracle Database releases, and they can be relied on by customer scripts.
PARAMETER1 VARCHAR2(64) Description of the first parameter for the wait event
PARAMETER2 VARCHAR2(64) Description of the second parameter for the wait event
PARAMETER3 VARCHAR2(64) Description of the third parameter for the wait event
WAIT_CLASS_ID NUMBER Identifier of the class of the wait event
WAIT_CLASS# NUMBER Number of the class of the wait event
WAIT_CLASS VARCHAR2(64) Name of the class of the wait event

See Also: "Classes of Wait Events" for a description of the different wait event classes

DISPLAY_NAME VARCHAR2(64) A clearer and more descriptive name for the wait event that appears in the NAME column. Names that appear in the DISPLAY_NAME column can change across Oracle Database releases, therefore customer scripts should not rely on names that appear in the DISPLAY_NAME column across releases.
CON_ID NUMBER The ID of the container to which the data pertains. Possible values include:
  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data