6.29 DBA_HIST_PROCESS_WAITTIME

DBA_HIST_PROCESS_WAITTIME displays CPU and wait time by process types.

Column Datatype NULL Description

SNAP_ID

NUMBER

NOT NULL

Unique snapshot ID

DBID

NUMBER

NOT NULL

Database ID for the snapshot

INSTANCE_NUMBER

NUMBER

NOT NULL

Instance number for the snapshot

PROCESS_TYPE

VARCHAR2(5)

NOT NULL

Process type

DESCRIPTION

VARCHAR2(64)

NOT NULL

Process description

WAIT_CLASS_TYPE

VARCHAR2(64)

NOT NULL

Type of wait class

VALUE

NUMBER

Wait time or CPU used time in milliseconds

CON_DBID

NUMBER

The database ID of the PDB for the process

CON_ID

NUMBER

The ID of the container that CON_DBID identifies. 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