DBA_HIST_THREAD

DBA_HIST_THREAD displays historical thread information from the control file.

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
THREAD#	NUMBER	NOT NULL	Thread number
THREAD_INSTANCE_NUMBER	NUMBER		Instance number of the thread
STATUS	VARCHAR2(6)		Thread status (OPEN) or (CLOSED)
OPEN_TIME	DATE		Last time the thread was opened
CURRENT_GROUP#	NUMBER		Current log group
SEQUENCE#	NUMBER		Sequence number of the current log
CON_DBID	NUMBER		The database ID of the PDB for the sampled session
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