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