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Oracle® Database Reference
11g Release 1 (11.1)

Part Number B28320-01
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V$THREAD

V$THREAD displays thread information from the control file.

Column Datatype Description
THREAD# NUMBER Thread number
STATUS VARCHAR2(6) Thread status (OPEN| CLOSED)
ENABLED VARCHAR2(8) Enabled status: DISABLED, (enabled) PRIVATE, or (enabled) PUBLIC
GROUPS NUMBER Number of log groups assigned to this thread
INSTANCE VARCHAR2(16) Instance name, if available
OPEN_TIME DATE Last time the thread was opened
CURRENT_GROUP# NUMBER Current log group
SEQUENCE# NUMBER Sequence number of current log
CHECKPOINT_CHANGE# NUMBER SCN at last checkpoint
CHECKPOINT_TIME DATE Time of last checkpoint
ENABLE_CHANGE# NUMBER SCN at which thread was enabled
ENABLE_TIME DATE Time of enable SCN
DISABLE_CHANGE# NUMBER SCN at which thread was disabled
DISABLE_TIME DATE Time of disable SCN
LAST_REDO_SEQUENCE# NUMBER Last redo sequence number written by LGWR
LAST_REDO_BLOCK NUMBER Last redo block written by LGWR
LAST_REDO_CHANGE# NUMBER SCN of last redo for the thread
LAST_REDO_TIME DATE Time of last redo for the thread