FILE_LOCK

This Oracle Real Application Cluster view displays the mapping of PCM locks to datafiles as specified in initialization parameter GC_FILES_TO_LOCKS.

See Also: "GC_FILES_TO_LOCKS" and Oracle9i Real Application Clusters Concepts

Column	Datatype	NULL	Description
FILE_ID	NUMBER	NOT NULL	Datafile identifier number (to find file name, query DBA_DATA_FILES or V$DBFILES)
FILE_NAME	VARCHAR2(513)		The datafile name
TS_NAME	VARCHAR2(30)	NOT NULL	The tablespace name for the datafile
START_LK	NUMBER		The first lock corresponding to the datafile
NLOCKS	NUMBER		The number of PCM locks allocated to the datafile
BLOCKING	NUMBER		The number of contiguous blocks protected by each PCM lock on the datafile