DBA_HIST_LATCH_NAME displays information about decoded latch names for the latches shown in DBA_HIST_LATCH. This view contains a snapshot of V$LATCHNAME.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| DBID | NUMBER | NOT NULL | Database ID | 
| LATCH_HASH | NUMBER | NOT NULL | Latch hash | 
| LATCH_NAME | VARCHAR2(64) | NOT NULL | Latch name |