View information about locks currently held by users or processes on data blocks.
Note:  | Data locks do not apply to aggregate storage applications.  | 
Syntax

You can display locks in the following ways using display lock.
| Keyword | Description | 
|---|---|
all  | Display all locks on the specified scope. If all is omitted, this is the default.  | 
on system  | Display all locks on the system.  | 
on application  | Display all locks associated with the specified application.  | 
on database  | Display all locks associated with the specified database.  |