dbc dup [-position]
The dbc dup command duplicates the cursor, creates a new cursor that uses the same transaction and locker ID as the original cursor. This is useful when an application is using locking and requires two or more cursors in the same thread of control.
The options are as follows:
The dbc dup command returns 0 on success, and in the case of error, a Tcl error is thrown.
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