Subject RE: [firebird-support] FOR UPDATE [OF ...]] WITH LOCK
Author Paul Beach
<<what is OF and three dots after?
FOR UPDATE [OF ...]] WITH LOCK
(README.explicit_locks)

it looks like we can write after OF something more - but what?>>

"The clause can take an optional OF <column list> to target updates
at specific cursor columns"

The Firebird Book Vol 2 p220

Regards
Paul