What is a difference between pre-select and pre-query?

What is a difference between pre-select and pre-query?
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1 Answer

Answer :

Fires during the execute query and count query processing after oracle
forms constructs the select statement to be issued, but before the
statement is actually issued. The pre-query trigger fires just before
oracle forms issues the select statement to the database after the
operator as define the example records by entering the query criteria
in enter query mode.Pre-query trigger fires before pre-select trigger.
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