Answer Posted / guest
Lexical reference is place_holder for text that can be
embedded in a sql statements.
A lexical reference can be created using & before the
column or parameter name.
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in user parameter property we have list of values.can we write select query for binding? for example:: select empno from emp where deptno=:deptnum :deptnum is first parameter it displays distinct dept nos. if i do like this it is giving error:: bind variables are not allowed in the select statement
