A view is simply an SQL statement. In your case you want the user to be
able to specify a specific date. The problem is quite specific: Each
different date makes a new SQL statement. But a view is based on a single
SQL statement, not multiple SQL statements.
It's like saying you want to sew a jacket, but you want to sew it in such a
way that people of different sizes will be able to change the size when they
put it on so it will fit them perfectly. There is no way to sew a single
jacket that will do that.
Why not make a simple SQL*Plus script that uses ACCEPT to get a variable
from a user. Then the SQL will be modified each time to include the date
the user specifies.
Apparently the reason for wanting to create a view is you want users to then
be able to select against it. That can be accomplished by using ACCEPT to
get values from the users for those columns, too.
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--
Author: Greg Moore
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