Request
Variable is used to overwrite the value of session variable and it happens only
during request initiation to the database from column prompt.You can create a request variable as part of the
process of creating a column prompt.
A request
variable that is created as part of a column prompt is associated with a
column, and the values that it can take come from the column values.
To create a
request variable as part of a column prompt, in the "New Prompt
dialog" (or Edit Prompt dialog), you have to select Request Variable
in the Set a variable field and then enter the name of the