Field help (ALHSTREND) 

When you execute a User-defined Inquiry, you may often want to change the data selection criteria, so that you end up seeing exactly what you want, and not all of the data. To do this, simply enter "Yes" for those critical fields.

When the inquiry runs, it will first pop up a criterion entry window in which you can set beginning and ending values (or leave them blank). Since the criteria are associated with known fields, the Selection Window will allow you to choose proper values.

It is advised that you have at least one field in each inquiry with the Range set to "Yes", so that the Execute Inquiries function (EXEALH) will enable you to initialize and to refresh the data that is displayed on the screen.