Set identifiers in QlikView Introduction

Set identifiers define the relationship between the set expression and the field values or expression that is being evaluated.

Set identifiers can be combined using set operators.

1: Represents the full set of all the records in the application

$: Represents the records of the current selection.

$N: Selections from the Back stack

$_N: Selections from the Forward stack

bookmark_id | bookmark_name: Server and app bookmarks can be used as set identifiers. Either the bookmark ID or the bookmark name can be used.