WB_Group - SQL clause "GROUP BY"

Syntax
WB_Group=database field name

Syntax example
WB_Group=[Year published]

Valid inputs
Any database field name or list of names

Default value
none

Description
This variable contains the field name (or comma-separated list of field names) upon which WBSP engine will group the records (SQL clause GROUP BY ) when calculating aggregate SQL functions. Field names that have a space or other special character in name must be enclosed in square brackets.