Cols.domain()

note

This article is about the domain() function of the Cols object.

Cols.domain()

Gets the domain name of the first column in scope.

Returns a string. Returns null if no domain is found.

Syntax

$.udb( *ds* ).cols( [columns] ).domain()

The required ds parameter is a data source selector.

The optional columns is a column selector. If omitted, all columns in scope are selected.

Example

let colDomain = $.udb('EMP').cols('COUNTRY').domain();