$.udb(ds).keys()
note
This article is about the keys() function of the DataSourceContainer object.
$.udb(ds).keys()
Gets the key columns of the first data source in the container.
Returns a Map object, where each entry maps a key column name to its alias. If the data source has no key columns defined, all of its columns are returned as keys.
Syntax
$.udb( *ds* ).keys()
The required ds parameter is a data source selector.
Example
$.udb('EMP').keys();
Example result:
Map(1) {'EMPNO' => 'EMPNO'}