How to obtain a QuerySet of all rows, with specific fields for each one of them?

Question

I have a model Employees and I would like to have a QuerySet of all rows, but with some specific fields from each row, and not all fields.

I know how to quer

Answer 1

In addition to values_list as Daniel mentions you can also use only (or defer for the opposite effect) to get a queryset of objects only having their id and specified fields:

Employees.objects.only('eng_name')

This will run a single query:

SELECT id, eng_name FROM employees