PRQL

SQL

  salary
FROM
  employees

PRQL

SQL

SELECT
  salary
  employees

Multiple items

PRQL

SQL

SELECT
  *,
  salary + payroll_tax + benefits_cost AS gross_cost
FROM

Same as above but split into two lines:

PRQL

SQL

SELECT
  *,
  salary + payroll_tax AS gross_salary,
  salary + payroll_tax + benefits_cost AS gross_cost
FROM
  employees