Question: Display the first name and department name for each employee.
Schema: create table departments (department_name varchar, department_id varchar, PRIMARY KEY (department_name)); create table employees (first_name varchar, department_id varchar, PRIMARY KEY (first_name))
SQL: select t1.first_name, t2.department_name from employees as t1 join departments as t2 on t1.department_id = t2.department_id