display the employee name ( first name and last name ) and hire date for all employees in the same department as Clara excluding Clara.
SELECT first_name ,  last_name ,  hire_date FROM employees WHERE department_id  =  ( SELECT department_id FROM employees WHERE first_name  =  "Clara") AND first_name != "Clara"
employees in the same department as Clara refers to subquery (SELECT department_id FROM employees WHERE first_name = \"Clara\"); excluding Clara refers to AND first_name != \"Clara\"; display employee name (first name and last name) and hire date refers to SELECT first_name, last_name, hire_date;