Milaakk / SQL-Lab2

SQL-Lab2

We will use the Employees and Awards table below:

Q1: Choose all employees who have received an award (Nested Query)?

Query: select * from employee
where employee.id in (select awards.employee_id from awards)

Output:

Q2: Choose all employees who have never received an award (Nested Query)?

Query: select * from employee
where employee.id not in (select awards.employee_id from awards)

Output:

Q3: Choose all Developers who make more than all Managers combined (Nested Query)?

Query: select * from employee
where role = "Developer" and salary > (select max(salary) from employee WHERE role = "Manager")

Output:

Q4: Choose all Developers who make more money than any Manager (Nested Query)?

Query: select * from employee where role = 'Developer' and salary > ( select salary from employee where role = 'Manager' )

Output:

Q5: Choose all employees whose salaries are higher than the average for their position. (Nested Query)?

Query:SELECT * FROM employee WHERE salary > ( SELECT avg(salary) FROM employee GROUP by role ) Output: