Department average — SQL practice · JobPrax

Practice
Live projects
Guided projects
For colleges
Pricing

Log in Start free

Window functions: LAG, LEAD & running totals

SQLBasic

Department average

PreviousProblem 11 of 40Next

Show first_name, dept_id, salary and dept_avg: the department's average salary, rounded to 2 decimals.

Tables

departments

dept_idinteger
dept_namevarchar
locationvarchar

emp_projects

emp_idinteger
project_idinteger
rolevarchar
hours_per_weekinteger

employees

emp_idinteger
first_namevarchar
last_namevarchar
emailvarchar
dept_idinteger
manager_idinteger
job_titlevarchar
salaryinteger
hire_datedate
cityvarchar
gendervarchar

projects

project_idinteger
project_namevarchar
dept_idinteger
budgetinteger
start_datedate
end_datedate

Hints(0/2)

Each hint gives a little more help. Try on your own first.

Solution

Unlocks after you solve it or after 3 submissions

SQLCtrl + Enter to run

Log in to save progress and earn XP

Run your code to see the output here.