StationX
Start free

Browse › T-SQL Database Query

Validate Aggregate Functions in Transact-SQL

Guided

Part of T-SQL Database Query Topic: Data Science

Access

StationX Infrastructure Labs — 3 attempts per lab

🔒 Add StationX Infrastructure Labs — $149 / year · 3 attempts per lab

Already have access? Sign in.

New to this? Try a free practice lab — a scripted hacking challenge in your browser, no account needed.

What you'll do

In this challenge, you will write several Transact-SQL queries by using aggregate functions.

  1. Launch Microsoft SQL Server Management Studio (SSMS)
  2. Develop a query that returns data by using the COUNT aggregate function
  3. Develop more specific queries that use the MIN and MAX aggregate functions
  4. Explore queries that perform calculations by using the SUM and AVG aggregate functions

Note: Once you begin a challenge you will not be able to pause, save, or return to your progress. Please ensure you have set aside enough time to complete the challenge before you start.

  • ⏱ About 30 minutes