T-SQL Aggregation Functions: Explained & Demonstrated
Learn all about T-SQL aggregate functions like SUM, AVG, MIN, MAX, and COUNT in this expert guide. Master these functions to level up your T-SQL skills! Additionally, we will look at the often overlooked COUNT(DISTINCT) to remove duplicates from the counts.
📘 Topics Covered:
How to use the SUM function in T-SQL
Calculating average values with AVG
Finding minimum and maximum values with MIN and MAX
Counting rows in a table with COUNT
Counting unique values in a column using COUNT(DISTINCT)
🔗Links:
SQL Cheat Sheet: https://www.dondata.ai/sqlcheatsheet
Github: https://github.com/Don-Data/SQL-Cheat...
Full Playlist based in T-SQL Cheat Sheet: • Simple T-SQL Queries for Beginners: SELECT...
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🚀 Next Up:
Stay tuned for our next video where I'll explore how to use these aggregate functions with the GROUP BY clause for more advanced data analysis!
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