How to count, sum, and average rows in SQL: Databases for Developers #6

Want to count how many rows your query returns?

Or the number of orders per customer?

Or find your fastest time to run races of 1k, 5k and 10k?

You can answer all these questions in SQL using group by and aggregate functions. Watch this video to find out how!

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The Magic of SQL with Chris Saxon

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[dpu]

even though i have been working with SQL for more than 10 years...your funny way of presentation made me sit and watch this entire series on basic syntax..
fantastic work sir.enjoyed it..

[LewisCardenas]

Hi Chris, did you mean to say "Copy your group by clause into the select" or "copy your select columns into your group by statement"? Thanks.