Using ROUND()
Aggregate functions work great with numerical values; however, these results can sometimes get unwieldy when dealing with long decimal values. Luckily, SQL provides you with the ROUND() function to tame these long decimals.
If asked to give the average budget of your films, ten decimal places is not necessary. Instead, you can round to two decimal places to create results that make more sense for currency.
Now you try!
This exercise is part of the course
Intermediate SQL
Exercise instructions
- Calculate the average
facebook_likesto one decimal place and assign to the alias,avg_facebook_likes.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
-- Round the average number of facebook_likes to one decimal place
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