What is a SQL aggregate function example?

Related questions

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5. What is aggregate amount?
6. Does aggregate mean total?
7. What does aggregate level mean?
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Tags

1. #return
2. #select
3. #calculation
4. #perform
5. #value
6. #group
7. #single
8. #values
9. #aggregate
10. #often
11. #allows
12. #functions
13. #function
14. #having
15. #scalar
16. #statement
17. #clauses