What are some examples of SQL aggregate functions?
SQL aggregate functions perform calculations on a set of values and return a single value. Common examples include SUM, AVG, COUNT, MAX, and MIN.
Can you give me an example of how to use the SUM function?
Sure! If you have a table called 'Sales' with a column 'Amount', you can use: SELECT SUM(Amount) FROM Sales; to get the total sales amount.
What about the AVG function? How is it used?
The AVG function calculates the average of a numeric column. For example: SELECT AVG(Amount) FROM Sales; will give you the average sales amount.
Are there any other aggregate functions I should know about?
Yes, besides SUM and AVG, you should also know about COUNT (to count rows), MAX (to find the maximum value), and MIN (to find the minimum value).
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