How do I use aggregate functions in SQL?
An example of an AI chatbot conversation about using aggregate functions in SQL.
How do I use aggregate functions in SQL?
Aggregate functions in SQL perform a calculation on a set of values and return a single value. Common examples include COUNT, SUM, AVG, MIN, and MAX.
Can you give me an example of using the SUM function?
Sure! If you have a table called 'Sales' with a column 'Amount', you can use: SELECT SUM(Amount) FROM Sales; This will return the total sales amount.
What about the AVG function? How does that work?
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), MIN (to find the minimum value), and MAX (to find the maximum value).
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