SQL query to get top 10 of a new column generated by SUM
Вопрос
I have a query that looks like so:
SELECT Name, SUM(Price * Quantity) AS Total
FROM Sales
WHERE Date = " + ddItems.SelectedItem + "
GROUP BY Name
How can I show the top 10 totals?
Решение
In MySQL the number of rows can be limited with the LIMIT clause, so you can add this to your query to get the top 10:
ORDER BY Total DESC
LIMIT 10
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