How can I aggregate data in SQL?
You can use SQL aggregate functions like COUNT, SUM, AVG, MIN, and MAX to aggregate data. What specific aggregation do you need?
I want to calculate the total sales from my sales table.
You can use the SUM function. For example: SELECT SUM(sales_amount) FROM sales;
This will give you the total sales.
What if I want to group the sales by month?
You can use the GROUP BY clause. For example: SELECT MONTH(sale_date), SUM(sales_amount) FROM sales GROUP BY MONTH(sale_date);
This will give you total sales for each month.
Can I also filter the results for a specific year?
Yes, you can add a WHERE clause. For example: SELECT MONTH(sale_date), SUM(sales_amount) FROM sales WHERE YEAR(sale_date) = 2023 GROUP BY MONTH(sale_date);
This filters the results for the year 2023.
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