SQL can be used to aggregate data.Here are some common SQL commands:

COUNT() - used to count the number of rows that match a specified condition

SUM() - used to calculate the sum of a numeric column

AVG() - used to calculate the average value of a numeric column

MAX() - used to find the maximum value of a column.

MIN() - used to find the minimum value of a column

GROUP BY - used to group rows based on a specific column or set of columns.

HAVING - used to filter the results of a GROUP BY query based on a condition.