Database Developer Question:
Tell me what are aggregate functions in SQL?
Answer:
SQL aggregate functions return a single value, calculated from values in a column. Some of the aggregate functions in SQL are as follows
☛ AVG() – This function returns the average value
☛ COUNT() – This function returns the number of rows
☛ MAX() – This function returns the largest value
☛ MIN() – This function returns the smallest value
☛ ROUND() – This function rounds a numeric field to the number of decimals specified
☛ SUM() – This function returns the sum
☛ AVG() – This function returns the average value
☛ COUNT() – This function returns the number of rows
☛ MAX() – This function returns the largest value
☛ MIN() – This function returns the smallest value
☛ ROUND() – This function rounds a numeric field to the number of decimals specified
☛ SUM() – This function returns the sum
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