SQL Aggregate Functions

SQL Aggregate Functions

SQL aggregate functions return a single value, calculated from values in a column.
Useful aggregate functions:

AVG() - Returns the average value
COUNT() - Returns the number of rows
FIRST() - Returns the first value
LAST() - Returns the last value
MAX() - Returns the largest value
MIN() - Returns the smallest value
SUM() - Returns the sum

Read more: SQL Functions

MAX-Function aggregate-functions SUM-Function FIRST-Function MIN-Function LAST-Function AVG-Function COUNT-Function

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