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