SQL Aggregate Functions

• SQL MAX and MIN function

  The SQL MAX() and MIN() functions allow you to display maximum and minimum values in a set.

• SQL COUNT Function

  The SQL COUNT() function used to count number of record of each database table.

• SQL AVG Function

  The SQL function AVG() calculates the arithmetic average of the series of numbers of its argument

• SQL SUM Function

  The SQL SUM() function uses to sum the values

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