aggregation Directory Reference

Files
	avg.php
	Column average aggregation type.
	base.php
	Base class for column aggregation types.
	count.php
	Column count aggregation type.
	countdistinct.php
	Column count distinct aggregation type.
	groupconcat.php
	Column group concatenation aggregation type.
	groupconcatdistinct.php
	Column group concatenation distinct aggregation type.
	max.php
	Column max aggregation type.
	min.php
	Column min aggregation type.
	percent.php
	Column percent aggregation type.
	sum.php
	Column sum aggregation type.