Answer Posted / singh.naveen409@gmail.com
There are some various kinds of aggregate functions, which
we have
like**************
AVG()=Average
COUNT()=Numbers of rows
FIRST()=First value
LAST()=Last Value
MAX()=Maximum value from rows
MIN()=Minimum Value from rows
SUM()=Total
Aggregate function which use to visualize the answer in
single value from tables value.
And Aggregate function use in sql with "HAVING" and where
condition.
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