aggregate function
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Aggregate function
In
computer science
, an aggregate function is a
function
that computes a single result value from a collection of input values such as a
set
, a
bag
or a
list
.Common aggregate functions include:
Average
()
Count
()
Maximum
()
Minimum
()
Sum
()Aggregate functions are common in numerous
programming languages
such as
Ruby
,
SQL
, and in
relational algebra
.
See more at Wikipedia.org...
This article uses material from
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®
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