Group Functions|Oracle SQL

Published: 01 January 1970
on channel: emahar

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Oracle SQL: Group Functions

roup functions are mathematical functions to operate on sets of rows to give one result per set.
The types of group functions (also called aggregate functions)

AVG, that calculates the average of the specified columns in a set of rows,
COUNT, calculating the number of rows in a set.
MAX, calculating the maximum,
MIN, calculating the minimum,
STDDEV, calculating the standard deviation,
SUM, calculating the sum,
VARIANCE, calculating the variance.

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