Aggregate function

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In database management an aggregate function is a function where the values of multiple rows are grouped together as input on certain criteria to form a single value of more significant meaning or measurement such as a set, a bag or a list.

Common aggregate functions include:[1]

Aggregate functions are common in numerous programming languages, spreadsheets, and relational algebra.

See also[edit]

References[edit]

  1. ^ Cristian Calude (2001). Multiset processing: mathematical, computer science, and molecular computing points of view. Springer. p. 172. ISBN 3-540-43063-6.