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aggregate function

   Also found in: Wikipedia 0.01 sec.
aggregate function
A calculation that is made on several records or cells of data. SUM, AVG, MAX, MIN and COUNT are examples of aggregate functions that are used in spreadsheets and database programs.
aggregate function [¦ag·rə·gət ′fəŋk·shən]
(computer science)
A command in a database management program that performs an arithmetic operation on the values in a specified column or field in all the records in the database, such as computing their sum or average or counting the number of records that satisfy particular criteria.


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Some aggregate functions require the concatenation of all readings to be returned to the host node.
He covers the theories behind structured data mining, multi-relational data, multi-relational patterns, multi-relational rule recovery, multi-relational decision tree induction, aggregate functions and pre-positionalization, aggregate functions and rule discovery, MRDM primitives, MRDM in action as a blueprint and project and then as a way to locate transformation rules, and the validity of the MRMD approach.
Of Occurrences 0 Audio/Visual 2 Books 2 Null values will effect the results from an aggregate function The Total No.
 
 
 
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