Chapter 5: Aggregations and Grouping
by Wayne Sheffield
Aggregate functions are used to perform a calculation on one or more values, and the result is a single value. If your query has any columns with nonwindowed aggregate functions, then a GROUP BY clause is required for the query.
KeywordsGroup Function Count Function Aggregate Function Grand Total Expression Parameter
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
© Jason Brimhall, Jonathan Gennick, and Wayne Sheffield 2015