Mercurial > hg > MonetDB-extend
diff README.rst @ 43:1cfe9d8a07e8
Implemented an aggregate tutorial.
| author | Sjoerd Mullender <sjoerd@acm.org> |
|---|---|
| date | Thu, 10 Jun 2021 16:22:08 +0200 (2021-06-10) |
| parents | b67deab098f9 |
| children | 8122094c79b1 |
line wrap: on
line diff
--- a/README.rst Thu Jun 10 16:21:46 2021 +0200 +++ b/README.rst Thu Jun 10 16:22:08 2021 +0200 @@ -76,3 +76,10 @@ This query filters the table t and selects all rows where the value of column ``c`` is equal to ``0``. + +gmean +..... + +The tutorial in the ``gmean`` subdirectory contains an example of an +AGGREGATE FUNCTION. These functions are used to calculate aggregates +over columns of values. Aggregates can be simple or grouped.