16.20 - PARTITION BY - Teradata Vantage NewSQL Engine

Teradata Vantageā„¢ SQL Functions, Expressions, and Predicates

prodname
Teradata Database
Teradata Vantage NewSQL Engine
vrm_release
16.20
created_date
March 2019
category
Programming Reference
featnum
B035-1145-162K

In its column_reference, or comma-separated list of column references, the group, or groups, over which the function operates.

PARTITION BY is optional. If there are no PARTITION BY or RESET WHEN clauses, then the entire result set, delivered by the FROM clause, constitutes a single group, or partition.

PARTITION BY clause is also called the window partition clause.