16.20 - OVER - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
16.20
Release Date
March 2019
Content Type
Programming Reference
Publication ID
B035-1145-162K
Language
English (United States)

Specifies how values are grouped, ordered, and considered while computing the LAG or LEAD function.

Values are grouped by the optional PARTITION BY clause and the optional RESET WHEN clause. Values are sorted according to the ORDER BY clause in a given partition of rows.