17.10 - Example: Querying for Beginning of the Week and the Week Number - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Date and Time Functions and Expressions

Advanced SQL Engine
Teradata Database
Release Number
Release Date
July 2021
Content Type
Programming Reference
Publication ID
English (United States)

This query returns the beginning of the week and the week number for 2009, assuming that no calendar is set for the session. The session uses the default business calendar “Teradata.”

SEL WeekBegin, week_of_year FROM Sys_Calendar.BusinessCalendar WHERE calendar_date = DATE '2009-03-15'; 
Week_begin         week_of_year
-----------        -------------------
09/03/15           11