WeekNumber_Of_Year | SQL Date/Time Functions & Expressions | Teradata Vantage - 17.10 - WeekNumber_Of_Year - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Date and Time Functions and Expressions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1211-171K
Language
English (United States)

Returns the number of weeks from the beginning of the year to the specified date.

The WeekNumber_Of_Year function provides improved performance compared to using the Sys_Calendar.Calendar system view to obtain similar results.

ANSI Compliance

This statement is a Teradata extension to the ANSI SQL:2011 standard.

Result Type

The result is an INTEGER value from 0 through 53, where 1 is the first week of the year and 53 is the last week of the year. The value 0 means that there is a partial week in the year, Week0.