17.10 - Example: Querying the Number of Weeks from the Beginning of the Business Calendar - 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)

If the current date is January 5, 1901, the following query returns 52 because January 5, 1901, is in week 52 since the start of the Teradata calendar on 1900-01-01:

SELECT TD_SYSFNLIB.WEEKNUMBER_OF_CALENDAR (CURRENT_DATE);

The following query returns 53 because January 5, 1901, is in week 53 since the start of the COMPATIBLE calendar on 1900-01-01:

SELECT TD_SYSFNLIB.WEEKNUMBER_OF_CALENDAR (DATE ‘1901-01-05’, ‘COMPATIBLE’);