Example: Querying the Number of Weeks from the Beginning of the Business Calendar - Advanced SQL Engine - Teradata Database

SQL Date and Time Functions and Expressions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
17.00
Published
June 2020
Language
English (United States)
Last Update
2021-01-24
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B035-1211
lifecycle
previous
Product Category
Teradata Vantage™

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’);