17.10 - Example: Querying the Number of Weeks from the Month Beginning - 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 0 because January 5, 1901, is in week 0 of January in the Teradata calendar:

SELECT TD_SYSFNLIB.WEEKNUMBER_OF_MONTH (CURRENT_DATE);

The following query returns 1 because January 5, 1901, is in week 1 of January in the ISO calendar:

SELECT TD_SYSFNLIB.WEEKNUMBER_OF_MONTH (DATE ‘1901-01-05’, ‘ISO’);