Returns the number of days from the beginning of the month through the specified date.
the name of the database where the function is located.
an expression that results in a DATE, TIMESTAMP, or TIMESTAMP WITH TIME ZONE value.
This is a Teradata extension to the ANSI SQL:2011 standard.
td_day_of_month is an overloaded scalar function. It is defined with the following parameter data types:
If the argument passed to the function does not match one of these declared data types, an error is returned indicating that the function does not exist.
For more information on overloaded functions, see “Function Name Overloading” in SQL External Routine Programming.
The result is an INTEGER value from 1 through 31.
The td_day_of_month function provides improved performance compared to using the Sys_Calendar.Calendar system view to obtain similar results.
For more information about the CALENDAR system view, see Data Dictionary.
If the current date is May 27, 2010, the following queries return the value 27 as the result since May 27, 2010 is the 27th day from the beginning of the month of May.
SELECT td_day_of_month(DATE '2010-05-27');