td_wednesday | SQL Date/Time Functions & Expressions | Teradata Vantage - 17.00 - 17.05 - td_wednesday - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Date and Time Functions and Expressions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
17.05
Release Date
June 2020
Content Type
Programming Reference
Publication ID
B035-1211-170K
Language
English (United States)

Returns the Wednesday that falls immediately before the DATE or TIMESTAMP specified in expression_1.

Syntax

[TD_SYSFNLIB.] td_wednesday (
  expression_1 [, { calendar_name | NULL } [, expression_2 ] ]
)
TD_SYSFNLIB.
Name of the database where the function is located.
expression_1
An expression that results in a DATE, TIMESTAMP, or TIMESTAMP WITH TIME ZONE value.
If expression_1 is DATE, expression_2 cannot be specified.
calendar_name
A calendar name. The possible values are Teradata, ISO, and COMPATIBLE.
This argument must be a character literal and cannot be a table column or expression. If you do not name a calendar, Teradata uses the calendar for the session.
NULL
The business calendar for the session.
expression_2
A value of TIME, TIME WITH TIME ZONE, or NULL. If NULL is specified, TIME is assumed to be 00:00:00+00:00.