17.10 - Usage Notes - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - Data Types and Literals

Advanced SQL Engine
Teradata Database
Release Number
Release Date
July 2021
Content Type
Programming Reference
Publication ID
English (United States)

The source expression is trimmed of leading and trailing pad characters and then handled as if it were a string literal in the declaration of a TIMESTAMP string literal.

Character-to-TIMESTAMP conversion is supported for CHAR and VARCHAR types only. You cannot convert a character data type of CLOB or GRAPHIC to TIMESTAMP.

If the contents of the string can be converted to a valid TIMESTAMP value, then the conversion is performed; otherwise an error is returned.

You can use a FORMAT phrase to specify an explicit format for the TIMESTAMP target data type. A conversion that does not specify a FORMAT phrase uses the default format for the TIMESTAMP data type.

IF the character string is converted to … THEN the default format …
TIMESTAMP does not use the time zone formatting character and does not display a time zone.
TIMESTAMP WITH TIME ZONE uses the time zone formatting character to display the time zone.