17.10 - Usage Notes - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - Data Types and Literals

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1143-171K
Language
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.