Teradata Conditional Function Support

TDV supports the conditional functions listed in the table below for Teradata.

Teradata Conditional Function	Notes
COALESCE
DECODE	Version 15 and above.
GREATEST	Version 15 and above. From Version 16, the DATE and TIMESTAMP data types are accepted as input and output.
LEAST	Version 15 and above. From Version 16, the DATE and TIMESTAMP data types are accepted as input and output.
NULLIF
NVL
NVL2	Version 15 and above.