16.20 - Examples - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Functions, Expressions, and Predicates

prodname
Teradata Database
Teradata Vantage NewSQL Engine
vrm_release
16.20
category
Programming Reference
featnum
B035-1145-162K

Example: Querying for the Largest Integer Value

The following query returns the result 13.

   SELECT GREATEST(13, 6);

Example: GREATEST with DECIMAL Input

In the following query, if the input arguments have data types of DECIMAL(4,2) and DECIMAL(5,4), the return data type is DECIMAL(6,4) and the result value is 13.1200.

   SELECT GREATEST(13.12, 6.1234); 

Example: GREATEST with Character Input

The following query returns the result 'apples'.

   SELECT GREATEST('apples', 'alpha');

Example: Comparing Milliseconds in a TIMESTAMP

SELECT GREATEST('2003-08-17 12:15:24.756' (TIMESTAMP(6)), '2003-08-17 12:15:24.456' (TIMESTAMP(6)));

Result:

greatest('2003-08-17 12:15:24.756','2003-08-17 12:15:24.456')
-------------------------------------------------------------
                                   2003-08-17 12:15:24.756000