GREATEST Function Examples | Teradata Vantage - 17.10 - Examples - Advanced SQL Engine - Teradata Database

Teradata Vantageā„¢ - SQL Functions, Expressions, and Predicates

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1145-171K
Language
English (United States)

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