17.00 - 17.05 - Example - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Date and Time Functions and Expressions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
17.05
Release Date
June 2020
Content Type
Programming Reference
Publication ID
B035-1211-170K
Language
English (United States)

Assume the following query is executed on the employee table where period1 and period2 are PERIOD(DATE) columns:

SELECT * FROM employee WHERE period2 OVERLAPS period1; 
Ename period1 period2
Adams ('2005-02-03', '2006-02-03') ('2005-02-03', '2006-02-03')
Mary ('2005-04-02', '2006-01-03') ('2005-02-03', '2006-02-03')
Jones ('2004-01-02', '2004-03-05') ('2004-03-05', '2004-10-07')
Randy ('2004-01-02', '2004-03-05') ('2004-03-07', '2004-10-07')
Simon ? ('2005-02-03', '2005-07-27')

The result is:

Ename period1 period2
Adams ('2005-02-03', '2006-02-03') ('2005-02-03', '2006-02-03')
Mary ('2005-04-02', '2006-01-03') ('2005-02-03', '2006-02-03')