LDIFF Function | SQL Date/Time Functions & Expressions | Teradata Vantage - 17.10 - LDIFF - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Date and Time Functions and Expressions

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1211-171K
Language
English (United States)

Returns the portion of the first Period expression that exists before the beginning of the second Period expression when the Period expressions overlap.

When the Period expressions overlap but there is no portion of the first Period expression before the beginning of the second Period expression or the Period expressions do not overlap, the function returns NULL. If either Period expression is NULL, LDIFF returns NULL.