17.05 - Large Objects and UPDATE - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Manipulation Language

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
Published
January 2021
Language
English (United States)
Last Update
2021-01-22
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The behavior of truncated LOB updates differs in ANSI and Teradata session modes. The following table explains the differences in truncation behavior.

In this session mode … The following behavior occurs when non-pad bytes are truncated on insertion …
ANSI an exception condition is raised.

The UPDATE fails.

Teradata no exception condition is raised.

The UPDATE succeeds: the truncated LOB is stored.