16.10 - User-Defined Data Types - Teradata Database

Teradata Database Design

Teradata Database
Release Number
Release Date
June 2017
Content Type
User Guide
Publication ID
English (United States)

The required byte alignment and storage size of a UDT depends on how it is defined.

FOR this category of UDT … THE byte alignment and storage size are …
Distinct the same as that of the predefined data type on which it is defined.
Structured different, depending on whether they are defined on the following type of platform:
  • Packed64 format systems
  • Aligned row format systems

See Sizing Structured UDT Columns for information about how to determine the storage size of a given UDT column.