17.10 - JOURNAL - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - SQL Data Definition Language Syntax and Examples

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
Programming Reference
Publication ID
B035-1144-171K
Language
English (United States)

The JOURNAL keyword without NO or DUAL implies single copy journaling.

The JOURNAL keyword without BEFORE implies both types (BEFORE and AFTER) of images.

Journal options are not supported for tables with row sizes greater than 64KB.

BEFORE
A before change image is maintained.
DUAL
Number of before change images to be maintained by default for each data table created in the new database.
If journaling is specified, a DUAL journal is maintained for data tables with FALLBACK protection.
NO
No journaling.