16.20 - JOURNAL - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Data Definition Language Syntax and Examples

Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Published
March 2019
Content Type
Programming Reference
Publication ID
B035-1144-162K
Language
English (United States)
Last Update
2019-05-24

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.