15.10 - JOURNAL - Teradata Database

Teradata Database SQL Data Definition Language Syntax and Examples

Product
Teradata Database
Release Number
15.10
Published
December 2015
Language
English (United States)
Last Update
2018-06-05
dita:mapPath
SQL_DDL_15_10.ditamap
dita:ditavalPath
ft:empty

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

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

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.