15.10 - JOURNAL - Teradata Database

Teradata Database SQL Data Definition Language Syntax and Examples

prodname
Teradata Database
vrm_release
15.10
created_date
December 2015
category
Programming Reference
featnum
B035-1144-151K

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.