15.10 - OLD TABLE - 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
OLD_TABLE
Equivalent introductions to a table correlation name for the old values transition table.
OLD TABLE is the form specified by the ANSI SQL-2011 standard.
OLD_TABLE is a Teradata extension retained for backward compatibility.
You can specify OLD_TABLE or OLD TABLE references in both statement triggers and row triggers.
You can specify a normalize Period column for OLD TABLE or OLD_TABLE.
OLD_TABLE and OLD TABLE are valid only for DELETE, MERGE UPDATE, and UPDATE triggering events.
AS old_transition_table_name
Table alias name specified with the OLD TABLE or OLD_TABLE options for referencing the transition table of old values.
The AS keyword preceding old_transition_table_name is optional.