16.20 - How REPLACE ORDERING Differs From CREATE ORDERING - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Data Definition Language Detailed Topics

Teradata Database
Teradata Vantage NewSQL Engine
Release Number
March 2019
Content Type
Programming Reference
Publication ID
English (United States)

The following rules and behaviors differentiate the REPLACE ORDERING and CREATE ORDERING statements:

  • If you specify REPLACE ORDERING, and the specified ordering exists, the system replaces it with the new definition.
  • If the specified ordering does not exist and the associated UDT does not have a defined ordering, then the system creates the specified ordering.
  • If the REPLACE ORDERING statement specifies an ordering for a UDT with which an existing ordering is associated, the system returns an error to the requestor because you can specify only one ordering per UDT.