15.00 - Rules and Restrictions for the Number of Changes Made in One ALTER TABLE Request - Teradata Database

Teradata Database SQL Data Definition Language Detailed Topics

prodname
Teradata Database
vrm_release
15.00
category
Programming Reference
featnum
B035-1184-015K

Rules and Restrictions for the Number of Changes Made in One ALTER TABLE Request

The rules for number of changes that can be made within a single ALTER TABLE request are as follows.

  • Only one change can be made per column per ALTER TABLE request.
  • Only one CHECK alteration is permitted per ALTER TABLE request, and you cannot mix CHECK and non-CHECK alterations on the same table for the same ALTER TABLE request.