15.00 - Similarities With The Syntax For CREATE TYPE (Structured Form) - Teradata Database

Teradata Database SQL Data Definition Language Detailed Topics

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

Similarities With The Syntax For CREATE TYPE (Structured Form)

The syntax for CREATE TYPE (Distinct Form) is similar to that for the CREATE TYPE (Structured Form) statement.

The major distinguishing characteristics for distinct types are the following:

  • The AS predefined_data_type clause.
  • For CREATE TYPE (Structured Form), the corresponding clause is AS attribute_name list with an optional INSTANTIABLE specification.

  • The mandatory FINAL specification.
  • The inability to create a user‑defined constructor method signature for a distinct type.
  • Structured UDTs allow you to define constructor method signatures.