15.00 - System-Defined Unique Secondary Indexes - Teradata Database

Teradata Database SQL Data Definition Language Detailed Topics

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

System‑Defined Unique Secondary Indexes

When you define a PRIMARY KEY or UNIQUE constraint, Teradata Database implements that constraint as a unique secondary index.

All system‑defined USIs count against the limit of 32 secondary, hash, and join indexes per user‑defined data base table.