17.00 - Usage Notes - Teradata Database

Teradata Vantage™ - Data Dictionary

prodname
Advanced SQL Engine
Teradata Database
vrm_release
17.00
created_date
June 2020
category
Administration
Programming Reference
featnum
B035-1092-170K

Some of the column values show information related to a Teradata temporal table or an ANSI temporal table. For more information about these tables, see Teradata Vantage™ ANSI Temporal Table Support , B035-1186 and Teradata Vantage™ Temporal Table Support , B035-1182 .

Corresponding Tables

The X view references these additional tables:
  • DBC.AccessRights
  • DBC.DBase
  • DBC.Owners
  • DBC.RoleGrants
  • DBC.Roles
  • DBC.TriggersTbl
  • DBC.TVM

Possible Values for Event

Value Description
U Update
I Insert
D Delete

Possible Values for VTEventType

Value Description
A ANSIQUALIFIER
ANSI temporal tables require that the session temporal qualifier for systems using Teradata temporal tables be explicitly set to ANSIQUALIFIER.
C CURRENT VALIDTIME
N NONSEQUENCED VALIDTIME
NULL No valid-time dimension
S SEQUENCED VALIDTIME

Possible Values for TTEventType

Value Description
A ANSIQUALIFIER.
ANSI temporal tables require that the session temporal qualifier for systems using Teradata temporal tables be explicitly set to ANSIQUALIFIER.
C CURRENT TRANSACTIONTIME
N NONSEQUENCED TRANSACTIONTIME
NULL No transaction-time dimension
S SEQUENCED TRANSACTIONTIME
T Nontemporal to indicate that transaction-time is ignored even though the table supports a transaction-time dimension