16.20 - Usage Notes - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ Data Dictionary

Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Published
March 2019
Language
English (United States)
Last Update
2019-05-03
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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.

For more information about the possible values for the TimeDimension column, see "TimeDimension Column."

Corresponding Tables

The corresponding tables for DBC.ShowColChecksV are:
  • DBC.DBase
  • DBC.TVFields
  • DBC.TVM
The corresponding tables for DBC.ShowColChecksV[X] are:
  • DBC.DBase
  • DBC.Owners
  • DBC.RoleGrants
  • DBC.Roles
  • DBC.TVFields
  • DBC.TVM

Possible Values for TTCheckType

Value Description
A ANSIQUALIFIER
The TTCheckType column returns the value A when the qualifier is ANSIQUALIFIER for column-level CHECK constraints.
NULL No transaction-time dimension
C CURRENT TRANSACTIONTIME

Possible Values for VTCheckType

Value Description
A ANSIQUALIFIER.
The VTCheckType column returns the value A when the qualifier is ANSIQUALIFIER for column-level CHECK constraints.
NULL No valid-time dimension
C CURRENT VALIDTIME
S SEQUENCED VALIDTIME
N NONSEQUENCED VALIDTIME