Usage Notes - Teradata VantageCloud Lake

Lake - Database Reference

Deployment
VantageCloud
Edition
Lake
Product
Teradata VantageCloud Lake
Release Number
Published
February 2025
ft:locale
en-US
ft:lastEdition
2025-11-21
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Column values may show information related to a Teradata temporal table or an ANSI temporal table.

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