17.10 - Table Form: Miscellaneous Column-Level Information - Advanced SQL Engine - Teradata Database

Teradata Vantageā„¢ - Database Design

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Release Date
July 2021
Content Type
User Guide
Publication ID
B035-1094-171K
Language
English (United States)

This topic explains how to fill out all the column-level information not categorized as either access or data demographics data.

Sources for the Required Information

The following table points to the sources for the miscellaneous column-level data requested by the Table form.

Information Source
Column name Column name from your logical data model.
PK/FK/ID Primary and foreign key designations from your logical data model.

Identity column designation identified by this step.

Constraint number Constraints form.
PI/SI Primary and secondary index designations identified by this step.
Note the following things about this information.
  • This from is filled out during the logical design phase and you should not define indexes this soon in the process.
  • If you ignore the previous bullet, be aware that neither indexes nor database constraints can be defined on columns that have any of the following data types.
    • ARRAY/VARRAY
    • BLOB
    • CLOB
    • XML
    • Geospatial
    • Period
    • JSON
  • A table might be a non partitioned NoPI object, and a table or join index might be a column-partitioned object, in which case it would not have a primary index.
Sample data Sample data from your logical data model.