Goals of the ATM Process | Database Design | Teradata Vantage - 17.10 - Goals of the ATM Process - 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)
  1. Define all domains and constraints.
  2. Identify all applications.
  3. Model application processing activities including their transactions and run frequencies.
  4. Model each transaction using the following information.
    1. Identify tables used.
    2. Identify columns required for value and join access.
    3. Estimate qualifying cardinalities.
  5. Summarize value and join access information across all transactions.
  6. Add data demographics to the Table Access Summary by Columns report.
    • Table cardinalities
    • Column value distributions (histograms)
    • Column change ratings

The following table indicates the activities of this process and the forms required to complete each activity.

 Step                                               Action                 Form Used
1 Define all domains in the system. Domains
2 Define all constraints for the system. Constraints
3 Identify all applications in the system. System
4 Model each identified application. Application
5 Model each identified transaction. Report/Query Analysis
6 Summarize all value and join accesses.
7 Transfer access information. Table
8 Compile or estimate data demographic information.
9 Identify column change ratings.

Note that row sizing calculations are covered in Row Size Calculation.