Teradata Fundamentals 12 Assessment Test

The Teradata Fundamentals 12 Assessment Test evaluates a candidate's understanding of foundational concepts and practices related to Teradata version 12. This version of Teradata encompasses significant enhancements and features for data warehousing and analytics. The assessment typically covers various areas including architecture, data modeling, SQL, performance optimization, and more.

A Teradata Fundamentals 12 Assessment Test evaluates candidates for:

1. Teradata Architecture

• System Architecture:
  • Understanding Teradata’s parallel processing architecture including the roles of AMPs (Access Module Processors), PEs (Parsing Engines), and BYNET.
  • Concepts of Teradata’s shared-nothing architecture and how it supports scalability and performance.
• Components:
  • Familiarity with core Teradata components such as Teradata Database, Teradata Viewpoint, and utilities like Teradata Parallel Transporter (TPT).
  • Understanding Teradata’s architecture for distributed data storage and retrieval.

2. Database Design and Data Modeling

• Data Modeling:
  • Designing relational data models with normalization and denormalization techniques.
  • Creating star and snowflake schemas to support data warehousing and business intelligence needs.
• Schema Design:
  • Implementing table structures, indexes, and views.
  • Utilizing primary indexes, secondary indexes, and join indexes for optimizing query performance.

3. SQL and Query Optimization

• SQL Proficiency:
  • Writing and optimizing SQL queries, including SELECT, INSERT, UPDATE, DELETE, and JOIN operations.
  • Utilizing Teradata-specific SQL features such as Multi-Table Inserts (MTI) and MERGE statements.
• Query Optimization:
  • Analyzing and tuning query performance using Teradata’s Explain and Visual Explain tools.
  • Understanding and applying optimization techniques like statistics collection, index usage, and query restructuring.

4. Performance Tuning and Management

• Performance Monitoring:
  • Using Teradata Viewpoint and other monitoring tools to track system performance and diagnose issues.
  • Identifying and resolving performance bottlenecks through performance tuning techniques.
• Tuning Strategies:
  • Implementing best practices for system and query performance optimization, including data distribution and workload management.

5. Data Management and ETL Processes

• ETL Processes:
  • Designing and managing ETL (Extract, Transform, Load) processes using Teradata tools like FastLoad, MultiLoad, and TPT.
  • Understanding the use of Teradata’s data management utilities for efficient data integration.
• Data Integration:
  • Integrating data from various sources and ensuring data quality and consistency during the ETL process.

6. Backup and Recovery

• Backup Procedures:
  • Implementing and managing backup and recovery strategies using Teradata ARC (Archive/Recovery Utility).
  • Performing full and incremental backups and understanding Teradata’s backup architecture.
• Recovery Techniques:
  • Restoring databases from backups and managing recovery processes for data integrity and consistency.

7. Security and Access Control

• User Management:
  • Creating and managing user accounts, roles, and permissions.
  • Implementing security policies and managing access controls to safeguard data.
• Security Best Practices:
  • Applying best practices for database security, including authentication, authorization, and auditing.

8. High Availability and Scalability

• High Availability:
  • Understanding and implementing high availability solutions such as Teradata’s fault tolerance and failover mechanisms.
  • Configuring disaster recovery solutions to ensure system resilience.
• Scalability:
  • Designing scalable Teradata solutions to accommodate growing data volumes and increasing user loads.

9. Advanced Teradata Features

• Advanced Features:
  • Utilizing Teradata’s advanced features such as Teradata Data Mover, Teradata QueryGrid, and in-database analytics capabilities.
  • Understanding Teradata’s new functionalities and enhancements introduced in version 12.

10. Best Practices and Documentation

• Best Practices:
  • Following best practices for database design, performance optimization, security, and maintenance.
  • Regularly updating system configurations and documentation to reflect changes and improvements.
• Documentation:
  • Creating and maintaining comprehensive documentation for database architecture, processes, and best practices.

11. Collaboration and Communication

• Project Management:
  • Managing Teradata projects, including coordinating with stakeholders and project teams.
• Effective Communication:
  • Communicating technical concepts and solutions clearly to both technical and non-technical audiences.

Overall, the Teradata Fundamentals 12 Assessment Test evaluates a candidate’s ability to effectively use and manage Teradata version 12 for data warehousing and analytics. It ensures that candidates have the necessary skills to design, implement, and optimize Teradata solutions while following best practices for performance, security, and scalability.