Teradata Interview Questions and Answers

Last updated on Mar 21, 2022
  • Share
Teradata Interview Questions

Most Frequently Asked Teradata Interview Questions

Here in this article, we will be listing frequently asked Teradata Interview Questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies.

Q1. What is teradata and why it is used?

Teradata is a vast parallel open relation data management and processing system primarily used to develop large scale warehousing applications. As this is an open system, it can operate on Linux, Unix and Windows server platform. It also provides support to multiple data warehouse operations at the same time to different clients.

Q2. What are the advantages of Teradata?

Here are a few benefits of using Teradata for your business:

  • Superbly linearly scalable
  • Extensive parallel processing
  • Shared nothing architecture
  • Improved performance of tables>
  • Substantially improved compression
Q3. Explain Teradata architecture?

Teradata is based on MPP or Massively Parallel Processing architecture. Again, the MPP architecture of Teradata has three core components:

  • Parsing Engine (PE) or Optimizer




  • Access Module Processor (AMPs)
  • Messaging Layer (BYNETs)

          Point-to-Point Communication

          Multi-cast Communication

          Broadcast Communication

Q4. How is the Teradata different from Oracle?
S.no Teradata Oracle
1. Database Management System primarily used for data analytics. Widely used Relational database management systems
2. Server operating system: Linux. Server operating system: AIX, HP-UX, Linux, OS X, Solaris, windows.
3. APIs and another access method: .NET Client API, HTTP REST, JMS Adapter, JDBC, ODBC and OLE DB. APIs and another access method: ODP.NET, JDBC, ODBC and Oracle Call Interface (OCI)
4. Horizontal partitioning method used. Sharding partitioning method used.
Q5. What do you mean by Teradata SQL Assistant?

Teradata SQL assistance is an advanced web-based query tool which developers used to store, retrieve and manipulate data from Teradata Database or any other database with an ODBC interface Its Java Edition can be used to attach to Teradata Database or any other database that provides the JDBC interface.

Q6. How to run a query in Teradata?
Q7. Explain Teradata vs. redshift?
S.no Teradata Redshift
1. DBMS primarily used for data analytics A large scale data warehouse service to be used with business intelligence tools.
2. Not based cloud Cloud-based only
3. Linux server operating system Hosted server operating system
4. Offers XML support. No XML support.
5. Offers secondary indexes. I have restricted secondary indexes.
6. Has triggers No Triggers
Q8. What do you mean by Teradata IntelliCloud?

Teradata IntelliCloud is an as-a-service offering for analytics at scale. It enables businesses to focus on analytic workloads and data warehousing while relying on Teradata for the setup, maintenance, management and support of the infrastructure and software.

Q9. What do you mean by Teradata Intelliflex?

Teradata Intelliflex is a platform specially designed for scalable enterprise analytics. It uses an advanced self-service software controls and MPP architecture for scaling of processing data and power capacity independently.

Q10. What do you mean by TTU in Teradata?

Teradata Tools and Utilities or TTU is a collection of database tools which offer an excellent set of supporting functions to Teradata database.

Reviewed and verified by Best Interview Question
Best Interview Question

With our 10+ experience in PHP, MySQL, React, Python & more our technical consulting firm has received the privilege of working with top projects, 100 and still counting. Our team of 25+ is skilled in...