October 23


DWHPro Basics

By DWH Pro Admin

October 23, 2015

Welcome to the Teradata Quiz.

Each time you take the quiz, a different set of questions will be asked. We are adding new questions on a regular base. At the end of the quiz, we will show you the correct answers, your score and the average score of all people.

Enter your name and press "NEXT" to start the quiz

Name Email
1. What are reliable measures in performance tuning?
2. Assume adding a row of size 5 bytes (char(5)) to an empty table (having a primary index)? By how much will the table at least grow (in size)?
3. What are advantages when using MERGE instead of UPDATE?
4. Which of the following statements regarding a Primary Index are true?
5. What are the unique characteristics of a dynamic hash join?
6. Which of the following statements about Stored Procedure Error Handlers are correct?
7. How many presence bytes do you need if you have a table with 9 nullable columns (none is compressed) ?
8. Would you consider to use block level compression (BLC) in order to reduce perm space usage?
9. What is the result of a full table scan occurring on Teradata?
10. You execution plan shows high confidence for a retrieve step. What does this mean?

Be sure to click "Submit Quiz" to see your results
(click only once, the rating process may need a couple of seconds)!

DWH Pro Admin

Teradata and Data Warehouse Specialist with more than 20 years of experience

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