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FAQ's On Teradata DBA Course

1. What are the functions performed by Teradata DBA?
1. User Management
2. Space Allocation
3. Access of Database Objects
4. Security Control
5. System Maintenance
6. System Performance
7. Resource Monitoring
8. Data Archives, Restores and Recovery
2. Is it possible to use ALTER for compressing a column already present in table?
No
3. What do you understand by residual condition?
When the number of rows to be retrieved into the spool is limited by applying a filter, it is known as residual condition.
4. How many join strategies are available in Teradata?
Merge, Nested, Hash, Product and Exclusion
5. What are the different considerations for a skew factor?
Number of AMPs, size of row in a table, frequent access of table, number of records in table and frequency of data being refreshed are some of the considerations for a skew factor.
6. Is there an acceptable range of skew factor in the table?
No
7. Name the different types of spaces available in Teradata?
- Perm space
- Spool space
- Temp space
8. List the different journals in Teradata?
- Transient journal
- Permanent journal
- Down AMP recovery journal
9. Can we have multiple primary indexes on a table?
No
10. How many secondary indexes can be created on a table?
32
11. What are the benefits of fallback?
Fallback protects the data from both hardware and software failure as well as automatically recovers it with lowest possible recovery time.

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Teradata DBA Classroom Training and Certification Classes

Key Highlights

Looking for Teradata DBA Classroom Training & Certification

Write a Review

FAQ's On Teradata DBA Course

1. What are the functions performed by Teradata DBA?

2. Is it possible to use ALTER for compressing a column already present in table?

3. What do you understand by residual condition?

4. How many join strategies are available in Teradata?

5. What are the different considerations for a skew factor?

6. Is there an acceptable range of skew factor in the table?

7. Name the different types of spaces available in Teradata?

8. List the different journals in Teradata?

9. Can we have multiple primary indexes on a table?

10. How many secondary indexes can be created on a table?

11. What are the benefits of fallback?

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