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Free Vantage Certified Data Engineering — Data Engineering Exam Questions and Answers
Last updated: April 1, 2025
Examtopics Vantage Certified Data Engineering — Data Engineering Prepaway Real Exam Questions and dumps free download
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Vantage Certified Data Engineering — Data Engineering
#Question
What does the "DISTINCT" keyword do in SQL?
A.
Removes all duplicates
B.
Summarizes data
C.
Keeps all original data
D.
Enforces unique column values
Correct Answer:
A
The DISTINCT keyword eliminates duplicate records from the results of a query.
#Question
When is it appropriate to use a right outer join?
A.
When needing unmatched records from the second table
B.
When needing unmatched records from the first table
C.
When counting columns
D.
When needing all records from both tables
Correct Answer:
A
A RIGHT OUTER JOIN retrieves all records from the second table including matched records from the first table, ideal when complete data from the second is needed.
#Question
What role does data masking play in data governance?
A.
Format conversion
B.
Data cleansing
C.
Change tracking
D.
Encrypting sensitive information
Correct Answer:
D
Data masking is employed to protect sensitive information by obscuring it while maintaining its usability for testing and analysis.
#Question
In Teradata, what is the use of the "JOIN" keyword?
A.
To create new tables
B.
To remove duplicates
C.
To combine data from multiple tables
D.
To define user permissions
Correct Answer:
C
The JOIN keyword is used to combine rows from two or more tables based on a related column between them.
#Question
Which SQL command would you use to insert new rows into a table?
A.
UPDATE
B.
NEW ENTRY
C.
INSERT INTO
D.
ADD ROW
Correct Answer:
C
The INSERT INTO command is used for adding new rows of data into an existing database table.
#Question
What is the importance of data archiving?
A.
It enhances performance
B.
It reduces storage costs
C.
It prevents data corruption
D.
It removes outdated data
Correct Answer:
D
Data archiving helps in systematically removing outdated data, freeing up space while ensuring important historical data is preserved.
#Question
What are "metadata" in the context of data management?
A.
Data backup files
B.
Physical data
C.
Information about data characteristics
D.
Temporary data
Correct Answer:
C
Metadata refers to data about data, providing context and information on the structure, characteristics, and usage of the actual data.
Vantage Certified Data Engineering — Data Engineering
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FAQ
Q1: What are Teradata Certification Exams? A: Teradata Certification Exams validate your expertise in using and managing Teradata’s data warehousing and analytics solutions. These certifications demonstrate your proficiency in deploying, configuring, and optimizing Teradata technologies to support large-scale data analysis and business intelligence.
Q2: Why should I pursue Teradata Certification? A: Teradata Certification enhances your professional credibility, showcasing your skills and knowledge in data warehousing and analytics. This can lead to better job opportunities, higher salaries, and career advancement in data management, business intelligence, and IT management roles.
Q3: What are the benefits of Teradata Certification? A: Benefits include recognition as a certified Teradata professional, improved job performance, access to exclusive resources, continuing education opportunities, and staying current with the latest Teradata technologies and best practices.
Q4: Who should take Teradata Certification Exams? A: Data analysts, data engineers, database administrators, IT professionals, and anyone involved in managing and analyzing large-scale data using Teradata solutions should consider these certifications to validate their expertise and advance their careers.
Q5: What types of Teradata Certification Exams are available? A: Teradata offers various certification paths, including:
- Teradata Certified Associate (TCA): For foundational knowledge and skills in Teradata.
- Teradata Certified Professional (TCP): For advanced skills in Teradata.
- Teradata Certified Technical Specialist (TCTS): For specialized skills in areas like database management, development, and architecture.
- Teradata Certified Database Administrator (TCDBA): For advanced skills in database administration.
- Teradata Certified Solution Developer (TCSD): For expertise in developing solutions using Teradata technologies.
- Teradata Certified Master (TCM): For comprehensive expertise in all areas of Teradata technology.
Each certification path is tailored to different roles and expertise levels within the Teradata ecosystem.
Q6: How do I prepare for Teradata Certification Exams? A: Preparation can include official Teradata training courses, study guides, practice exams, online tutorials, and hands-on experience with Teradata products and solutions.
Q7: Where can I take Teradata Certification Exams? A: Teradata Certification Exams can be taken online with remote proctoring or at authorized Pearson VUE testing centers worldwide, providing flexibility to fit your schedule and location.
Q8: How do Teradata Certifications impact my career? A: Teradata Certifications significantly boost your career by demonstrating your expertise to employers, making you a more competitive candidate for advanced roles and promotions in data management, business intelligence, and IT management.
Q9: Are there any prerequisites for Teradata Certification Exams? A: Some exams may have prerequisites, such as foundational knowledge or prior experience with Teradata products. Check the specific requirements for each certification path on the Teradata certification website.
Q10: How often do I need to recertify for Teradata Certifications? A: Teradata Certifications typically require recertification every three years to ensure that certified professionals stay updated with the latest technologies and industry practices.
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