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Questions and Answers
Which of the following best describes a database?
Which of the following best describes a database?
- A structured representation of meaningful objects and events (correct)
- A collection of unrelated data
- A collection of images and videos
- Data processed to increase knowledge
What is metadata?
What is metadata?
- A collection of unrelated data
- Data that describes the properties and co (correct)
- A structured representation of meaningful objects and events
- Data processed to increase knowledge
What are the advantages of databases over conventional file processing?
What are the advantages of databases over conventional file processing?
- Faster processing speed
- More flexible data retrieval
- Improved data sharing and data integration (correct)
- Lower storage costs
What are the limitations of conventional file processing?
What are the limitations of conventional file processing?
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What is the three-schema architecture for databases?
What is the three-schema architecture for databases?
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Which of the following is a component of the relational model?
Which of the following is a component of the relational model?
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Which of the following best describes a relation in the relational model?
Which of the following best describes a relation in the relational model?
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What is the purpose of the SQL operations in the relational model?
What is the purpose of the SQL operations in the relational model?
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What is the main goal of normalization in database design?
What is the main goal of normalization in database design?
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What are the properties of candidate keys in the relational model?
What are the properties of candidate keys in the relational model?
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