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Quiz on What is Database System Worksheet 346Quiz Book Download
What is Database System Quiz
MCQ: Different users can have access to same data, possibly even at same time, is known as
- Shared-time access
- Current access
- Real-time access
- Concurrent access
D
Tuple Relational Calculus Quiz
MCQ: A query expression in tuple relational calculus is done as
- {p| P(t)}
- {p| t(p)}
- {t| P(t)}
- {p| t(t)}
C
Database Languages Quiz
MCQ: Database system before reading or modifying actual data, consults the
- Physical level
- Model
- Data dictionary
- View level
C
Functions and Procedures Quiz
MCQ: External language procedures need to deal with null values in
- In parameters
- Out parameters
- Exit parameters
- Both A and B
D
Modification of Database Quiz
MCQ: Final result of delete would depend on order in which tuples are
- Stored
- Retrieved
- Processed
- Tested
C
