Free MCQsLearn App Download - Extended ER Features Quiz Questions and Answers PDF Download eBook p. 241
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Quiz on Extended ER Features PDF Download eBook
MCQ: The generalization type in which some higher-level entities may not belong to any lower-level entity set, is said to be
- Dependent specialization
- Complete specialization
- Total specialization
- Partial specialization
D
MCQ: The correlation name in the SQL standard, is commonly referred to as a
- Table alias
- Correlation variable
- Tuple variable
- All of the above
D
MCQ: Adding or subtracting an interval to a date or time gives back a/an
- Interval
- Data or time
- Value
- Boolean expression
B
MCQ: For controlling preemption, each transaction can be assigned a unique
- Order
- Identifier
- Locator
- Timestamp
D
MCQ: To grant a privilege and to allow the recipient to pass the privilege on to other users, we append the clause by
- grant
- grant option
- with grant option
- by grant option
C