Relational Databases Practice Test PDF Download eBook p. 312
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Trivia Quiz on Relational Databases PDF Download eBook
MCQ: Most commercial relational database systems employ the language
- C++
- Java
- SQL
- DB2
C
MCQ: The first subquery of the recursive view that is non-recursive is called as the
- Absolute query
- Base query
- Nonrecurring query
- General query
B
MCQ: Magnetic tapes were developed for data storage over the period
- 1940s-1950s
- 1950s-1960s
- 1960s-1965s
- 1960s-1970s
B
MCQ: In a selection statement, the predicate appears as a subscript to
- epsilon
- zeta
- sigma
- delta
C
MCQ: The command that all instructors with salary over $100,000 receive a 3 percent raise, would be written as
- update instructor
set salary=salary * 1.03
where salary > 100000; - update instructor
set salary=salary * 1.03
where salary <>=100000; - update in instructor
set salary=salary * 1.03
where salary >=100000; - update into instructor
set salary=salary * 1.03
where salary >=100000;
A