Relational Operations Trivia Questions and Answers PDF Download eBook p. 347
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Relational Operations Questions and Answers PDF Download eBook
MCQ: The relational algebra defines a set of operations on relations, paralleling the
- Addition operation
- Subtraction operation
- Multiplication operation
- Algebraic operations
D
MCQ: An E-R diagram consists of the major components of type
- 3 types
- 4 types
- 6 types
- 7 types
D
MCQ: The SQL comparison <> some is not identical to the operator
- In
- Not IN
- As
- All of the Above
D
MCQ: The SQL standard specifies a primitive authorization mechanism for the database
- Roles
- Administrators
- Schemas
- Models
C
MCQ: Keeping organizational information in a file-processing system has a number of
- Disadvantages
- Advantages
- Solutions
- Problems
A