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"Considering the relational database, the functional dependency between two attributes A and B is denoted by", relation schemas design Multiple Choice Questions (MCQ) with choices b ← a, a → b, ab → r, and r ← ab to study online classes courses. Learn functional dependencies and normalization questions and answers with free online certification courses for CS major.
Quiz on Relation Schemas Design PDF Download eBook
MCQ: Considering the relational database, the functional dependency between two attributes A and B is denoted by
- A → B
- B ← A
- AB → R
- R ← AB
A
MCQ: The specification given to database management system regarding the data whether it is string, integers or special characters is classified as
- type of data stored
- type of query asked
- type of structure developed
- sequence of data cycle
A
MCQ: The command in high level programming which completes the release of buffers and perform other cleanup operations remaining is classified as
- read command
- find next command
- close command
- insert command
C
MCQ: The category which considers the union of super class entities is called
- total super class
- partial super class
- disjoint super class
- joined super class
A
MCQ: If the attribute of relation schema R is member of some candidate key then this type of attributes are classified as
- atomic attribute
- candidate attribute
- nonprime attribute
- prime attribute
D