Domain Relational Calculus Quizzes Online MCQs PDF Download eBook
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Domain Relational Calculus Questions and Answers PDF Download eBook
MCQ: In the relational calculus, the variables are bounded with the help of
- non-identifiers
- non-quantifiers
- quantifiers
- identifiers
C
MCQ: In the SQL environment, the collection of schemas is classified as
- value set
- catalog
- initiator
- integration
B
MCQ: In the data file, the first record of any of the block is called
- anchor record
- dense record
- non dense record
- none of above
A
MCQ: The weak entities and their identifying relationship in the ER diagrams are represented by
- oval shape with double line
- rectangle shape with double line
- square shape with double line
- diamond shape with double line
D
MCQ: The memory which loses contents because of power cut is classified as
- volatile memory
- non volatile memory
- random access memory
- tertiary memory
A