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Database Management System Practice Test 26

# Domain Relational Calculus MCQ Questions PDF - 26

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## Database Management System: Domain Relational Calculus MCQ Quiz

MCQ: In the relational calculus, the variables are bounded with the help of

A) non-identifiers
B) non-quantifiers
C) quantifiers
D) identifiers

MCQ: In the SQL environment, the collection of schemas is classified as

A) value set
B) catalog
C) initiator
D) integration

MCQ: In the data file, the first record of any of the block is called

A) anchor record
B) dense record
C) non dense record
D) none of above

MCQ: The weak entities and their identifying relationship in the ER diagrams are represented by

A) oval shape with double line
B) rectangle shape with double line
C) square shape with double line
D) diamond shape with double line

MCQ: The memory which loses contents because of power cut is classified as

A) volatile memory
B) non volatile memory
C) random access memory
D) tertiary memory