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Department of Computer Application
Database Management System
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Question 1 : In an E-R diagram diamonds represent the
Option-1 :Entity
Option-2 :Relationship
Option-3 :attributes
Option-4 :links
Question 2 : In relational database model a table is called
Option-1 :relationship
Option-2 :relation
Option-3 :tuple
Option-4 :field
Question 3 : In relational database model a row in the table is called.
Option-1 :Entity
Option-2 :Tuple
Option-3 :field
Option-4 :relation
Question 4 : Relational algebra is a non-procedural query language
Option-1 :True
Option-2 :False
Question 5 : Relational calculus is a non-proceural query language
Option-1 :True
Option-2 :False
Question 6 : The operation that select tuples that satisfies a given predicate is
Option-1 :select
Option-2 :project
Option-3 :rename
Option-4 :join
Question 7 : The operation that allows to return a relation with selected columns is
Option-1 :select
Option-2 :project
Option-3 :rename
Option-4 :join
Question 8 : The operation that allows to combine several relation is
Option-1 :select
Option-2 :project
Option-3 :cartesian product
Option-4 :rename
Question 9 : The operation which allows an expression to return a relation under a different name is
Option-1 :select
Option-2 :project
Option-3 :rename
Option-4 :join
Question 10 : In the expression {t | V stand for
Option-1 :shest escist
Option-2 :elemetn of
Option-3 :for all
Option-4 :impliess
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