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Advance DBMS MCQ Question with Answer

Advance DBMS MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 57
Which of the following are the properties of entities?

Groups
Table
Attributes
Switchboards
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Question No : 58
Event condition action model is related to

Views
Cursors
Triggers
None of these.
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Question No : 59
Which of the following is true statement ?

SQL permits attribute names to be repeated in the same relation.
a SQL query automatically eliminates duplicates.
a SQL query will not work if there are no indexes on the relations
None of these
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Question No : 60
Which of the following is not an Aggregate function?

Min
Max
Select
Avg
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Question No : 61
The attribute that can be divided into other attributes is called

Simple Attribute
Composite Attribute
Multi-valued Attribute
Derived Attribute
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Question No : 62
In an Entity-Relationship Diagram Ellipses represents

Attributes
Weak entity set
Relationship sets
Multi-valued attributes
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Question No : 63
In an Entity-Relationship Diagram Diamonds represents

Attributes
Multi-valued attributes
Weak entity set
Relationship sets
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