DBMS Normalization MCQ. We covered all the DBMS Normalization MCQ in this post for free so that you can practice well for the exam.
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A …….. is used to define overall design of the database
a) Schema
b) application program
c) data definition language
d) code
Option a – Schema
A table on the many side of a one to many or many to many relationship must :
a) Be in Second Normal Form (2NF)
b) Be in Third Normal Form (3NF)
c) Have a single attribute key
d) Have a composite key
Option d – Have a composite key
Functional Dependencies are the types of constraints that are based on ………
a) Key
b) Key revisited
c) Superset key
d) None of these
Option a – Key
According to enhanced-entity relationships, association between super class and subclass is
a) Super class is subset of subclass
b) subclass is subset of super class
c) Subclass is partial joint of super class
d) super class is partial joint of subclass
Option b – subclass is subset of super class
DBMS is a collection of …….. that enables user to create and maintain a database.
a) Keys
b) Translators
c) Program
d) Language Activity
Option c – Program
In an ER model, ……… is described in the database by storing its data.
a) Entity
b) Attribute
c) Relationship
d) Notation
Option a – Entity
A top-to-bottom relationship among the items in a database is established by a
a) Hierarchical schema
b) Network schema
c) Relational Schema
d) All of the above
Option a – Hierarchical schema
……… defines the structure of a relation which consists of a fixed set of attribute-domain pairs.
a) Instance
b) Schema
c) Program
d) Super Key
Option b – Schema
…….. is a full form of SQL.
a) Standard query language
b) Sequential query language
c) Structured query language
d) Server side query language
Option c – Structured query language
The collection of information stored in a database at a particular moment is called as……
a) Schema
b) instance of the database
c) data domain
d) independence
Option b – instance of the database
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