Assessment

Assessment

University

50 Qs

quiz-placeholder

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Assessment

Assessment

Assessment

Quiz

Computers

University

Hard

Created by

Selvi Palaniappan

Used 6+ times

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

_________ generally occurs whenever more than one copy of the exact same data exists in several different places.

Data Repository

Data Inconsistency

Data Mining

Data Redundancy

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

_________ used for identifying the subset of an entity set which share the distinguishing characteristics.

Aggregation

Generalization

Specialization

All of the above

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What do you mean by one to many relationship between Teacher and Class table?

One class may have many teachers

One teacher can have many classes

Many classes may have many teachers

Many teachers may have many classes

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is a database model?

Network Database Model

Relational Database Model

Object Oriented Database Model

All the above

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

__________ helps us in removing all the redundant data.

Aggregation

Normalization

Optimization

Generalization

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Triggers that contain DML and find other triggers for data modification are called _______.

Nested Triggers

DML Triggers

DDL Triggers

Logon Triggers

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A binary search tree whose left sub tree and right subtree differ in height by at most 1 unit is called _______

AVL tree

Red-black tree

Lemma tree

None of the above

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