Consoli - Php

Consoli - Php

Professional Development

21 Qs

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Consoli - Php

Consoli - Php

Assessment

Quiz

Computers

Professional Development

Practice Problem

Hard

Created by

A D

Used 3+ times

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. The minimal set of super key is called

Primary key

Secondary key

Candidate key

Foreign key

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. A relation that has no partial dependencies is in which normal form

First

Second

Third

BCNF

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A functional dependency between two or more non-key attributes is called

Transitive dependency

Partial transitive dependency

Functional dependency

Partial functional dependency

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. A logical description of some portion of database that is required by a user to perform task is called as

System View

User View

Logical View

Data View

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. ______________ is a classical approach to database design?

Left – Right approach

Right – Left approach

Top – Down approach

Bottom – Up approach

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is/are the levels of implementation of data structure

Abstract level

Application level

Implementation level

All of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A binary search tree whose left subtree 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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