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SDF Q2 U5

Authored by Rebecca Sims

Computers

12th Grade

Used 4+ times

SDF Q2 U5
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

______________________ is a concept where data is organized to prevent repeated data entry.

Keys

XML

Normalization

Client side

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two forms for normalization?

1NF, 3NF

1NF, 2NF

2NF, NF

1NF, 0NF

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This form ensures that every record is unique and that fields are independent of each other.

Third normal form

First normal form

Fifth normal form

Normal form

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In this form, each field needs to have a single value so that data can be sorted in any way possible.

Third normal form

First normal form

Fifth normal form

Normal form

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In this form, a value change in a non-key column in one table should not necessitate a change in another non-key column elsewhere.

Third normal form

First normal form

Fifth normal form

Normal form

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the goal of an index in relational databases?

to allow sorting

to improve server/client interaction

to find data

to speed up searching for data within a database

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a _________________ index, data is sorted on primary key field.

clustered

non-clustered

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