Normal form requires that your data

Assignment Help Basic Computer Science
Reference no: EM132244989

1 If you can place your relations into ___________ you will avoid most problems. This is the form we strive for in most database designs.

Boyce-Codd

1NF

3NF

2NF

2 This normal form requires that your data be places into two-dimensional tables and that there be no repeating groups.

3NF

4NF

1NF

2NF

3 This normal form requires that all non-key attributes are functionally dependent on the entire primary key.

3NF

Boyce-Codd

1NF

2NF

4 This normal form requires that there are no transitive dependencies.

1NF

5NF

2NF

3N

5 When creating a new entity (table) to adhere to the functional/transitive dependency rules of 3NF, if your dataset does not contain an attribute that can act as the primary key you, the DBA, can create a ______________.

skeleton key

composite key

chained key

surrogate key

6 Which column in every table automatically has a index created for it by the DMBS

primary key

foreign key

unique column

master key

7 This method of data organization in a database is when you split your tables into multiple smaller tables so that queries don't have so many rows through which to iterate.

splitting

clustering

discriminating

partitioning

8 Which of Codd's rules state that in order to access data one only needs to know the table, column, and primary key?

8

2

1

4

9 Codd's Rule #4 requires that DMBSs store structural data in the database so that DBAs can read information on how the tables were constructed. In MySQL, one such command that allows you to read said data is _______________.

delete

describe

project

select

10 If your dataset has a field with a value, such as "Joe,John,Larry", this is an example of a ___________ that needs to be corrected.

broken group

repeating group

comma group

super group

Reference no: EM132244989

Questions Cloud

Displays a table of the centigrade temperatures : Design a program that displays a table of the centigrade temperatures 0 through 20 and their Fahrenheit equivalents.
Create an interface design screen for given application : Create an interface design screen for 1 of the 4 following application category types: A music service / player app such as Spotify, Apple Music or Pandora.
How does the organization motivate its employees : Identify an organization of your choice. This could be your current employer. It could even be a hypothetical organization or that of one of your peers.
Focusing on essentials within organization : Core competency idea is helpful for managers in focusing on essentials within an organization.
Normal form requires that your data : This normal form requires that your data be places into two-dimensional tables and that there be no repeating groups.
Identify major logistics and supply chain management issues : Identify major logistics and supply chain management issues associated with setting up a wholly owned subsidiary in your country.
Characterize the ideal sampling frame : Characterize the ideal sampling frame. How often is an “ideal” sampling frame available?
How has the processing of data changed over time : How has the processing of data changed over time? For what purpose is data generally processed today?
Research current news for a common attack : Research current news for a common attack. for the example you have provided, describe the attack

Reviews

Write a Review

Basic Computer Science Questions & Answers

  Identifies the cost of computer

identifies the cost of computer components to configure a computer system (including all peripheral devices where needed) for use in one of the following four situations:

  Input devices

Compare how the gestures data is generated and represented for interpretation in each of the following input devices. In your comparison, consider the data formats (radio waves, electrical signal, sound, etc.), device drivers, operating systems suppo..

  Cores on computer systems

Assignment : Cores on Computer Systems:  Differentiate between multiprocessor systems and many-core systems in terms of power efficiency, cost benefit analysis, instructions processing efficiency, and packaging form factors.

  Prepare an annual budget in an excel spreadsheet

Prepare working solutions in Excel that will manage the annual budget

  Write a research paper in relation to a software design

Research paper in relation to a Software Design related topic

  Describe the forest, domain, ou, and trust configuration

Describe the forest, domain, OU, and trust configuration for Bluesky. Include a chart or diagram of the current configuration. Currently Bluesky has a single domain and default OU structure.

  Construct a truth table for the boolean expression

Construct a truth table for the Boolean expressions ABC + A'B'C' ABC + AB'C' + A'B'C' A(BC' + B'C)

  Evaluate the cost of materials

Evaluate the cost of materials

  The marie simulator

Depending on how comfortable you are with using the MARIE simulator after reading

  What is the main advantage of using master pages

What is the main advantage of using master pages. Explain the purpose and advantage of using styles.

  Describe the three fundamental models of distributed systems

Explain the two approaches to packet delivery by the network layer in Distributed Systems. Describe the three fundamental models of Distributed Systems

  Distinguish between caching and buffering

Distinguish between caching and buffering The failure model defines the ways in which failure may occur in order to provide an understanding of the effects of failure. Give one type of failure with a brief description of the failure

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd