1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
pantera1 [17]
3 years ago
5

explain the key reasons why entity relationship modeling is important, and determine at least (1) way in which it impacts the ov

erall development of the database.
Computers and Technology
1 answer:
Dimas [21]3 years ago
7 0

1st step in the data base design is data modeling. Data modeling involves conceptual data modeling and physical data modeling. E-R modeling is widely using to tool for conceptual data modeling.

A data model describes the structure of a database. Structure of data means describing the entities involved in the data base and their attributes, relationships among the entities, keys on entities , constraints etc… That is, the E-R model gives the clear picture about the database.

E-R modeling is a communication tool. It helps the data base designer to develop a good data base that meets the end users and application programmers. Especially, E-R modeling gives a pictorial representation of the database. Thus, the database designer can understand the data base description easily.

Therefore, unless the data base is modeled well, database cannot be developed well.

You might be interested in
Image files are grouped into two categories: _____.
EleoNora [17]
It is grouped according to raster and vector format. Raster format are images used in a computer or printed. Vector format stores data and is compressed. 

Examples of common raster formats usually used in a computer are; jpeg, png, bitmap, and gif. Vector formats are; CGM, SVG and 3D vector.
4 0
3 years ago
Please explain why an operating system makes a great attack target.​
BartSMP [9]
The operating system is the fundamental controller of all system resources
Operating system popularity is one major reason why hackers attack
Window is a big target because it powers the vast majority of the world’s desktop computers and laptops.
To steal personal and protected health information
To steal user credit card numbers and other financial data
To harm the system or disrupt business operations of any organization
To gain competitive edge over opponents
To spoil the reputation of an organization

If you want answer to question 19, put a Thanks and comment that you want answer to question 19
8 0
3 years ago
Which of the following examines the organizational resource of information and regulates its definitions, uses, value, and distr
hichkok12 [17]

Answer:C)Information management

Explanation: Information management is the technique through which the organization and handling of the the data/ information takes place.This technique is made for helping the organization and their business for the supporting the function and processes.

The facilities provided by the information management system is  development, management, designing, innovation etc.

Other options are incorrect because they are used for the coding process,technology and governing of the data, hence no management activity is done by them.Thus, the correct option is option(C).

4 0
3 years ago
Which avenue may utilize video streaming, audio narration, print designs and animation?
Shtirlitz [24]

Answer:

Multimedia avenue.

Explanation:

A file type is the standard used to store data such as pictures, texts, videos, and audios. All file types have unique file extension that determine which program to use to open a particular file and to access its data e.g pictures (jpeg, png), texts (txt, docx, rtf), videos (mp4, 3gp, avi), audios (mp3, acc).

Sometimes, computer users make the mistake of opening files with the wrong software application or program, this often leads to an error due to the incompatibility of the software application with the particular file.

Basically, all software applications are designed and developed for use with specific file extensions or formats and as such, when used to open a file it isn't developed for, it result in an error.

A multimedia avenue refers to a channel that is designed and developed to accept, utilize and combine various file formats such as audio, video, text, animation effects, etc. A common example of a multimedia avenue is Microsoft PowerPoint software.

Hence, the multimedia avenue may utilize video streaming, audio narration, print designs and animation.

8 0
3 years ago
As you apply to college when should you apply for financial aid
Nataliya [291]

Answer:

after you are accepted in the college

Explanation:

You should apply for admission to the colleges you are interested in BEFORE filing your FAFSA. Once you are accepted to the colleges you have applied to, you can add those schools to receive financial aid award offers from when you file your FAFSA.

4 0
3 years ago
Other questions:
  • What is the purpose of the “little down arrow” next to many different functions in word
    6·1 answer
  • What is html?
    9·2 answers
  • Select all that apply.
    15·2 answers
  • Name the hardware component that performs each of the following functions (1) performs calculation and/or comparisons (2) holds
    9·1 answer
  • Que son los sistemas de control con retroalimentacion
    10·1 answer
  • You are late in the preparation of the computer graphics for your final report and presentation. You run into a friend who is gr
    13·1 answer
  • When you use an external style sheet with an HTML document, you get all but one of the benefits that follows. Which one is NOT a
    15·1 answer
  • For demultiplexing a UDP socket is identified by:_____.
    15·1 answer
  • What is computer specification
    15·1 answer
  • A 4"x6" photo is digitized using 10,000 pixels. An 11"x7" photo is digitized using 30,000 pixels. Which image will have the bett
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!