Data Analysis And Design


  • Unit No:
  • Level: Post Graduate/University
  • Pages: 6 / Words 1509
  • Paper Type: Assignment
  • Course Code:
  • Downloads: 12422


Data analysis and design help create a foundation for the purpose of delivering a BI application (Jonathan, 2008). By conducting data analysis, the business need for data and information can be understood. Likewise, by using a design approach, business information needs can be converted into a data structure that is extensible and adaptable. This report will provide a detailed description of concepts that are associated with data models and database technologies.

Task 1

1.1 Critically Comparing Different Data Models and Schemas

A comparison has been drawn between different data models and schemas, which are depicted in the below-given table:

A data model arranges data elements and forms relationships between them. This model is used by the organisation with the aim of managing all its information. It is the blueprint of the data structure, which basically represents the logic of the entire database.

A data model arranges data elements and forms relationships between them. This model is used by the organisation with the aim of managing all its information. It is the blueprint of the data structure, which basically represents the logic of the entire database.
It is the high-level design implementation that helps in making the data that can be presented in schemas (Difference between database models and schemas, 2015). However, in comparison to these data schemas, they provide specifications regarding the field as well as its type that will be presented in the database.
It formulates the overall structure of data, which can be relational, where whole data are arranged in a set of tables. Schemas isolate both users and database object owners. However, with respect to relational models, schemas would be sets of attributes.
The data model is of three types, such as the logical data model, the conceptual data model, the physical data model, etc. Physical and logical database schemas are being regarded as two basic types of data schemas.
In order to formulate a suitable design database, the designer has to cover all the data aspects. Designers face complexity in the process when the design of data moves from a conceptual data model to a physical one (Collins, Buhalis, and Peters, 2003). Data schemas give a thorough description of entities and the relationships that exist between them. By using this, database designers provide help to programmers, thereby raising their understanding of all the aspects.

Need Academic Writing Help?

Seek the Best Academic Writing Help in the UK

Learn More

In order to clarify the difference between different data models, the following table is formulated:

Aspects Conceptual data model, logical data model, physical data model

Aspects Conceptual data model Logical data model Physical data model
Entity name Defined Defined  
Entity relationships Defined Defined  
Attributes   Defined  
Primary Keys   Defined Defined
Foreign Keys   Defined Defined
Table Names     Defined


1.2 Critically Discussing the Benefits and Limitations of Varied Database Technologies

Following are the benefits and limitations of varied database technologies:

Entity relationship model

It is being regarded as a type of database technology. This model is a graphical representation of a system that shows the relationships that exist between people, processes, places, and events that work within the system. This model is used as the foundation of a statistical relational database.


  • It represents relationships between entities straightforwardly.
  • This model is flexible as it easily converts itself into a hierarchical and network data model (Singh, 2011).


  • This model is useful when high-level design is performed.
  • There is no industry standard notation with the aim of carrying out the development of the entity relationship model.

Data flow diagram

It is the graphical representation of the flow of data using an information system. A data flow diagram is the starting stage for creating an overview of the whole system. This database technology is also used for visualising data processing. This diagram provides a description of the information that will be inputted and outputted from and within the system.


  • It assists in describing the boundary for the whole system.
  • It is an easily recognisable approach as it uses straightforward graphical techniques.
  • This technique can be easily understood by both technical and non-technical audiences.


  • This diagram lacks physical consideration (Rosenblatt and Shelly, 2011).
  • It is a very time-consuming approach.

Need Personalised Assistance from Our Experts?

Share Your Requirements via Whatsapp!

Chat Now

1.3 Analysing Varied Approaches to Database Design

Top-down and bottom-up are being regarded as two basic types of approaches that are used with the aim of designing the database. Both approaches work towards a common goal, such as uniting the system by clarifying the relationship that exists between data. The structure of the firm is affected by different types of factors, such as the scope and size of the enterprise.

Data Design

Top-down database design starts with the general approach and gradually moves on to the specific approach. On the other hand, it can also be said that in the given form of designing, the designer will form a general idea about the data that is needed in the system. After that, the designer will move on to more specific details, which basically define how the system will interact (Wasson, 2006). Thus, in the given process, the designer will basically identify varied entity types, and after that, it will give definitions regarding each entity's attributes. It is the most effective way of designing data, as it splits a large team into several subsystems. Furthermore, it uses encapsulation with the aim of encouraging object-oriented programming.

Data Analysis

Besides this, bottom-up is another type of database design approach. This form of database design begins with a specific approach and gradually moves on to a general approach. Here, in the given form of designing a system, the analyst will conduct an inspection in which it inspects all the interfaces that the database possesses. Here, the analyst works backwardly through the system, where it analyses what data should be stored in the database. In addition to this, in the given model, at first the designer will identify the data elements, and then it will group them together in the form of data sets (Collins, Buhalis, and Peters, 2003). In the given type of system, the team can perform the code functioning of the subsystem in a very fast manner. Both of these approaches are popular forms of data design. However, there are some companies that use centralised and decentralised forms in order to design their data in an effective manner.


It can be concluded that, by carrying out the comparison between different data models and schemas, the selection of the best approach will be carried out by the manager of the firm. In addition to this, by selecting a suitable database design, a proper arrangement of the firm's data can be made.

Need to Consult Directly With Our Experts?

Contact Us


  • Difference between database models and schemas. 2015. [online]. Available through: [Accessed on October 8, 2015].
  • Jonathan, F., 2008. The UK's faster payment project: avoiding a bonanza for cybercrime fraudsters. Journal of Financial Crime, 15 (2), pp. 155–164.
  • Rosenblatt, J. H., and Shelly, B. G., 2011. Systems Analysis and Design. Cengage Learning.
  • Singh, K. S., 2011. Database Systems: Concepts, Design, and Applications. Pearson Education India.
  • Wasson, S. C., 2006. System Analysis, Design, and Development: Concepts, Principles, and Practices. John Wiley & Sons.
Download Full Sample
Cite This Work To export references to this Sample, select the desired referencing style below:
Assignment Desk.(2024) Data Analysis And Design Retrieved from:
Copy to Clipboard
Copy to Clipboard
Assignment Desk (2024) Data Analysis And Design[Online]. Retrieved from:
Copy to Clipboard
Assignment Desk Data Analysis And Design. (Assignment Desk, 2024)
Copy to Clipboard
Assignment Desk Data Analysis And Design. [Internet]. Assignment Desk.(2024), Retrieved from:
Copy to Clipboard
Struggling with writing assignments? Take our academic writing services to resolve your problems. We not only provide online assignment help but also various other services like thesis, dissertation, and essay writing services. If you have any doubts about our experts, then we suggest you check our “Samples” before seeking dissertation help from us. Our experts can ease the complexity of your work. All you have to do is ask, “Can you do my assignment?”
Boost Grades & Leave Stress

Share Your Requirements Now for Customized Solutions.

Lowest Price

    Delivered on-time or your money back

    100+ Qualified Writers

    For Best Statistics Assignment Help

    View All Writers
    FREE Tools

    To Make Your Work Original

    • tools Paraphrasing Tool

      Check your work against paraphrasing & get a free Plagiarism report!

      Check Paraphrasing
    • tools Plagiarism Checker

      Check your work against plagiarism & get a free Plagiarism report!

      Check Plagiarism
    • tools Dissertation Outline Generator

      Quick and Simple Tool to Generate Dissertation Outline Instantly

      Dissertation Outline Generator
    • tools Grammar Checker Tool

      Make your content free of errors in just a few clicks for free!

      Grammar Checker
    • tools Essay Typer

      Generate plagiarism-free essays as per your topic’s requirement!

      Essay Typer
    • tools Thesis Statement Generator

      Generate a Compelling Thesis Statement and Impress Your Professor

      Try Thesis Generator Tool

    Professional Academic Help at Pocket-Friendly Prices!

    Captcha Code refresh

        Estimated Price

        USD 6.32 25% OFF
        Total Price USD 6
        182532+Delivered Orders 4500+PhD Writers 4.8/5Client Rating

        AD whatsapp

        Limited Time Offer

        Exclusive Library Membership + FREE Wallet Balance