Database Management System

Database Management System or DBMS in short refers to the technology of storing and retrieving user data with most efficiency along with appropriate security measures. This course by Academy Europe explains the basics of DBMS such as its architecture, data models, data schemas, data independence, E-R model, relation model, relational database design, and storage and file structure and much more.

Why to Learn DBMS?

Traditionally, data was organized in file formats. DBMS was a new concept then, and all the research was done to make it overcome the deficiencies in traditional style of data management. A modern DBMS has the following characteristics −

  • Real-world entity − A modern DBMS is more realistic and uses real-world entities to design its architecture. It uses the behavior and attributes too. For example, a school database may use students as an entity and their age as an attribute.
  • Relation-based tables − DBMS allows entities and relations among them to form tables. A user can understand the architecture of a database just by looking at the table names.
  • Isolation of data and application − A database system is entirely different than its data. A database is an active entity, whereas data is said to be passive, on which the database works and organizes. DBMS also stores metadata, which is data about data, to ease its own process.
  • Less redundancy − DBMS follows the rules of normalization, which splits a relation when any of its attributes is having redundancy in values. Normalization is a mathematically rich and scientific process that reduces data redundancy.
  • Consistency − Consistency is a state where every relation in a database remains consistent. There exist methods and techniques, which can detect attempt of leaving database in inconsistent state. A DBMS can provide greater consistency as compared to earlier forms of data storing applications like file-processing systems.
  • Query Language − DBMS is equipped with query language, which makes it more efficient to retrieve and manipulate data. A user can apply as many and as different filtering options as required to retrieve a set of data. Traditionally it was not possible where file-processing system was used.

Applications of DBMS

Database is a collection of related data and data is a collection of facts and figures that can be processed to produce information.

Mostly data represents recordable facts. Data aids in producing information, which is based on facts. For example, if we have data about marks obtained by all students, we can then conclude about toppers and average marks.

database management system stores data in such a way that it becomes easier to retrieve, manipulate, and produce information. Following are the important characteristics and applications of DBMS.

  • ACID Properties − DBMS follows the concepts of Atomicity, Consistency, Isolation, and Durability (normally shortened as ACID). These concepts are applied on transactions, which manipulate data in a database. ACID properties help the database stay healthy in multi-transactional environments and in case of failure.
  • Multiuser and Concurrent Access − DBMS supports multi-user environment and allows them to access and manipulate data in parallel. Though there are restrictions on transactions when users attempt to handle the same data item, but users are always unaware of them.
  • Multiple views − DBMS offers multiple views for different users. A user who is in the Sales department will have a different view of database than a person working in the Production department. This feature enables the users to have a concentrate view of the database according to their requirements.
  • Security − Features like multiple views offer security to some extent where users are unable to access data of other users and departments. DBMS offers methods to impose constraints while entering data into the database and retrieving the same at a later stage. DBMS offers many different levels of security features, which enables multiple users to have different views with different features. For example, a user in the Sales department cannot see the data that belongs to the Purchase department. Additionally, it can also be managed how much data of the Sales department should be displayed to the user. Since a DBMS is not saved on the disk as traditional file systems, it is very hard for miscreants to break the code.

Free Certification

Academy Europe presents high-quality formal diplomas, certificates and e-certificates which are formal proof and recognition of accredited online courses. It shows all student’s abilities to learn and achieve high results and is very useful to promote personal career including with CVs, job applications and self improvements.

How can you get your certificate at Academy Europe?

  • You must click “complete” link at the end of every lesson of your course after you finish them.
  • When you finish all lessons of course, the “finish course” link is going to be active at the end of last lesson.
  • When you click the “finish course” link, you will finish your course on Academy Europe officially. Then, “certificate” page of you completed course will be automatically active.
  • You can see and download your certificate online after you click on your “certificate” link.

Samples: Horizantal Diploma – Horizantal Certificate – Vertical E-Certificate


Before you start proceeding with this course on Academy Europe, we are assuming that you have a good aptitude and can think logically. It is recommended that you have a good understanding of basic computer concepts such as primary memory, secondary memory, and data structures and algorithms.You should want to try something different.

Ideal candidates for the course would typically possess:

– Discipline and attentiveness

– Ability to conduct research

– Ability to perform tasks with speed, efficiency, and accuracy

– Analytical judgment

– Patience to interpret technical/scientific data

– A willingness to learn, roll up your sleeves and work toward your dream!

– A computer, tablet or smartphone and an internet connection

– Basic computer skills


This DBMS tutorial will especially help computer science graduates in understanding the basic-to-advanced concepts related to Database Management Systems.

This course by Academy Europe aims at imparting quality education and training to students.

Academy Europe is dedicated to its students, their specific learning requirements, and their overall learning success.

This course is directed toward a student-centered, independent study, asynchronous learning approach.

After completing this course on Academy Europe, students will get self improvement  and promotion in their careers.

This course is based on at least two learning skills which are provided  to the users through audio & visuals, videos, verbal presentations and articles, all of which are asynchronized with distance education approach.

  • Database management system 0/5

  • Entity Relationship Model 0/3

  • Relational Model 0/5

  • Relational Database Design 0/2

  • Storage and File Structure 0/2

  • Indexing and Hashing 0/2

  • Transaction And Concurrency 0/3

  • Backup and Recovery 0/2

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Ramesh Dharmaraj is an artificial intelligence instructor and course content presenter at Academy Europe. He is an expert in instructional design and teaching. He supplements his knowledge in E-learning and Educational Technology by using AI and TTS elements.

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