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What is DBMS?

By Priya PedamkarPriya Pedamkar

Home » Data Science » Data Science Tutorials » Database Management Tutorial » What is DBMS?

What-is-DBMS

What is DBMS?

To define DBMS simply, “Database Management System is software which allows the users to CREATE, UPDATE, DELETE and RETRIEVE the data or the records stored”. It not only allows users to manipulate data but to create databases as per their requirements. All users may or may not know how to play with the data directly from and/or into the database, but DBMS software provides the users with an interface, which helps them to access and modify the data more easily and efficiently. DBMS also provides some special features like Data Security and Data Protection, which a regular data storage facility or an old data storage system cannot provide. Today there are many Database Management Systems available in the market.

The term DBMS or Database Management System refers to a Software package that helps in communicating with the database by supporting in operations like creating, updating, deleting, fetching, viewing, manipulating & administering the Database system and its contents, which usually comes with preset tools, functions, operations that can be used for defining the data, retrieving the data, managing the access permissions for the database, manipulation of the data & the tables in the database, maintenance of the contents of the database, by making use of common query languages such as SQL, T-SQL, etc.

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There are four main types of Database organizations:

  • Relational Database
  • Flat Database
  • Object-Oriented
  • Hierarchical Database

In the early days, data used to be stored in a traditional database or in a file structure format, but the databases then used to be heavy and hence slow. Slow data transmission and data usage used to be major hindrances in development and used to slow down the whole working structure. To solve this problem, a need for an efficient solution was craved, ‘Database Management System’;. DBMS is software that manages databases.

List of Database Management Systems

  • MYSQL
  • Oracle
  • MS-Access
  • SQLite
  • Maria DB
  • PostgreSQL

So, one can wonder why to use DBMS, while so many options are available and will it be suitable for their specific uses.

Characteristics of Database Management Systems

Below are some useful characteristics of DBMS, which are as follows:

Access

1. Access

DBMS provides multiple users to access the same data across the network. So, even though the data is stored at a single location, multiple people across the globe can access the same shared resource and utilize it and manipulate the data.

data sharing in DBMS2. Data Sharing

Earlier, data transfer and data sharing was a herculean task, but with DBMS, data sharing is made easier. Software’s are integrated with data sharing access feature. So, it can be shared easily over a network and that too securely.

Data security in DBMS3. Data Security

With data transmission over a network, the question of data security arises, but with DBMS data sharing and security, data sharing is done in an encrypted format. Data encryption allows users to send and receive the data more efficiently and without any risk of data theft.

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data search

4. Data Search

A common database provided can help in searching and then, in-a-way utilizing it in a more efficient manner. Data searches often take up a lot of time, but integrated and single location situated data, optimizes the search.

restricted access5. Restricted Access

Though data is accessed and shared very easily, not all the data can be accessed by everyone. Roles are defined in DBMS. Restricted access provides more level of security to the data, as people with certain access levels are cleared to access data. Else only data can be viewed but not modified.

Data indepedence

6. Data Independence

Data changes do not hamper any system or don’t modify the application.

usage

7. Usage

DBMS definition can be defined according to the usage of the application, so less memory and less time is needed for the application to start and for use. Hence, all types of businesses can use DBMS.

cost8. Cost

The cost of DBMS applications is more as compared with other applications/software, but in the long run, it is more cost-friendly, as the maintenance costs are low or negligible. As there are so many characteristics of DBMS, there are many advantages associated with it which is why one should use it, viz :

  • Secure data
  • Access restrictions
  • Simple access to the data
  • Data independence
  • Data duplicity
  • Reduced long term costs
  • Reduced development and maintenance time
  • Data integration with cloud servers
  • Data backup
  • Multi-user usability

Yes, as the saying goes, every coin has two coins; disadvantages are also linked with it. Costs are generally very high, and low-budget companies might not be able to afford it.

All of these important characteristics are useful for all the users, but these users are classified as per the DBMS usage, they are:

  1. End users
  2. Programmers
  3. Database Administrators

End Users are the people like us who have no knowledge or little knowledge of how the system works. They are the users of the system who are unaware of what goes around at the back-end of the software/system. Access restrictions are applicable to these people, only sharing and data manipulation accesses are generally given to the end-users. Programmers are the people who play with the coding behind all that the system does or is supposed to do. Database Administrators are the people having supreme rights over the data and the database. They are the ones who provide everyone with access and can block anyone out.

Scope

People out who are looking to get into the IT industry or want to specialize in a database should have knowledge of DBMS else; there’s a bleak chance of survival. With this ever-increasing data, the need to have DBA’s and database knowledgeable people will increase. DBMS surely is the thing that is going to rule the world, as data is the key to all things. Yes, there are going to be changed in how and where the data is to be stored, but DBMS will remain the same. Not only in just the IT industry but DBMS is being used by a variety of people. Sectors like; Banking, Manufacturing, Online Bookings (E-Ticketing) are using it. We all have been using the current trending applications, Whatsapp, Instagram, Snapchat on a daily basis, but do we know what goes behind all the interfaces, it’s DBMS!

To state clearly here, DBMS is here to stay, and with ever-evolving technologies, one needs to keep himself abreast with the help of it. There’s No Other Way!

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This has been a guide to What is DBMS. Here we discussed the Definition, working, skills, scope, and advantages of DBMS. You can also go through our other suggested articles to learn more –

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