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  What is a Database? A database is a collection of related data which represents some aspect of the real world. A database system is designed to be built and populated with data for a certain task. What is DBMS? Database Management System (DBMS) is a software for storing and retrieving users' data while considering appropriate security measures. It consists of a group of programs which manipulate the database. The DBMS accepts the request for data from an application and instructs the operating system to provide the specific data. In large systems, a DBMS helps users and other third-party software to store and retrieve data. DBMS allows users to create their own databases as per their requirement. The term “DBMS” includes the user of the database and other application programs. It provides an interface between the data and the software application. In this tutorial, you will learn more about- Example of a DBMS History of DBMS Characteristics of Database Management Sy...
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  What is Relational Model? Relational Model (RM) represents the database as a collection of relations. A relation is nothing but a table of values. Every row in the table represents a collection of related data values. These rows in the table denote a real-world entity or relationship. The table name and column names are helpful to interpret the meaning of values in each row. The data are represented as a set of relations. In the relational model, data are stored as tables. However, the physical storage of the data is independent of the way the data are logically organized. Some popular Relational Database management systems are: DB2 and Informix Dynamic Server - IBM Oracle and RDB – Oracle SQL Server and Access - Microsoft In this tutorial, you will learn Relational Model Concepts Relational Integrity Constraints Operations in Relational Model Best Practices for creating a Relational Model Advantages of using Relational Model Disadvantages of using Relational Mo...
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  What is Data? In simple words, data can be facts related to any object in consideration. For example, your name, age, height, weight, etc. are some data related to you. A picture, image, file, pdf, etc. can also be considered data. What is Database? A database is a systematic collection of data. They support electronic storage and manipulation of data. Databases make data management easy. Let us discuss a database example: An online telephone directory uses a database to store data of people, phone numbers, and other contact details. Your electricity service provider uses a database to manage billing, client-related issues, handle fault data, etc. Let us also consider Facebook. It needs to store, manipulate, and present data related to members, their friends, member activities, messages, advertisements, and a lot more. We can provide a countless number of examples for the usage of databases. Types of Databases Here are some popular types of databases. Distributed da...
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