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Needed a Video for introduction to database?
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What is a Database?
Database is a systematic collection of data. Databases support storage and manipulation of data. Databases make data management easy. Let's discuss few examples.
An online telephone directory would definitely use database to store data pertaining to people, phone numbers, other contact details, etc.
Your electricity service provider is obviously using a database to manage billing , client related issues, to handle fault data, etc.
Let's also consider the facebook. It needs to store, manipulate and present data related to members, their friends, member activities, messages, advertisements and lot more.
We can provide countless number of examples for usage of databases .
What is a Database Management System (DBMS)?
Database Management System (DBMS) is a collection of programs which enables its users to access database, manipulate data, reporting / representation of data .
It also helps to control access to the database.
Database Management Systems are not a new concept and as such had been first implemented in 1960s.
Charles Bachmen's Integrated Data Store (IDS) is said to be the first DBMS in history.
With time database technologies evolved a lot while usage and expected functionalities of databases have been increased immensely.
Types of DBMS
Let's see how the DBMS family got evolved with the time. Following diagram shows the evolution of DBMS categories.
There are 4 major types of DBMS. Let's look into them in detail.
Hierarchical - this type of DBMS employs the "parent-child" relationship of storing data. This type of DBMS is rarely used nowadays. Its structure is like a tree with nodes representing records and branches representing fields. The windows registry used in Windows XP is an example of a hierarchical database. Configuration settings are stored as tree structures with nodes.
- Network DBMS - this type of DBMS supports many-to many relations. This usually results in complex database structures. RDM Server is an example of a database management system that implements the network model.
- Relational DBMS - this type of DBMS defines database relationships in form of tables, also known as relations. Unlike network DBMS, RDBMS does not support many to many relationships.Relational DBMS usually have pre-defined data types that they can support. This is the most popular DBMS type in the market. Examples of relational database management systems include MySQL, Oracle, and Microsoft SQL Server database.
- Object Oriented Relation DBMS - this type supports storage of new data types. The data to be stored is in form of objects. The objects to be stored in the database have attributes (i.e. gender, ager) and methods that define what to do with the data. PostgreSQL is an example of an object oriented relational DBMS.
FAQs on Database - Class 10
| 1. What is a database? |  |
A database is a structured collection of data that is stored and organized in a way that allows for easy retrieval, management, and manipulation. It is designed to efficiently store and retrieve large amounts of data, making it an essential tool in various industries and applications.
| 2. What are the different types of databases? | |
There are several types of databases, including relational databases, object-oriented databases, hierarchical databases, network databases, and distributed databases. Each type has its own unique structure and is used to store and manage data in different ways, depending on the specific requirements of the system or application.
| 3. What is a relational database management system (RDBMS)? | |
A relational database management system (RDBMS) is a software system that enables the creation, organization, and management of relational databases. It allows users to define the structure of the database, create tables to store data, establish relationships between tables, and perform various operations such as querying, updating, and deleting data.
| 4. What is SQL and how is it used in databases? | |
SQL (Structured Query Language) is a programming language used to communicate with and manipulate databases. It is used to perform various operations on databases, such as creating tables, inserting data into tables, retrieving data based on certain conditions, updating existing data, and deleting data. SQL is widely used in relational databases as it provides a standardized way to interact with the data stored in them.
| 5. What are the advantages of using a database management system? | |
Using a database management system (DBMS) offers several advantages, including data integration and centralization, data consistency and integrity, efficient data retrieval and manipulation, data security and access control, and improved data sharing and collaboration. DBMSs provide a structured and organized approach to managing data, ensuring that it is stored, accessed, and processed in a reliable and efficient manner.
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Document Description: Database - Class 10 for Class 10 2024 is part of Class 10 preparation. The notes and questions for Database - Class 10 have been prepared according to the Class 10 exam syllabus. Information about Database - Class 10 covers topics like What is a Database?, What is a Database Management System (DBMS)?, Types of DBMS and Database - Class 10 Example, for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Database - Class 10.
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