What is Database

Introduction

What is a Database? In the world of data management, databases play a vital role in storing, organizing, and retrieving information. Databases are part of our daily lives, Which is used in various premises and cloud-based application and systems

What is database

What is data 

The data is a piece of information stored in text, numeric, special symbols, etc. with a well-defined format to generate meaningful information.

What is database

The database is the collection of structured and unstructured data organized in a systematic manner.

What is Database Management System(DBMS)

DBMS is a software system that provides running queries, data storage, and data retrieval on data. It is an interface between the user and the database that allows the user to create, modify, and read in the database.

Database Components :

Tables: Table is database objects that contain all the data in a database. The data in a table is logically organized in row-and-column format.

Fields/Columns: The column represents the attributes or characteristics of an entity.

Records/Rows: A row is a collection of associated fields that prepare a complete set of information.

Keys: A Key is a unique identifier that establishes relationships between tables.

Relationships: It defines associations between the tables based on key columns

Database Types :

Relational: Organized in tables with predefined relationships (e.g., MySQL, Oracle, SQL Server).

Non-relational: Stored data in flexible and schema-less formats (e.g., MongoDB, Cassandra).

Data warehouse: This is a centralized repository for large amounts of historical and aggregated data which is structured as well as non-structured.

Distributed database: located across multiple locations to provide scalability and fault tolerance.

Object-oriented database: Stores the data as objects with encapsulated properties and behaviors.

What is database advantages:

organization: Databases provide a framework to categorize, and organize data in structured form.
integrity: provides data consistency, validity, and accuracy through constraint and validation.
security: provides access controls, authentication, and encryption to protect sensitive business and user information.
concurrency: provides access to multiple users to read and manipulate data simultaneously with the help of consistency.
scalability: Allow the storage and management of large volumes of data over on a prim-network or cloud-based network.

What is database Application:

Business application: Inventory, CRM, human resources, etc.
E-commerce: Online shopping, payment gateways, user accounts.
Social media platform: User profiles, posts, comments, connections.
Healthcare systems: medical research, EHR, patient management.
Finance: Banking, transactions, accounting.

For References

what is SQL