What is Database?

A Database is a collection of Tables. Each Table is identified by name(Employee or Student or Customer)and contains records(rows) with data.

Note: Data means it stores any kind of information such as customer records, product details, financial transactions, or any other relevant data.

Benefits of using databases:

Organization and structure: Keep data organized and easily accessible.

Data integrity: Ensure accuracy and consistency of data.

Data security: Protect sensitive information from unauthorized access.

Efficient data management: Store, retrieve, and manipulate data quickly and efficiently.

Data analysis and insights: Perform complex queries and generate reports to gain valuable insights.

Scalability: Handle increasing amounts of data as needed.

Multiple user access: Allow multiple users to access and work with the data simultaneously.

DBMS:

DBMS provides a structured way to organize, access, and manage the data within the database.

It handles tasks like:

• Creating and maintaining database structures
• Enforcing data integrity and security
• Handling user queries and updates
• Optimizing performance

Common types of databases:

Relational databases:

RDBMS Stores the data in tables with rows and columns, allowing for efficient querying and analysis.

Examples: MySQL, PostgreSQL, Oracle, and Microsoft SQL Server.

NoSQL databases: Offer more flexible data structures, often used for large-scale data storage and web applications.

Examples: MongoDB, Cassandra, and Couchbase.

Cloud databases:

Databases hosted and managed in the cloud, providing scalability and accessibility.

Examples: Amazon RDS, Google Cloud SQL, and Azure SQL Database.