A DBMS acts as an interface between users and the database, allowing them to store, retrieve, update, and delete data using structured queries. It provides mechanisms for managing concurrent access, ensuring data consistency, and enforcing security constraints. Examples of DBMS include MySQL, PostgreSQL, Oracle, and Microsoft SQL Server.

A Database Management System (DBMS) is a software system that enables users to create, manage, and manipulate databases efficiently while ensuring security, consistency, and integrity of data.

One of the key functions of a DBMS is to handle transactions effectively. Transactions ensure that a series of operations are executed as a single unit, maintaining the ACID (Atomicity, Consistency, Isolation, Durability) properties. This is critical for applications like banking systems, where an incomplete transaction (e.g., withdrawing money but failing to update the balance) can lead to severe issues.

A DBMS also provides backup and recovery features, allowing users to restore data in case of hardware failures or accidental deletions. It is widely used in applications such as enterprise resource planning (ERP) systems, customer relationship management (CRM) software, and e-commerce platforms.

CREATE TABLE students (
    student_id INT PRIMARY KEY,
    name VARCHAR(100),
    age INT,
    course VARCHAR(50)
);

INSERT INTO students (student_id, name, age, course) VALUES (1, 'John Doe', 22, 'Computer Science');
SELECT * FROM students;