What is an SQL Database?

An SQL database is a relational database that uses Structured Query Language (SQL) to store, manage, and retrieve data. Common SQL databases include:

• MySQL

• PostgreSQL

• SQLite

• Microsoft SQL Server

• Oracle Database

🔹 Common SQL Commands

🛠️ Create Table

CREATE TABLE users (

    id INT PRIMARY KEY,

    name VARCHAR(100),

    email VARCHAR(100) UNIQUE

);

📥 Insert Data 

INSERT INTO users (id, name, email)

VALUES (1, 'Alice', 'alice@example.com');

🔍 Select Data

SELECT * FROM users;