Today, let's start with the complete SQL series starting with the basics:

✅ SQL Basics: Part-1 🧠💾

SQL (Structured Query Language) is the standard language used to communicate with databases.
You use it to store, retrieve, update, and delete data in a structured format.

🛠️ Why Learn SQL?
• It’s used in data analytics, development, and business intelligence.
• Works with tools like Power BI, Excel, Python, Tableau, etc.
• Helps in querying and analyzing large datasets efficiently.

📚 Key Concepts:

1️⃣ DBMS (Database Management System)
• A software to manage databases.
• Stores data in files or documents.
• Examples: Microsoft Access, MongoDB (non-relational).
• No strict structure or rules.

2️⃣ RDBMS (Relational Database Management System)
• Stores data in tables with rows and columns.
• Ensures data consistency using relationships.
• Follows ACID properties (Atomicity, Consistency, Isolation, Durability).
• Examples: MySQL, PostgreSQL, Oracle, SQL Server.

🗂️ Simple Table Example (in RDBMS):

Customers Table