If you’ve come across the word “SQL” and were not sure about it, you’re in the right place. This guide explains SQL in simple language. No prior technical knowledge is needed.
What is a Database?
Every time you order food through an app like Swiggy or Zomato, a lot happens behind the scenes. Your name, address, phone number, order history, and information related to your payments all need to be stored somewhere safe and organized. That somewhere is a database.
A database is a structured way to store information, organized into tables with rows and columns, similar to how you’d arrange data in Excel.
Here’s what a simple customer table in a food delivery app might look like:
