Data

Introduction to SQL Imagine your room filled with video games, books, and snacks. Finding that one game you want to play? Total chaos! Now, think of SQL as your super-organized friend who knows exactly where everything is. SQL stands for Structured Query Language — a special way to communicate with databases, which are like digital storage rooms. What is Data? Data is any piece of information you can think of — like your favorite song’s title, a photo of your pet, or your gaming stats....

Imagine this: You have a gigantic snack box filled with all kinds of snacks — chips, cookies, chocolates, and more. But finding exactly what you want is tough, especially with so many options mixed up together! SQL (Structured Query Language) is like a personal assistant for organizing and finding things in your snack box. Just like you would ask your friend to grab a specific snack for you, you can ask SQL to find, add, change, or remove data in a database....

Imagine you run a smoothie shop, and each customer can customize their smoothie with different add-ons, like protein powder, extra fruit, and chia seeds. You want a quick way to calculate the total sale price of each smoothie based on its base price and the cost of each add-on. Instead of calculating the total price manually every time, we’ll create a user-defined function to do it for us! Example: Defining the Function Let’s say you have a SmoothieSales table, and you want to calculate each smoothie’s total price by adding the base price and each add-on....