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Articles tagged with #sql
Welcome back to Day 7 of the SQL tutorial series! 👋 Today, let’s explore the 5 main types of SQL commands — this will help you organize your learning and know whyyou’re writing a specific SQL statement. 📌 The 5 Types of SQL Commands CategoryPur...
What Are Data Types? Each column must be assigned a data type, such as: Data TypeDescriptionUsage Example in a Table CHARstring(0-255), can store characters of fixed length. Eg: Alice, all 50 is reserved here. Extra memory is wasted after stor...
Welcome back to Day 5 of the SQL tutorial series! CREATE DATABASE – Start Fresh Syntax: CREATE DATABASE database_name; -- Example: CREATE DATABASE college; This creates a brand-new database named college. After creating it: You usually switch to it ...
Welcome to Day 4 of my SQL Tutorial Series! 👋 So far, we’ve learned what a database is, types of databases, and the role of a DBMS. Now, it’s time to talk about SQL itself, the operations it enables, and how data is organized. Let’s break it dow...
Hey everyone! 👋 Welcome to Day 3 of the SQL tutorial series. On Day 1, we learned what SQL is. On Day 2, we discussed the difference between a Database and a DBMS. Today, let’s explore the different types of databases you’ll encounter as you wor...
Welcome back to Day 2 of my SQL tutorial series! 👋 Yesterday, we explored what SQL is and why it matters. Today, let’s go a step deeper and answer some fundamental questions: 👉 What exactly is a database? 👉 What is a DBMS? 👉 Is the DBMS really a ...
