iCademy :: Courses

What you'll learn

Write advanced SQL queries to retrieve, filter, and sort data from relational databases.
Perform complex data analysis using Joins, Subqueries, and Aggregate Functions.
Design and manage database schemas, including creating tables and defining relationships.
Optimize query performance and handle real-world data challenges like cleaning and formatting.

Course Content

5 sections • 13 lectures • 2min total length

Lesson 1: What is a Relational Database? (Intro to RDBMS)

00:16
Lesson 2: Setting up your Environment (Installing SQL Server

00:14
Lesson 3: Your First Query: The SELECT Statement

00:11
Lesson 4: Filtering Data with WHERE and Logic Operators

00:14

Lesson 1: Using Aggregate Functions (SUM, AVG, COUNT, MIN/MA

00:13
Lesson 2: Organizing Results with GROUP BY

00:10
Lesson 3: Filtering Groups with HAVING vs WHERE

00:11

Lesson 1: Understanding Primary and Foreign Keys

00:13
Lesson 2: Inner Joins vs. Outer Joins (Left, Right, Full)

00:16
Lesson 3: Self Joins and Union Operators

00:12

Lesson 1: Creating Tables and Defining Data Types

00:13
Lesson 2: Inserting, Updating, and Deleting Data (CRUD)

00:13
Lesson 3: Understanding Normalization (1NF, 2NF, 3NF)

00:12

Requirements

o prior programming experience required: This course is designed for absolute beginners. Basic computer literacy: Comfort with installing software and navigating file folders. Tools: A laptop (Windows, Mac, or Linux). We will use free, open-source tools like PostgreSQL or MySQL. Mindset: A curiosity for problem-solving and an interest in how data works behind the scenes.

Industrial Training/ Market Trend

Universal Demand: SQL consistently ranks as the #1 most requested skill in data-related job postings (Indeed/LinkedIn).
Data-Driven Decision Making: Companies are moving away from "gut feelings" toward data-backed strategies, increasing the need for SQL-fluent employees.
Big Data Integration: Modern cloud platforms (AWS Redshift, Google BigQuery, Snowflake) all use SQL as their primary interface.
Automation Trend: As AI and Automation grow, the ability to structure and clean data via SQL is a prerequisite for training machine learning models.

Description

Data is the new oil, and SQL is the engine that extracts it. This course takes you from a complete beginner to a confident data professional. You will learn how to communicate with relational databases, write efficient queries, and manipulate large datasets. Whether you are aiming for a career in Data Science, Web Development, or Business Intelligence, mastering SQL is the essential first step to unlocking the power of data.