SQL

Course Overview

This SQL course is designed to help you understand and work confidently with relational databases. You will learn how to store, retrieve, update, and analyze data using Structured Query Language (SQL). The course focuses on practical, real-world examples to help you write efficient queries and manage databases effectively. By the end of the course, you will be able to interact with databases professionally and make data-driven decisions.

Who This Course Is For

• Beginners with little or no experience in SQL or databases

• Students and graduates interested in data analysis or software development

• Office professionals who work with data and want to query databases confidently

• Business owners and entrepreneurs managing structured data

• Anyone who wants practical, real-world SQL skills

What You Will Learn

• Understand databases, tables, rows, and columns

• Write SQL queries using SELECT, INSERT, UPDATE, and DELETE

• Filter, sort, and group data using WHERE, ORDER BY, and GROUP BY

• Join multiple tables using INNER JOIN, LEFT JOIN, and RIGHT JOIN

• Aggregate data with COUNT, SUM, AVG, MIN, and MAX

• Create and manage database schemas, tables, and relationships

• Use constraints, indexes, and keys to enforce data integrity

• Perform advanced queries with subqueries and nested SELECT statements

• Optimize queries for better performance

• Manage real-world tasks such as reporting, data analysis, and database maintenance