**Introduction to SQL - Course Overview**

Unlock the power of databases with our Introduction to SQL course. This beginner-friendly

course is designed to help you understand and work with relational databases, equipping you

with the skills to retrieve, manipulate, and manage data effectively. You'll explore core SQL

concepts like querying databases, creating tables, and handling complex data operations.

Whether you're an aspiring data analyst, developer, or anyone looking to enhance their data

skills, this course will set you up with a solid foundation in SQL.

What You Will Learn:

- Introduction to relational databases and SQL

- Writing basic SQL queries to retrieve data

- Using SQL functions for data manipulation

- Joins, unions, and combining data from multiple tables

- Inserting, updating, and deleting records

- Understanding primary keys, foreign keys, and indexing

- Query optimisation techniques

Who Should T ake This Course:

- Beginners who want to learn how to manage databases

- Aspiring data analysts, data scientists, and software developers

- Professionals looking to enhance their SQL skills for business intelligence and data analysis

- Anyone interested in relational databases and data-driven decision-making

Course Curriculum:

1. Introduction to Databases and SQL

- What is a database?

- Overview of relational databases

- Introduction to SQL

2. Basic SQL Queries

- Selecting data with `SELECT`

- Filtering results with `WHERE`

- Sorting data with `ORDER BY`

3. Functions and Expressions

- Aggregating data with `COUNT`, `SUM`, `AVG`

- Using `GROUP BY` and `HAVING` clauses

- String and date functions 

4. Working with Multiple T ables

- Understanding relationships between tables

- Using`JOIN` to combine tables

-`INNER JOIN`, `LEFT JOIN`, `RIGHT JOIN`, and `FULL OUTER JOIN`

5. Modifying Database Records

- Inserting data with `INSERT INTO`

- Updating records with `UPDATE`

- Deleting records with `DELETE`

6. Advanced SQL T echniques

- Using subqueries and nested queries

- Unions and intersections

- Indexing for performance

7. SQL Best Practices

- Writing clean and optimized queries

- Common mistakes to avoid

- Database security basics

8. Hands-on Project

- Creating and managing a database from scratch

- Writing complex queries for real-world scenarios

Why Should I T ake This Course?

SQL is an essential skill in today's data-driven world. This course is designed to give you a

strong foundation in database management, allowing you to work confidently with data. Whether

pursuing a career in data or simply wanting to enhance your skill set, mastering SQL will open

doors to numerous opportunities in fields like business analysis, data science, and software

development.

Enjoy your learning!