The Complete SQL And MySQL Course – From Beginner To Expert

What you'll learn
understand the basic concepts of databases
get a good grasp of SQL and MySQL queries
understand database management systems (DBMSs) and database languages
understand table manipulation
understand pages
understand views
understand strored procedures
understand the data structures (B trees and B+ trees) behind databases
Requirements
Internet connection
Description
Unlock the power of data with one of the most in-demand and beginner-friendly tools in the tech world: SQL. This course is your comprehensive introduction to SQL and MySQL, guiding you step-by-step through everything you need to confidently manage and query data like a pro.
Whether you're starting a career in tech, aiming to enhance your data analysis skills, or just curious about how databases work — this course is designed for you.
What You'll Learn
Section 1 – Setting Up the Environment
How to install MySQL Server
Getting your system ready for SQL development
Section 2 – Database Theory
What are databases and why do we use them?
Understanding DBMS (Database Management Systems)
Introduction to database languages
How databases work under the hood (B-trees explained)
Procedural vs. non-procedural programming languages
Section 3 – Creating and Manipulating Tables
Using basic data types (integers, floats, strings)
Working with enums and date types
Creating databases and tables
Inserting, deleting, and updating data
Section 4 – Basic SQL
Writing your first SQL queries
Using SELECT, WHERE, and wildcards
Applying logical operators
Sorting and grouping data with ORDER BY and GROUP BY
Section 5 – Working with Multiple Tables
Joining tables for richer queries
Mastering INNER JOIN, LEFT JOIN, and RIGHT JOIN
Section 6 – Database Normalization
Why normalization matters for database design
First, Second, and Third Normal Forms (1NF, 2NF, 3NF)
Section 7 – Subqueries
Writing powerful subqueries in SQL
Understanding correlated and non-correlated subqueries
Section 8 – Transactions
What are transactions and how do they ensure data integrity?
The ACID principles (Atomicity, Consistency, Isolation, Durability)
Using COMMIT, ROLLBACK, and SAVEPOINT
Section 9 – Views
What are views and how can they simplify your queries?
Creating, updating, and deleting views
Section 10 – Indexes and Constraints
Improving performance with indexes
Using primary keys, foreign keys, and composite keys
Exploring constraints: CHECK, UNIQUE, and DEFAULT
Section 11 – Data Structures Behind Databases
Understanding pages and memory concepts
How B-Trees and B+ Trees power databases
Section 12 – Stored Procedures
What are stored procedures and how to use them?
Declaring variables, using loops, and writing conditions
Working with cursors for advanced control
Why Take This Course?
Beginner-friendly — No prior experience needed
Hands-on practice — Real SQL code and exercises
Career-focused — SQL is essential for developers, analysts, and data scientists
Timeless skills — SQL is used everywhere, from startups to Fortune 500 companies
Learning SQL and MySQL will open up countless opportunities, whether in software development, data analysis, finance, or business intelligence. And the best part? It's easy to learn, well-documented, and extremely powerful.
Let's Get Started!
Join thousands of learners and take your first step into the world of data.
Enrol now and start writing your own SQL queries today!
Who this course is for
This course is mean for newbies who are not familiar with SQL syntax or just want to refresh the knowledge
Homepage
https://www.udemy.com/course/introduction-to-sql23/

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