Oracle Database & MySQL Masterclass: Advanced SQL from Beginner to Expert

Master Oracle Database, MySQL, and Advanced SQL through a comprehensive, hands-on course designed for beginners, developers, database administrators, data analysts, and aspiring software professionals.

This course starts with the fundamentals of relational databases and gradually progresses to advanced SQL concepts used in real-world enterprise applications. Every topic is explained with practical examples, making it easy to understand and apply in Oracle Database and MySQL environments.

You'll learn how to design efficient databases, write optimized SQL queries, manage database objects, and work with advanced SQL features commonly used in the IT industry. By the end of this course, you'll have the confidence to write complex SQL queries, optimize database performance, and prepare for technical interviews and certification exams.

Whether you're preparing for a career in Database Administration (DBA), Data Analysis, Software Development, Backend Development, or DevOps, this course provides the practical SQL skills required by employers.

What you'll learn

• Introduction to Relational Databases

• Oracle Database and MySQL Fundamentals

• Database Design Concepts

• Normalization (1NF, 2NF, 3NF)

• Writing Basic SQL Queries

• SELECT Statement

• Filtering Data using WHERE Clause

• Operators and Expressions

• Sorting Data using ORDER BY

• DDL Commands

o CREATE

o ALTER

o DROP

o TRUNCATE

o PURGE

o RENAME

o FLASHBACK

• DML Commands

o INSERT

o UPDATE

o DELETE

o MERGE

• TCL Commands

o COMMIT

o ROLLBACK

o SAVEPOINT

• Constraints

o Primary Key

o Foreign Key

o Unique

o Check

o Not Null

• Sequences

• Synonyms

• Indexes

• SQL Joins

o Inner Join

o Left Join

o Right Join

o Full Outer Join

o Self Join

o Cross Join

• Set Operators

o UNION

o UNION ALL

o INTERSECT

o MINUS

• Single Row Functions

o UPPER

o LOWER

o INITCAP

o LENGTH

o SUBSTR

o INSTR

o REPLACE

o TRIM

o LPAD

o RPAD

o NVL

o NVL2

o COALESCE

o DECODE

o CASE

• Date Functions

• Number Functions

• Aggregate Functions

• GROUP BY

• HAVING Clause

• Nested Queries (Subqueries)

• Correlated Subqueries

• Views

• Materialized Views (MVIEW)

• Analytical Functions

o RANK

o DENSE_RANK

o ROW_NUMBER

• SQL Loader (SQL*Loader)

• SQL Query Optimization Techniques

• Real-world SQL Examples

• Interview-Oriented SQL Questions

• Best Practices for Writing Efficient SQL Queries

Who this course is for

• Beginners with no database experience

• College students and freshers

• Software Developers

• Backend Developers

• Database Administrators (DBAs)

• Data Analysts

• Data Engineers

• DevOps Engineers

• QA Engineers

• Anyone preparing for SQL interviews

• Anyone who wants to master Oracle Database and MySQL

Requirements

• No prior SQL knowledge is required.

• A Windows, macOS, or Linux computer.

• Oracle Database or MySQL installation (installation guidance will be provided).

• A willingness to practice SQL queries.

Why enroll in this course?

• Step-by-step learning approach

• Practical examples in every lecture

• Covers Oracle Database and MySQL together

• Industry-standard SQL concepts

• Advanced SQL techniques used in real projects

• Hands-on exercises and demonstrations

• Ideal for interview preparation

• Suitable for beginners as well as experienced professionals

• Lifetime access and future updates (if applicable on your Udemy course)

This course is designed to help you build a strong foundation in SQL while advancing to enterprise-level database concepts, enabling you to confidently work with Oracle Database, MySQL, and advanced SQL in professional environments.