Mastering Oracle SQL Functions with SQL Developer
Mastering Oracle SQL Functions with SQL Developer
This course is part of Oracle SQL 21c: Database Design & Query Mastery Specialization
Included with
What you'll learn
Apply analytic, conditional, and ranking functions to solve business problems.
Use CUBE, ROLLUP, and GROUPING SETS for multidimensional data analysis.
Design optimized queries with views, indexes, and NVL/CASE/DECODE functions.
Skills you'll gain
Tools you'll learn
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There are 2 modules in this course
By the end of this course, learners will be able to apply advanced SQL operators, design efficient queries using views and indexes, and implement analytic and conditional functions to solve real-world business problems. Participants will learn how to restructure and aggregate data with CUBE, ROLLUP, and GROUPING SETS, as well as handle NULL values using NVL, NVL2, and COALESCE.
This course goes beyond theory by offering case-study-driven practice in Oracle SQL Developer, ensuring learners gain hands-on experience with query optimization and advanced reporting. Learners will not only understand how to write SQL code but also evaluate performance impacts, analyze multidimensional data, and design logic-driven queries for decision-making. What makes this course unique is its practical approach, combining foundational SQL structures with advanced business-ready techniques such as DECODE, CASE, and ranking functions like ROW_NUMBER, RANK, and DENSE_RANK. By completing this course, learners will confidently create optimized, flexible, and insightful SQL queries that are essential for careers in data analytics, business intelligence, and database management.
This module introduces learners to the foundational building blocks of Oracle SQL queries with a focus on data structuring and advanced operators. Learners will explore how to simplify reporting using CUBE, UNPIVOT, and GROUPING SETS, along with optimizing performance through views and indexes. By the end of this module, learners will confidently analyze and manipulate datasets using grouping, summarization, and retrieval optimization techniques that are essential in real-world business intelligence and database management.
What's included
9 videos4 assignments
9 videos•Total 47 minutes
- Introduction to Oracle SQL Developer Case Study•1 minute
- Using the CUBE Operator in SQL Developer•8 minutes
- Working with UNPIVOT in SQL•6 minutes
- Creating and Using Views in SQL•6 minutes
- Introduction to Indexes in Oracle SQL•6 minutes
- Advanced Indexing Techniques•4 minutes
- Exploring GROUPING SETS in SQL•6 minutes
- ROLLUP Function with Examples•5 minutes
- Combining CUBE, ROLLUP, and GROUPING SETS•5 minutes
4 assignments•Total 60 minutes
- Building Strong Foundations in SQL•10 minutes
- Optimizing Data Retrieval•10 minutes
- Advanced Grouping Techniques•10 minutes
- Mastering SQL Data Structures and Operators•30 minutes
This module emphasizes the practical application of SQL’s conditional and analytic functions to solve complex business problems. Learners will practice building logic-driven queries using CASE and DECODE, handle NULL values with NVL, NVL2, and COALESCE, and apply advanced ranking and partitioning with analytic functions such as ROW_NUMBER, RANK, DENSE_RANK, and NTILE. By mastering these techniques, learners will be able to design dynamic, business-ready SQL queries that provide actionable insights and robust reporting solutions.
What's included
10 videos4 assignments
10 videos•Total 81 minutes
- Working with CASE Expressions in SQL•7 minutes
- Practical Examples of CASE Statements•9 minutes
- Nested CASE Expressions in SQL•5 minutes
- Understanding Analytic Functions in SQL•11 minutes
- ROW_NUMBER and RANK Functions Explained•6 minutes
- Using DENSE_RANK and NTILE in Queries•9 minutes
- Working with NULL Values in SQL•8 minutes
- Applying NVL, NVL2, and COALESCE Functions•7 minutes
- Using DECODE Function in Oracle SQL•7 minutes
- Comprehensive Case Study on SQL Functions•12 minutes
4 assignments•Total 60 minutes
- Mastering Conditional Logic in SQL•10 minutes
- Powerful Analytic Functions•10 minutes
- Handling NULLs and Special Functions•10 minutes
- Practical Applications of SQL Functions•30 minutes
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Reviewed on Jan 15, 2026
Commonly used single-row and group functions are covered with useful examples.
Reviewed on Jan 5, 2026
People often highlight that the video lessons are paired with meaningful exercises rather than just passive watching.
Reviewed on Jan 19, 2026
Many reviews emphasize that writing queries repeatedly with challenges helped them understand functions and joins deeper.
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