Mastering Oracle SQL Functions with SQL Developer
By External Provider
About 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.
What you will 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.