Master Date, Numeric, and Aggregate Functions in Oracle SQL (2025)
Learn the most important Oracle SQL functions in one simple and practical tutorial!
In this video, we cover Date Functions, Numeric Functions, and Aggregate (Group) Functions with real examples using SQL Developer.
This lesson is perfect for students, beginners, and professionals who want to improve their SQL skills and understand how to use functions correctly in real work or interview situations.
What you will learn in this video:
ADD_MONTHS, MONTHS_BETWEEN, NEXT_DAY, LAST_DAY
ROUND, TRUNC, FLOOR, CEIL, MOD
COUNT, SUM, MAX, MIN, AVG
How to use DISTINCT inside aggregate functions
Practical examples on HR Schema (employees table)
Clear explanations + easy memory tricks
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