Advanced SQL Functions: Rounding, Dates, Conversion & More (Chapter 3, Part 3)

In this 15-minute SQL tutorial, dive into advanced SQL functions like rounding, truncating, working with dates, and conversion techniques. Learn how to use the ROUND, TRUNC, and MOD functions, perform date arithmetic, and handle NULL values with NVL, NVL2, and COALESCE. We’ll also explore CASE and DECODE expressions, conversion functions like TO_CHAR, TO_DATE, and more. Perfect for SQL learners preparing for certifications or looking to enhance their database skills. Real-world examples included, with bonus tips on query optimization.

Timestamps:
0:00 - Introduction to Advanced SQL Functions
1:30 - Rounding and Truncating Numbers
3:00 - MOD Function Explained
4:15 - Date Arithmetic and Functions
7:00 - Conversion Functions: TO_CHAR, TO_NUMBER, TO_DATE
10:00 - RR Date Format
11:30 - Handling NULLs: NVL, NVL2, NULLIF, COALESCE
13:00 - Conditional Expressions: CASE and DECODE
14:30 - Group Functions Preview
15:00 - Conclusion and Additional Resources

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