SQL Fundamentals
CASE Statements & Conditional Logic: Next
WHERE Clause & Filtering Conditional Aggregation with CASE & FILTER NULL Handling Categorize employees by salary band Create status labels from codes Calculate
WHERE Clause & Filtering
Conditional Aggregation with CASE & FILTER
NULL Handling
Categorize employees by salary band
Create status labels from codes
Calculate conditional discounts
Write a CASE expression for mutually exclusive ranges and explain why branch order matters.
Comparison & Logical Operators
NULL Handling
Conditional Aggregation with CASE & FILTER