HAVING for filtered groups

Concepts: sqlHaving

Understanding HAVING Why We Need HAVING Consider this question: "Which regions have more than 100 orders?" Groups are formed first, then the count threshold is applied. North (4 orders) and South (3 orders) pass the filter, while East (1 order) is eliminated entirely. HAVING Examples This finds highly-rated products with enough reviews to be statistically meaningful. Both conditions must be true: at least 10 reviews AND average rating of 4.0 or higher. Practical Patterns WHERE vs HAVING Execution Order