Understand fundamental differences between aggregates and window functions

Know when to use GROUP BY vs OVER clause

Preserve detail rows while adding aggregate context

Combine aggregates and window functions effectively

Choose the right approach for different analytical needs

Optimize queries using appropriate function type

Understand fundamental differences between aggregates and window functions

Know when to use GROUP BY vs OVER clause

Preserve detail rows while adding aggregate context

Combine aggregates and window functions effectively

Choose the right approach for different analytical needs

Optimize queries using appropriate function type