OverviewIdentifying High-Cost Query PatternsAnalyzing Query Patterns with Query HashAnalyzing Query Patterns with Query Parameterized HashWhy Query Patterns MatterTracking Object Usage for Cost ManagementWhy ACCESS_HISTORY MattersFind Table and View UsageManage Operational SkewScenario: Skewed ColumnSystem-Wide ImpactBest Practices for Managing SkewFind Skewed Join and Aggregate ColumnsHow to Mitigate this SkewReducing Data Movement Using SnowparkSnowpark-Optimized WarehousesExample: Creating a Snowpark-Optimized WarehouseSnowpark Performance Best PracticesExample: Efficient DataFrame UsageChoosing Between ETL and ELTETL (Extract, Transform, Load)ELT (Extract, Load, Transform)Optimization ConsiderationsRecommended StrategyBreak Down Complex TransformationsRecommended StrategyExample: Breaking Down a Transformation PipelineDesigning the Consumption LayerWhy the Consumption Layer MattersKey Design PrinciplesIntra-Row CalculationsSummary