Query Optimization ResearchJoin OrdersBreak Down Complex QueriesOR Logic in the WHERE ClauseJoins on Aggregated Data SetsHintsWhen to Use HintsTypes of HintsJoinsAggregationsFORCE ORDERINDEX, FORCESCAN, and FORCESEEK HintsFAST NNOEXPAND and EXPAND VIEWS HintsPlan GuidesUSE PLANSummary