SQL Query Examples Dataset

A comprehensive collection of SQL queries with detailed analysis of performance characteristics, optimization techniques, execution plans, and best practices across different database scenarios and platforms.

QueryPerformanceOptimizationCompatibilityUse CasesBest Practices
Complex Customer Order Analysis
CTE • Advanced
Tags: analytics, window functions, aggregation, customer analysis
Time: 250ms
CPU Cost: 0.8
Memory: 128MB
1 suggestions
1 anti-patterns
1 recommended indexes
SQL Server 2016+: ✓
PostgreSQL 9.4+: ✓
Retail • Millions of records
3 formatting tips
1 security checks
3 testing approaches
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