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Query Optimization and Anti-Patterns
Last Updated: April 13, 2026
Ashish Pratap Singh
10 min read
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Sample Data
Anti-Pattern 1: Functions on Indexed Columns
Anti-Pattern 2: Implicit Type Conversions
Anti-Pattern 3: SELECT * in Production
Anti-Pattern 4: OR Conditions That Prevent Index U...
Anti-Pattern 5: Unnecessary DISTINCT
Anti-Pattern 6: The N+1 Query Problem
Optimization Techniques
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