Database Query Optimization: Indexing Strategies and Query Plans
By Dr. Sarah ChenAugust 13, 20251 min read0 commentsPerformance & Optimization
# Database Query Optimization: Indexing Strategies and Query Plans
> Performance optimization techniques for modern applications.
## Overview
Performance optimization is crucial for user experience and business metrics.
## Key Metrics
- First Contentful Paint (FCP)
- Largest Contentful Paint (LCP)
- Time to Interactive (TTI)
- Cumulative Layout Shift (CLS)
## Optimization Strategies
- Measure first, optimize second
- Focus on critical rendering path
- Implement progressive enhancement
- Use performance budgets
## Example
```typescript
// Lazy load components
const LazyComponent = lazy(() => import('./HeavyComponent'));
// Use React.memo for expensive renders
const ExpensiveComponent = React.memo(({ data }) => {
return
{expensiveCalculation(data)}
;
});
```
## Resources
- Related: database
- Related: indexing
- Related: query-optimization
- Related: performance
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