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What is Laravel database indexing and why is it important?
Updated May 16, 2026
Short answer
Indexing improves database query performance by reducing search time.
Deep explanation
Indexes allow databases to quickly locate rows without scanning entire tables. In Laravel, indexes are defined in migrations. Proper indexing is critical for large datasets. However, excessive indexing slows down inserts and updates.
Real-world example
Used in user lookup systems where email search must be fast.
Common mistakes
- Adding too many indexes without analyzing query patterns.
Follow-up questions
- What is composite index?
- When not to use indexing?