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---
name: laravel:performance-select-columns
description: Select only required columns to reduce memory and transfer costs; apply to base queries and relations
---
# Select Only Needed Columns
Reduce payloads by selecting exact fields:
```php
User::select(['id', 'name'])->paginate();
Post::with(['author:id,name'])->select(['id','author_id','title'])->get();
```
- Avoid `*`; keep DTOs/resources aligned with selected fields
- Combine with eager loading to avoid N+1
