Operation 111838
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ?- Operation Type
sql
- Duration
- 18.0 ms
- Request Impact
- 32.5% of total request time
- Occurred At
- Sep 16, 2026 6:23 AM
- SQL Analysis
- Normal query (<100 ms)
- Performance Comparison
-
Average: 18.2ms
95th Percentile: 34.0ms
Based on 1000 recent operations - Related Operations
- 1 similar operation in this request
- Optimization Tips
-
Add composite index: add_index :users, ["id", "created_at"] - Efficient multi-column filteringAdd single_column index: add_index :users, :created_at - Efficient range scans for created_atIndex Optimization - Review indexes on the 'users' table. Consider composite indexes for WHERE clauses.