| Query | Run |
|---|---|
| select * from user order by user_id desc limit 1; | 3 years ago |
| select user_id from user order by user_id desc limit 1; | 3 years ago |
| select user_id from user order by user_id limit 1; | 3 years ago |
| select user_id from user order by user_id limit 1; | 3 years ago |
| select user_id from user limit 1; | 3 years ago |
| select * from user limit 1; | 3 years ago |
| select max(user_id) from user; | 3 years ago |