SQL EASY 
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->

# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->

# Code
```mysql []
# Write your MySQL query statement below
select user_id, email
from users
where email regexp "^[a-zA-Z0-9_]+@[a-zA-z]+\\.com"
order by user_id ;
```
['MySQL']