Fix or write or optimize any SQL query

I will fix/optimize/write your MySQL/SQL query

With 1 order you get:

✔ Fixing or writing of your SQL query

✔ Up to 5 revisions in case the result is not what you expected

✔ 100% Customer Satisfaction guaranteed

✔ Friendly customer service

Please provide me with:

1. Your MySQL/SQL query (if you want it to be fixed or optimized)

2. The structure of the database

3. What you want the query to return