By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'convert(char(30),'6/11/10 21:19')))' at line 1
| hour(str_to_Date('6/11/10 21:19','%m/%d/%Y %H:%i')) |
|---|
| 21 |