It could also be that they're trying to pack too many accounts onto one physical server. So it may have nothing to do with limitations to your particular account, it's just everyone on your server combined is overloading MySQL. That being the case, there's really nothing you can do unless your host gets their act together and stops overselling accounts.
---Jamin
_________________________
Diablo 3 Lead Designer Jay Wilson:
“The development of a Blizzard game is sometimes a long affair. This is how long it took us to be ready.”
| 
)I will write to host and ask for help.
