[Mediawiki-l] renaming mysql tables name

[Riccardo Veraldi]

Hello,
in my center the previous persons which managed Mediawiki created the 
main tables with a prefix namespace like this:

| tier1operationsarchive           |
| tier1operationsblobs             |
| tier1operationsbrokenlinks       |
| tier1operationscategory          |
| tier1operationscategorylinks     |
| tier1operationschange_tag        |
| tier1operationscur      

etc...


I wanted to ask if it is possible for me to change all the tables name 
into something more readable like the default
mediawiki tables remoing the awful prefix:

archive          
blobs            
brokenlinks      
category         
categorylinks

or if this operation is somewhat dangerous.

I also wanted to ask if it is possible for me to delete tables which are 
not used anymore by Mediawik
and they are slso empty, like:

mysql> select * from tier1operationsblobs;
Empty set (0.00 sec)


thnk you very much

Rick