Hi, 

 I'm still using Mysql 3.23.46 because, as far as I remember, in .47 was reintroduced 
the limit of 500 chars max in Innodb primary keys (limit that would break my 
application). Is it still present ?
 Is it present in Mysql 4 ?

 I also need to know if Innodb is reliable in replication mode. I remember that with 
past versions, if the master broke the slave would lose synchrony, or something of 
this kind that would make a self-recovery impractical.

 I need to implement a read-only fall-back DB, and I'm planning to use a combination 
of cron script to dump the live db to the slave after having renamed the good (old) 
versions, and after having verified that all the data in 
 the new dump is fine, renaming the new db to the right  name.

The problem is that I can't find in the manual a  command to rename a database.

I will appreciate any suggestion,

Thanks,
                        Nico



 







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