If you want to back up your database, it is necessary to
take down the server
lock and flush the tables
both a) and b)
none of the above
You should lock tables manually before executing
a manual backup
mysqldump
mysqlhotcopy
Which table types can you check with CHECK TABLE ?
InnoDB and MyISAM
MyISAM only
MyISAM and BDB
InnoDB and BDB
Which table types can you repair with REPAIR TABLE ?
If CHECK TABLE reports Table is already up to date
you need to run REPAIR TABLE
the storage engine is not supported by CHECK TABLE
the table is fine