If you use an in-memory database, you can use a connection URL attribute to drop it. For a file system database, however, there is no drop attribute. To drop a database on the file system, delete the database directory with operating system commands. The database must not be booted when you remove a database. You can get a list of booted databases with getPropertyInfo.
To back up a database, you can use the online backup utility. For information
on this utility, see the
You can also use roll-forward recovery to recover a damaged database.