Problem with dbtalk

Hello I tried to do one of the prepared ruby

applicaton name dbtalk07 inserted in

http://www.insula.cz/dbtalk/

when I open the zip ,one of the files "toybase.sql "

that is a script will be used by mysql that make the

database and insert values into the tables ,I tried

to use source syntax to run the script but it didn’t

work and it send me beack this error:no database

selected.