Hello

I try to connect ruby to a MS SQL database . This the error message.

b.michelin@srv-mq-lamp2:~$ irb1.8
irb(main):001:0> require "dbi"
=> true
irb(main):002:0> dbh = DBI.connect('dbi:ODBC:DataBase', 'user',
'password')
WARNING: no ODBC driver manager found.
DBI::DatabaseError: INTERN (0) [RubyODBC]Cannot allocate SQLHENV
        from /usr/lib/ruby/1.8/DBD/ODBC/ODBC.rb:95:in `connect'
        from /usr/lib/ruby/1.8/dbi.rb:424:in `connect'
        from /usr/lib/ruby/1.8/dbi.rb:215:in `connect'
        from (irb):2

Can You help me

Thanks