Have a look this one http://www.databaseanswers.org/data_models/index.htm http://www.databaseanswers.org/data_models/index.htm? You can learn the database desi

Have a look this one http://www.databaseanswers.org/data_models/index.htm http://www.databaseanswers.org/data_models/index.htm? You can learn the database design by example.