(1) is probably "relational" database.
Try
http://en.wikipedia.org/wiki/Relational_database
(2) dtabase schema
try
http://en.wikipedia.org/wiki/Database_schema
If the above are not adequate, google "relational database" and "database schema" respectively.
describe the following in not less than five sentence with examples. (1) rational database
(2) schema
1 answer