This Delphi Training Course set about Building Database Application with Delphi, Firebird and dbExpress. There are many aspects on developing database application with Delphi. Delphi has many types of database applications, that is, stand alone, file sharing, client server, and multi-tier database application. In other hand, Delphi offer many connection types we can use with Delphi to connect to Database. You can use BDE, ADO, IBExpress, or DBExpress.