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Delphi and Database Components

These following components have been used for the database access since the introduction of Delphi.

  • BDE ( Deprecated )
  • BDE and SQL Links ( Deprecated )
  • dbGO – Wrapper components for ADO
  • Interbase Express – Specialized interbase components
  • BDP – Wrapper for ADO.NET/Delphi ( Deprecated )
  • dbExpress

BDE ( Borland Database Engine )

  • These components are included in the latest versions of Delphi only for Backward compatibility
  • It is Not intended for new projects
  • It works based on the Connected Data Access technique.

dbGO ( ADO )

These components are still used in all types of database projects

Interbase database Components

  • It Gives full control over the Interbase database only.
  • No other Databases can be used.

BDP ( Borland Data Provider )

  • It is a Wrapper for ADO.NET
  • It is used with VCL.NET


  • It was introduced in 2000 ( dbExpress 1.0 ) – Delphi 6 – version 1.0
  • It works based on the Non-Connected Data Access architecture
  • It is Written 100% Pascal and is Extremely fast
Senthil Kumar B
Senthil Kumar is a former Microsoft MVP (Most Valuable Professional). He is a Co-Author of the book "Windows 10 Development Recipes using JavaScript and CSS" for Apress Publication. He is a technical presenter, blogger, mentor and a Geek.  Senthil is a regular speaker is various local user groups. He has presented at conferences like Great Indian Developer Summit (GIDS) & Microsoft DevCamps. You can reach out to him via his Twitter handle @isenthil.