ADO stands for ActiveX Data Objects and is a component object model facilitating access to/from different data sources through OLE DB provider. ADO is built on top of OLE DB and establishes communication between applications/programming languages and various data sources like RDBMS, MS Office documents, and plain text files. ADO has low memory overhead and itís very easy to use. Using ADO software developers communicate with databases like Microsoft
Server, Oracle, MySQL and Access.