Open Database Connectivity (OBDC) is an API, or set of tools and protocols, for creating and accessing database systems.
It is interface that is designed specifically for accessing data in a heterogeneous environment of relational and non- relational database management systems.
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Initially, ODBC was developed by Microsoft during the 1990s. This was conducted to define how a programme should send SQL queries to the database system as part of The Call Level Interface, an API that formed through ODBC.