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What Is ODBC?
  

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What Is ODBC?

The Open Database Connectivity (ODBC) interface by Microsoft allows applications to access data in database management systems (DBMS) using SQL as a standard for accessing the data. ODBC permits maximum interoperability, which means a single application can access different DBMS. Application end users can then add ODBC database drivers to link the application to their choice of DBMS.
The ODBC interface defines:
*A library of ODBC function calls of two types:
*Extended functions that support additional functionality, including scrollable cursors
*Core functions that are based on the X/Open and SQL Access Group Call Level Interface specification
*SQL syntax based on the X/Open and SQL Access Group SQL CAE specification (1992)
*A standard set of error codes
*A standard way to connect and logon to a DBMS
*A standard representation for data types
The ODBC solution for accessing data led to ODBC database drivers, which are dynamic-link libraries on Windows and shared objects on UNIX and Linux. These drivers allow an application to gain access to one or more data sources. ODBC provides a standard interface to allow application developers and vendors of database drivers to exchange data between applications and data sources.
* How Does It Work?
* Why Do Application Developers Need ODBC?