Tuesday, September 29, 2009

ODBC -OPEN DATABASE CONNECTIVITY

Open Database Connectivity (ODBC)

ODBC provides a common Application Programming Interface (API) to underlying database systems. ODBC communicates with the database through a library driver. Depending on the database being used, a networking driver may be required to connect to a remote database.

ODBC structure.

The unique feature of ODBC is that none of its functions are database-vendor specific. That is, you can use the same code to perform queries against a Microsoft Access table or an Informix database with little or no modification. ODBC has developed into a standard adopted into many products, including Visual Basic, Visual C++, FoxPro. Using ODBC will be more portable but slower than using the Oracle7 or Sybase libraries.

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