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ODBC

ODBC. Or How can I really see my data…?. ODBC defined:. Open DataBase Connectivity ODBC applications can access data in many of today's leading database management systems (DBMSs) by using ODBC drivers written to access those DBMSs. Pervasive provides the Driver for ODBC.

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ODBC

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  1. ODBC Or How can I really see my data…?

  2. ODBC defined: • Open • DataBase • Connectivity • ODBC applications can access data in many of today's leading database management systems (DBMSs) by using ODBC drivers written to access those DBMSs.

  3. Pervasive provides the Driver for ODBC • There are TWO drivers • 1 at the “server” • 1 at the “workstation”

  4. DBA / EVO and PERVASIVE • DBA / EVO is a “Transactional Database”. • Pervasive provides the Engine for the Database to interact with the O/S. • Pervasive has Two Engines: Relational & Transactional • The Relational is for SQL type databases. • The Transactional is for Btrieve or “flat file” databases

  5. We use the ODBC to connect thru the Relational engine of Pervasive to Access the Transactional database of DBA / EVO. • The connection uses your Local Area Network on the established “protocol”: • TCP/IP • IPX/SPX • NETBIOS

  6. Client to Server Connection

  7. Server Side connection:

  8. The ODBC connects to the DDF’s • DDF’s : Data Dictionary Files. • Maintain the definitions of the Files(tables) used in the Database. • As well as Each Field name, it’s Attribute, and indexes for Each File(table).

  9. Use the Correct set of DDF’s !!

  10. Creating specific Company DDF‘s

  11. …. And in EVO..

  12. Results in Correct DDF’s in your Company Data Directory….

  13. TA DA ! • You have QUESTIONS? • We provide Answers… • www.digitalconsulting.org • 760-832-2536 • davemeng@earthlink.net

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