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In This Guide
Developing Portable Applications uses the following terms:
Enterprise Access gateway or gateway is synonymous with Enterprise Access
OpenSQL is synonymous with Ingres OpenSQL
Ingres Distributed Option was formerly Ingres/Star
This guide includes the following topics:
Required components and OpenSQL requirements
Achieving portability and transparency in relation to Microsoft SQL Server, Oracle, and ODBC hosts features and capabilities
Application development considerations, including restrictions and limitations that apply when accessing the various databases
Using the gateway to create and access native DBMS stored procedures as if they were OpenSQL database procedures
Data type mapping between the gateway SQL and Ingres OpenSQL
Function mapping between the host DBMS SQL and Ingres OpenSQL
Last modified date: 08/22/2022