Developing Portable Applications : 1. Introduction : Gateway Components : SQL Access to Data Sources
 
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SQL Access to Data Sources
Data is accessed through SQL regardless of whether the data source type is relational or non-relational.
SQL access requires the following:
Consistent SQL dialect implementation
Consistent meta data interface
Consistent messaging interface
These components allow the creation of an application that can be written once and deployed against any supported database on any supported platform.
Information regarding supported platforms and host DBMS versions can be found at: http://supportservices.actian.com/support-services/support.