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Database Essentials
OpenEdge RDBMS : OpenEdge architecture

OpenEdge architecture

The architecture for the OpenEdge database is known as Type II. Prior to Release 10, the supported architecture was known as Type I. OpenEdge Release 10 continues to support the Type I architecture, but since Type II offers significant advantages in both storage efficiency and data access performance, you should consider migrating your legacy databases to a Type II storage architecture.
The Type II architecture contains these elements, as described in the following sections:
*Storage areas
The elements are defined in your database structure definition file. For details on the structure definition file, see OpenEdge Data Management: Database Administration.
* Storage areas
* Guidelines for choosing storage area locations
* Extents
* Clusters
* Blocks
* Other block types