Terminology and Data

Database Management Reference Manual

Distributed Attributes : Terminology and Data

Distributed attributes are built on top of the well established functions and concepts of AVEVA E3D™ technology. The functionality of distributed attributes UDAs and UDETs behave as an integral part of the system.

A distributed attribute group is a UDET based on the XPITEM element type. The UDET itself works like any other UDET and may carry any number of attributes, whereas UDAs, which are defined by you.

An pictoral representation of how the components relate to each other is displayed below:


Term	Description
Binding element	The owner of distributed attributes groups.
Distributed element / attribute group	The container for distributed attributes these can be thought of as attribute groups. The distributed element is always a UDET based on the XPITEM element type.
Distributed attribute	The attributes, UDAs that a defined for an attribute group.
Default home	The location where the distributed elements are stored and managed.

All definitions of Distributed Attributes are stored in dictionary databases and maintained by the LEXICON module.