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Information Design tool is a new tool provided in SAP Business Objects 4.0 for Universe or Semantic layer creation purpose. The Semantic Layer thus developed using IDT is now called as Common Semantic Layer.  The workspace of Information Design tool (IDT ) is a reworked version of the legacy Universe Designer tool, with a difference that now each of the component has its own editor, and tabs which makes it easier to navigate between the connections and layers (or panes)

IDT Interface.jpg

Below is a detail explanation of each of the resource component in IDT tool

Local Projects View

                Local Projects window lists down all the Projects that are available on the local machine. Project is a container, which will contain all the resources used to build a Universe. Resources can be a Local Connection, a Data Foundation Layer, A Business Layer, and a Connection Shortcut. One Project container can contain one or more of the above resources and can be used for one or more than one Universe.

                You can share a Local Project with a group by right clicking on it and selecting ‘Share Local Project’ option. 

Repository Resources View

               Repository Resource window lists down all of the Repository sessions you are connected to or had connected in the past. For the sessions you are logged on to, the session displays all the Universe and Connections created the IDT, that have been published to the repository on the server.

Data Foundation Editor

Data Foundation editor is where a Data Foundation Layer of a Universe or a base for Business Layer is created. At the very basic a Data Foundation Layer consists of tables required for Universe and Joins connecting these tables. The basic Data Foundation Layer then can be enhanced by addition of Derived Tables, Aliases, Loops, Context, Prompts and List of Values. A Data Foundation Layer can be based on a single relational connection or multiple relational connections. A Data Foundation layer is not created for Universes based on OLAP connections. A single Data Foundation Layer can be as a base for multiple Business Layers, which can then be used for creation of multiple different Universes. The browsing panes in Data Foundation allow you to work with different elements of the data foundation. Access the panes by clicking the corresponding tab:

Connections

Data Foundation

Aliases and Contexts

Parameters and Lists of Values

Business Layer Editor

Business Layer is a collection of metadata objects that map to the columns in the underlying database. A Business Layer may contain objects like Dimension, Measure, attributes, and filters. Basic role of a Business Layer is to organize the daily used Business related objects used by the user in a logically organized manner and named in a terminology familiar to the end user.

A Business Layer object can be based on a Relational connection or an OLAP connection. A Project container may contain one or more Business Layers in it. If a Business Layer is based on a Relational connection then it may be based on a single or multiple Data Foundation Layers. A Business Layer is normally considered as a Universe in making, once the Business Layer is published to a repository the process of Universe development is considered complete.

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