Cognos Framework Manager-Namespace,Model,package,Query Subject,Item

Cognos Frame work manager is a metadata modeling tool that is used to present the Metadata required by the cognos framework manage. Framework manager is a metadata model that imports data from one or more data sources. The following information explains about Framework Manager and how to use it.

Introduction to Framework Manager:
Cognos Framework Manager which is a metadata modeling tool avails business presentation by presenting data from one or more data sources. Generally a model helps in importing data from one or more data sources and cognos frame work manager perfectly does that.

Contents of the Framework Manager:
In framewok manager you have lot of entities to deal with it like project, model, Namespaces, packages, Query Items, Query subjects. When you work in Framework Manager you should know about all the following entities primarily.

Namespaces
Packages
Project
Model
Query Items
Query Subjects

Project:
It is the complete set of all the entities that are available in framework manager including packages, models and other related information. Its spans over many data sources.

Model:
A models is a complete set of query objects and query subjects that are used for reporting.

Namespaces:
These are containers that contain all the objects in a frame work manager. It is a directory like structure which holds all the objects that are required for certain namespaces. Different Namespaces will have different objects. If you have 2 objects of same name and feature, then these 2 should go into 2 different namespaces to provide the object uniqueness.

Packages:
It is a subset of a model. It also has Query Subjects and Query objects but in a more specific and more diversified. This is used for our Cognos Reporting and is the main role in allowing cognos server to access Data ware house or data mart.

Query subject:
It is the basic building block of a Framework manager and is the main part in Framework manager. It has an sql query associated with it which retrieves all the data that is required. So when ever we have a need to change in retrieving the data, we need framework manager. All the query subjects are multidimensional in nature.

Query Items:
Query items are mainly used in Reporting and for BI Authors it is the most essential object from the framework manager. These have lot of properties associated with them and are present in query subjects. Query items are similar to subsets of query subjects. For example you have a table that is represented by a query subject to retrieve it, then the corresponding columns are retrieved using query items.