DMR MODELLING IN COGNOS PDF

I have mainly modeled in relational yet. Could you share with me the steps to create a DMR from scratch. DMR is much simpler if you start with a star schema. They don't necessarily direct map from one to the other, but the star schema at least forces you to consider the structure of the data and what is wanted. Basically DMR wants you to set up a hierarchy of summarization or multiple ones.

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I have mainly modeled in relational yet. Could you share with me the steps to create a DMR from scratch. DMR is much simpler if you start with a star schema.

They don't necessarily direct map from one to the other, but the star schema at least forces you to consider the structure of the data and what is wanted. Basically DMR wants you to set up a hierarchy of summarization or multiple ones. In order to do this, you have to know what the fact query items are they are what gets summarized at each hierarchy's level s. While I do, like Nick, recommend referring to the Cognos DMR documentation, my experience is that Cognos documentation is not always understandable - at least not to the point of being able to arrive at a solution.

So, never hesitate to post your questions here. Read the PDF docs first. If you understand the basic concepts of dimensions, hierarchies, levels, attributes and measures then seeing how to express those in the model should be fairly easy. The harder part is identifying how you will map the query subjects to those objects to provide the associated data.

If you think you know how to model a star-schema grouping on top of relational objects then the transition to the other concepts should not be hard. Like David and 'the 6campbells' have put it in across, the IBM Cognos documentation should be your best bet to find the beginners information on this topic. However that may not help you to come up with solutions. But please refer these pages from FM User Guide. Big Data. Tech Sign In Page. Forgot Password?

Don't have an account? Sign up. Hi Gurus, I have mainly modeled in relational yet. Thanks in advance. Follow Tech Sign In Page. May 25, AM. Something went wrong on our end.

Please try again later. David Tremain. Look at the samples which ship in 8. May 25, PM. Hi Chris, Like David and 'the 6campbells' have put it in across, the IBM Cognos documentation should be your best bet to find the beginners information on this topic. Sandeep Pamarati. May 28, AM. June 17, PM. Sign In to Post a Comment. Sign In. Hide Comments View Comments.

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IBM Cognos 10 Framework Manager by Terry Curran

You want to create a dimensionally modeled relational model from a relational data source so you can publish the data for your business users to query. After logging in and selecting a language, the Metadata Wizard will start. In Select Objects , expand dbo , and check Tables. In Generate Relationships , uncheck Use primary and foreign keys so you can manually create the model. Click Import. So you just created a project which is a set of components that defines metadata from one or multiple data sources.

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Create DMR in Framework Manager

For example, users with limited vision might prefer to use Cognos Cube Designer because of accessibility features that Framework Manager does not offer. Some objects that are used when modeling dynamic cubes are not compatible with relational and DMR metadata. Such objects include: virtual cubes, parent-child dimensions, relative time dimensions, named sets, calculated measures, and calculated members. Framework Manager is a mature product that has benefited from many years of iterative improvements to its user experience.

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