What is DMR in Cognos? DMR is a modelling technique from Cognos. DMR stands for Dimensionally Modelled Relational and Cognos refers to the developer of various software involving business intelligence. Cognos is also considered a big name in the field of business intelligence providing various tools for large companies and enterprises. Now under the IBM group, Cognos is considered one of the largest suppliers of business intelligence software and tools to the entire globe.
|Published (Last):||26 January 2019|
|PDF File Size:||10.14 Mb|
|ePub File Size:||4.81 Mb|
|Price:||Free* [*Free Regsitration Required]|
You can import metadata only from a Content Manager data source. You must perform a separate import for each schema that you want to use. A separate file is created for each data source from which you import metadata. This is required by dynamic query mode. If a data source does not exist, you must first create it. Start Cognos Cube Designer and select one of the following options from the Welcome page: Create New from Metadata to import metadata into a new project.
Create New Blank Project to create a project. Select the database schema from which to import data, and then click OK. Repeat this step for each schema that you want to import. The imported metadata is shown as a list of database tables in the Source explorer tree. If your project contains more than one imported data source, each data source is shown in a separate panel. To view the contents of the data source, expand it.
From the File menu, click Save as to save the project as a. What to do next You must now define the dimensions and measure to include in the model. For more information, see Defining a dimension and Defining a measure.
You can also add filters and calculations to a DMR model.
DMR’s pros and cons
Nagul As long as you create a snowflake or star schema that has relationships of many-to-one from the inside out, clean things up, denormalize it, and etc, you should be okay. At least one path in the hierarchy skips at least one level. A query subject in Cognos Cube Designer has similarities to the model query subject in Framework Manager. A multi dimensional analysis is a technique to cgonos the data so that users can view the data at different levels of details. To test it, click on the blue play button and it should show you the correct results like in the picture below:. Query subjects are organized in a way that business users can understand.
Creating a DMR model
You can import metadata only from a Content Manager data source. You must perform a separate import for each schema that you want to use. A separate file is created for each data source from which you import metadata. This is required by dynamic query mode.