What is the use of master detail relationship in Cognos?
What is the use of master detail relationship in Cognos?
When you are working with dimensional data, IBM® Cognos® Analytics – Reporting does not support master detail relationships that use a custom group. You can use a master detail relationship to show data from separate data sources in a single report.
How do I improve my Cognos performance?
To make it faster we can improve our report performance by following these steps:
- Prompt Page:
- Performance Affected due to heavy usage of Fonts:
- Filters:
- Various Options in the query properties for improving query performance:
- Database only, Limited Local.
- Maximum Tables:
- Maximum Rows Retrieved:
- Use Local Cache:
What is CQM and DQM in Cognos?
Compatible Query Mode CQM was the default query mode for new models created in Framework Manager up to Cognos 10.2. x, after which Dynamic Query Mode became the default. Furthermore, Cognos 11 features either don’t work with CQM (data modules) or must simulate DQM when using CQM-based models (dashboards).
What is bursting in Cognos?
Bursting is the process of running a report once and then dividing the results for recipients who each view a subset of the data. You use burst reports to send each salesperson only the information they need. Burst reports can be distributed by email or saved to a folder for viewing in IBM® Cognos® Connection.
How do you remove master detail relationship in Cognos?
Tip: To delete a link, select the link and press the Delete key. If your detail query object is a chart, you can disconnect a chart title from the master query. Click the chart title, and then, from the Data menu, click Master Detail Relationships. Clear the Use the master detail relationships from the chart check box.
How do you create a master detail relationship in Cognos?
You can create a master detail relationship in two ways:
- Use a parent frame for the master query and a nested frame for the detail query.
- Associate a report page with the master query and use a data container, such as a list or crosstab, for the detail query.
What configuration settings in Cognos can you tune to optimize performance?
By tuning the configuration settings of dispatchers and services, you can optimize the speed and efficiency of IBM® Cognos® software. For users, optimal performance means that their reports run fast and without errors.
What is difference between CQM and DQM?
There are differences when I use a package using CQM and a package using DQM. With the CQM package, the members are loaded quickly (display 50 members by default). But when I use DQM package, I have to wait for a long time and finally a message appear “The server returned an unrecognizable metadata response.”.
What are some advantages of using dynamic query mode DQM )?
The dynamic query mode offers query and data source optimizations to address query complexity, large data volumes, and timeliness expectations with improved query execution techniques. For relational data sources, the dynamic query mode offers: JDBC connectivity, 64-bit connectivity, and in-memory caching.
What is Camid Cognos?
CAMID stands for Cognos Access Manager ID, and it represents an internal. search path to the recipients. Specify search paths when you want to save burst. reports in a directory. You can obtain the path in Cognos Connection.
How do I run a burst report in Cognos 11?
IBM Cognos Analytics 11 – Enable in Cognos With the report set up to burst, we now need to enable bursting and set the output. Find the location of your saved report and click the more icon and then the “Run as” option. Enable run in the background, choose the format of the report and then click into the advanced area.
What is a master detail relationship?
The Master Detail relationship is used when a user wants to manage the display of detail records based on the value reflected in the master record. As an example, in a courier company, it is always that the delivery schedule is based on the delivery location.
Does IBM® Cognos® Analytics – reporting support master detail relationships?
When you are working with dimensional data, IBM® Cognos® Analytics – Reporting does not support master detail relationships that use a custom group. You can use a master detail relationship to show data from separate data sources in a single report. However, the data sources must be contained in the same package.
How do I create a master detail relationship using queries?
To create a master detail relationship using queries that reference two different dimensional data sources, you must first link the members by aliasing the levels that contain the members. Click the Toolbox icon and drag a List, Repeater Table, or Repeater to the report. Add a second data container to the object you inserted.
How do I Disconnect a chart from the master detail relationships?
If your detail query object is a chart, you can disconnect a chart title from the master query. Click the chart title, and from the Properties pane, click Master detail relationships. Clear the Use the master detail relationships from the chart check box. Select the axis. In the Properties pane, under General, double-click the Axis range property.