Cognos Interview questions and Answers |
How can I create a dynamic column name in Cognos?
How to improve Report performance in ReportNet?By aggregation. Try to use less filters in the report. Use star schema grouping, check the joins. Also drill through functionality increases performance as well. Always try to use appropriate functionality which can save time in this way you can improve performance of a report. What is object security in framework manager?
What is catalog and types of catalogs in cagonos?
What is the difference between a cascading report and drillthru report?why do we go for drill thru report?Cascading prompt means to extract the data from one prompt to using values from another prompt. How to join multiple db in catalog?Mutiple database could not be connected in a single catalog. So that we use hotfile for this purpose. How can i schedule reports in cognos?By using Cognos Schedular, one can schedule the running reports in Impromptu to execute and save it in desired format. What is Cognos Visualizer and Cognos Scripting?Cognos Visualizer:Cognos Visualizer provides powerful visual analysis to communicate complex business dataquickly and intuitively. By going beyond simple pie or bar graphs, you can view and combinedata in a way that lets you immediately see areas of concern, trends, and other indicators.Cognos scripting:You can use the Cognos Script editor, or any other OLE compliant editor to create, modify,compile, and run macros.A macro is a set of commands that automates the running of an application. You can automatemost Cognos Business Intelligence applications by using the Cognos Script language (a BASIC-like language) the Cognos Script Editor, and OLE automation What is the difference between group and associare?When you group data, Impromptu sorts the data item you are grouping and removes duplicatevalues. You can organize your report by grouping on one or more data items.By associating a grouped data item to another data item, you can eliminate duplicateinformation from your report.You can associate one or more data items with a grouped data item. An associated data itemshould have a one-to-one relationship with the grouped data item. For example, Order No. is agrouped data item. For each order number, there is an Order Date. Order No. and Order Datehave a one-to-one relationship. What is drill down and slicing and dicing whats the difference between them?Drilling lets you quickly move from one level of detail to another to explore different aspects of your business. Drilling down moves you down in the hierarchy; drilling up moves you up in the hierarchy. How to generate cubes in cognos?Power Play Transformer contain dimension,measure,model and cube. we can generate cube different way. What is snapshot?A Snapshot is the copy of data, when we create a snapshot it copies the exact data that's related to the at perticular report, we use snapshot when ever we want to compare reports(ex we want to compare this months report with previous months) What is meant by Junk Dimension?The junk dimension is simply a structure that provides a convenient place to store the junk attributes What is IQD?What is contained in IQD? How you create IQD In ReportNet FrameWork?1. Create a new namespace.<give it a name, say, IQDReportNet> When You Import data into catalog You have complex columns names. How do you change the Name of those columns?Open Impromptu Administrator -> Catalog -> Folders option Select the What is loop in frameworkmanager ?
What is the security module used in cognos?Cognos uses KERBORES security model. It was the model which was found in 1980. How can i test reports in cagonos?In cognos report net by the validate report option a report can be tested. If there will be any error, it will specify the the error, unless it will give message -'report specification is valid'. |