Query calculations In Cognos

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Insert a query calculation into your report to add a new row or column with values that are based on a calculation. It is used to perform Data Scrubbing. 

• You can create calculations to provide your users with calculated values that they regularly usel
• Calculations can use query items, parameters, variables, calculated members, expressions, and expression components, such as functions
• It allows you to create expressions to derive the new data definitions

Procedure:

• Add the following query items to the list report
• Product line, order method, quantity, revenue
• Group on product line , total on quantity, revenue
• From tool box drag the query calculation
• Drop beside the revenue item
• Enter the name as sales tax
• Click on OK
• Develop the following definition
• Revenue * 0.5
• From toolbar click on validate
• Click on OK

Frequently Asked Cognos Interview Questions & Answers

Query Calculations: