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B5282G – IBM Cognos Transformer: Design OLAP Models (V10.2)

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B5282G – IBM Cognos Transformer: Design OLAP Models (V10.2)
4 days  (Instructor Led Online)  |  Cognos

Course Details

The IBM Cognos Transformer: Design OLAP Models (V10.2) is a four-day, instructor-led course that provides developers with knowledge of OLAP modelling concepts using a Transformer. Participants will learn how to design, build, and maintain PowerCubes for use in IBM Cognos BI so that end users can easily analyse data.

 

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Outline

Overview of IBM Cognos BI

  • Discuss IBM Cognos and Performance Management
  • Describe IBM Cognos BI components
  • Explain how to extend IBM Cognos BI

Transformer Fundamentals

  • Discuss the basics of OLAP analysis
  • Review Transformer capabilities and its role in IBM Cognos 8 BI
  • Discuss Transformer components
  • Define categories and members

The Transformer Development Process

  • Describe the purpose of a model plan
  • Match business requirements to the model
  • Discuss an approach for creating a model plan

Data sources in Transformer

  • Discuss the types of data used by the Transformer
  • Create data source files and define properties
  • Preview source data and SQL
  • Add IBM Cognos data sources to the model
  • Discuss data filtering

Building a Model

  • Create model structures and modify property sheets
  • Confirm the data source origin
  • Generate categories to populate the model
  • Modify the model using the dimension diagram
  • Verify the model and create a PowerCube
  • Publish as a data source and package

Considerations for Designing Successful PowerCubes

  • Describe model types and data entities
  • Define members and member unique names
  • Address changes that Impact a MUN
  • Discuss when category codes can change

The Time Dimension

  • Define a regular time dimension
  • Examine standard and nonstandard time dimensions
  • Limit the range of valid dates

Relative Time

  • Compare trends over time
  • Set the current period
  • Create relative time categories
  • Customize relative time categories

Use Multiple Data Sources

  • Discuss the use of multiple data sources
  • Plan the data sources
  • Define data source types
  • Uniqueness
  • Identify and resolve conflicts between data sources
  • Validate a multiple data source model
  • Discuss a unique move

Working with Measures

  • Discuss the purpose and uses of measures
  • Describe regular and calculated measures
  • Set measure properties
  • Compare rollup options
  • Create a calculated measure
  • Create calculations before or after rollups
  • Create a category count

Allocated Measures

  • Discuss measure allocation
  • Allocate measures as a constant and by another measure
  • Check measure distribution

Currency Conversion

  • Apply and use currency conversion techniques

Alternate Hierarchies within a Dimension

  • Discuss primary and alternate hierarchies
  • Describe the benefits of alternate hierarchies
  • Create an alternate drill-down path
  • Define convergence levels and identify uniqueness issues

Advanced Dimensional Modeling

  • Discuss techniques for customizing dimensions
  • Add a new source level to an existing dimension
  • Create a manual level in a dimension
  • Create orphan categories
  • Modify a dimension using a subdimension
  • Create a special category
  • Create a scenario dimension
  • Use calculated columns and categories

Customise Cube Content

  • Create various types of PowerCubes
  • Omit dimensions and exclude measures
  • Create and apply dimension views

Examine IBM Cognos Security

  • Examine the security environment
  • Identify the IBM Cognos BI security model
  • Define authentication and authorization
  • Identify security policies

Applying Security

  • Review model security
  • Create custom views
  • Assign security to custom views
  • Assign custom views to PowerCubes
  • Combine custom views with dimension views
  • Examine a union of custom views

Maintain Models and PowerCubes

  • Maintain models and PowerCubes
  • Understand data source, model, cube updates
  • Synchronize the model and data source
  • Incrementally update PowerCubes
  • Copy and activate a newer version of the PowerCube without affecting users

Considerations for Drill Through

  • Identify conformed values between data sources
  • Discuss using drill through in IBM Cognos BI
  • Define a report drill through
  • Define a package-based drill through
  • Identify drill-through values
  • Discuss modelling recommendations

Optimize PowerCubes

  • Examine cube groups
  • Plan for disk space
  • Optimize PowerCube inputs and outputs
  • Determine factors that affect PowerCube build time and user response time

Partition PowerCubes

  • Identify the pros and cons
  • Develop a partitioning strategy
  • Create a time-based partitioned cube
  • Automatic vs. manual partitioning
  • Understand multi-file PowerCubes

Optional Modules

  • Blank Model Plans
  • Identify Common Data Structures

Target Audience

  • Developers who design OLAP models for use in IBM Cognos BI

Prerequisites

Before attending the IBM Cognos Transformer course, you should have:

  • Experience gathering requirements and analysing data;
  • It is also recommended that students take the IBM Cognos Report Studio: Author Professional Reports Fundamentals (V10.2) course.