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The IBM Cognos 10 BI Data Warehouse Developer exam covers key concepts, technologies, and functionality of the Cognos products. In preparation for an exam, we recommend a combination of training and hands-on experience, and a detailed review of product documentation.
Data Manager and Data Warehousing (4%)
- Identify how Data Manager can be used
- Distinguish between OLTP systems and data warehouses
Catalogs and Data Source Connections (12%)
- Describe the process of creating a catalog
- Identify how to use SQLTerm
- Describe how to configure text files using SQLTXT Designer
- Describe how to package catalog components
- Describe how to navigate through catalog components
- Describe how to export catalog metadata to Cognos 8
Dimensions and Basic Hierarchies (7%)
- Determine appropriate situations for using a hierarchy
- Describe the use of the Reference Explorer tool
- Describe the use of the Date Hierarchy wizard
Basic Dimension Builds and Fact Builds (12%)
- Describe the types of builds
- Describe the use of the Dimension Build wizard
- Describe the process of creating a fact build
- Describe the modification of build settings
Derivations and Derived Dimensions (6%)
- Identify the benefits of creating a derivation
- Determine the appropriate location to create a derivation
- Identify when it would be useful to create a derived dimension
Conformed Dimensions (10%)
- Describe the advantages of conformed dimensions
- Describe surrogate keys
- Describe how to deliver conformed dimensions
- Describe how to check data integrity
Hierarchies and Lookups (8%)
- Describe ways to modify hierarchies and lookups
- Describe how to manipulate data using hierarchies and lookups
Dimensional History and Late Arriving Data (10%)
- Describe the use of slowly changing dimensions (SCDs)
- Describe the handling of late arriving fact and dimension data
Data Delivery and Data Processing (22%)
- Describe delivering fact and dimension data
- Describe how to merge and aggregate fact data
- Describe how to restrict fact data delivery
- Describe how to implement job control
- Describe how to pivot fact data
User-Defined Functions (UDFs) and Variables (5%)
- Describe how to create UDFs
- Describe the use of variables
Troubleshooting and Tuning (4%)
- Describe options to address memory and performance issues
- Describe how to interpret the log files
