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Thursday, November 27, 2014

Resolving Loops in a Universe

Define what a Loop is Detect and recognize loops in Universe Using Aliases and Contexts to resolve the loops Identify when in the design process you resolve loops Be able to use shortcut joins and know when to use them as alternative for resolving loops. Be able to resolve recursive table structure loops. … A loop exists when the joins between...

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Introduction to Semantic Layers

Introduction to Semantic Layers The semantic layer is a metadata layer that abstracts the complexities of the data source. The end user sees only a logical grouping of available, well-named fields for use and does not have to concern them with the details of database design or need any SQL knowledge. In Business Objects XI, two semantic layers are supported business views and universes. With the merging of Crystal Decisions and...

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