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Creating Universes with SAP BusinessObjects by Taha M. Mahmoud

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What is a semantic layer?

In this section, we will define the semantic layer and then describe the main role of semantic layers in BI reporting solutions.

The semantic layer acts like a translator. A translator is an expert in two languages at least. During a conversation, he or she will listen to the first person, understand what they said, and then translate the same message into a language that the other person can understand and vice versa.

The semantic layer does exactly the same thing. The end user can understand it and communicate with it, because it talks the same business language. Then, the other part translates the request into a technical language that can be submitted to the database. After that, it does the opposite by receiving the ...

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