DATABASE FUNDAMENTALS
DATA WAREHOUSING AND DATA MINING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The following are not conceptual types in the data warehouse____
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Conceptual Modelling
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Conceptual Schema
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Conceptual Data
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Conceptual Design
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Explanation:
Detailed explanation-1: -Answer-D) Volatile is not a property of the data warehouse.
Detailed explanation-2: -A conceptual data model recognizes the highest-level relationships between the different entities. It contains the essential entities and the relationships among them. No attribute is specified. No primary key is specified.
Detailed explanation-3: -What are the key components of a data warehouse? A typical data warehouse has four main components: a central database, ETL (extract, transform, load) tools, metadata, and access tools. All of these components are engineered for speed so that you can get results quickly and analyze data on the fly.
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