Explaining data warehouse
Explain in brief the term data warehouse.
Expert
Data warehouse is defined as a repository of the different heterogeneous data sources that is organized under the unified schema at a single site in order to facilitate the management decision making.
(or)
A data warehouse is defined as the subject-oriented, time-variant and non-volatile collection of the data in support of management’s decision-making procedure.
Explain how in a relation a supertype or subtype is mapped?
Describe the some drawbacks of a standard language like SQL?
Identify those statements are true about a foreign key?
Illustrate why informational and operational systems are separate?
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Explain the term Business Objects Repository?
Explain several of the products of Sybase?
How simple is NetLib to utilize?
Give a brief introduction of the term analysis service?
Describe in brief some of the criticism regarding Sybase IQ?
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