datamodels, Database Management System

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explain thee diffrent types of data models

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Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.

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What is DML Query Langauge? Data Manipulation Language (DML) - A data manipulation language is a language in which enables users to access or manipulate data as organized throu

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What is Multivalued Attribute? Multivalued Attribute - Multivalued attribute might have more than one value for an entity. For instance, PreviousDegrees of a STUDENT.

Extended star schema, Northwind Pty Ltd sells a variety of food products th...

Northwind Pty Ltd sells a variety of food products throughout the world.  They want to use the reporting features of SAP's Business Information Warehouse to better understand their

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