data cube, Database Management System

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Data slice explanation

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What is a value, What is a value? A data value is used for identity. Th...

What is a value? A data value is used for identity. This form of identity is used in relational systems.eg: The primary key value of a tuple recognize the tuple.

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Lock Based Protocol A lock is nothing but a mechanism that tells the DBMS whether a particular data item is being used by any transaction for read/write purpose. As there are t

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This project will involve designing and creating a database for an organization.  In the design of a database, there is no single "perfect" design.  So your database design may not

What is a foreign key, What is a foreign key, and what is it used for? ...

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What it creates while a primary key is combined with a foreign key? It creates Parent-Child relation ship between the tables that connect them while a primary key is combined w

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