Database Models, Database Management System

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Benefits and Limitations od Data Models?

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I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one

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What are the two statements regarding transaction? The two statements regarding transaction of the form are:- A)     Begin transaction B)      End transaction

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When is a transaction rolled back? Any changes that the aborted transaction made to the database must be uncompleted. While the changes caused by an aborted transaction have be

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Let us first look into some of the important features of ER model. Entity relationship model is a high-level conceptual data model. It permits us to define the data invo

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What is conceptual model ? A conceptual model is a independent of both hardware and software.

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Example :; transfers transfer_amount from x's account to y's account ; Supposes x&y both accounts exist TRANSACTION (x, y, transfer_amount) Start transaction IF X AND Y

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