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Define canonical cover? A canonical cover Fc for F is a set of dependencies like F logically implies all dependencies in FC and Fc logically shows all dependencies in F.
What is OOM? Object oriented modeling is an approach by which modeling of systems is done by visualizing the system based on real world concepts. Object oriented modeling does
Our company hires independent contractors to install equipment at precise locations across North America. We want to track the installation data and generate reports. The compan
explain exhausitively the problems associated with er diagrams with ellustrations
What are the Issues when Selecting a Database Issues when Selecting a Database Storage space requirement: A database requires about triple storage space of the actua
What's the difference between a primary key and a unique key? Both primary key and unique key enforces uniqueness of the column on which they are explained. But by default prim
What is completeness constraint on generalization? Define the variation between total and partial design constraint. Give an example each. Ans: Completeness Constraints
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
Can we delete data element, which is being used by table fields. No we cant delete data element.
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