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Which three security features match the Server security level?
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What are rows of a relation known as?
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A Metadata is
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Which is the lowest level of abstraction that describes how the data are actually stored?
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A DB is a large collection of
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Considering the following table, which of the normalization is essential
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When you normalize a relation by breaking it into two smaller relations, what must you do to
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Which of the following statements fully describes data in 2NF?
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Neither multivalued nor composite attributes, nor their combinations, may be used in the normal form.
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Considering the example, if A = \{q, w, e, r, t, y\} and B = \{q, e, t\} which
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There is a table called SALES_DATA and which has the following fields
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Let R and S be two relations. The intersection operation (RS
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is a set of commands to support creation, deletion and modification of
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In a social media database, the relationship between users and posts
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In an online marketplace consider the relationship between users, products
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Assume total participation on either side of WorksFor.
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Mapping of Binary 1:1 Relationship Types is possible using
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"Date_of_Birth" is an example of attribute type called
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The storage details that are hidden by a Data Model is
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