Database design and implementation UE Past Papers Questions.

SQL select Distinct statement is used to return only diverse values

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The AND operator displays a record if the first condition or the second condition are true.

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Alternate key is the set of minimal set of attributes that uniquely identifies each occurrence of an entity type.

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The top down design approach begins at the fundamental level of attributes . It starts with identifying attributes and use that attributes to identify properties of entities and relationships..

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Attribute is a name column of a relation

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