Database Management System Question
Database Management System Question With Answer & Solution
Que. - The attribute name could be structured as an attribute consisting of first name, middle initial, and last name. This type of attribute is called
Que. - In a relation between the entities the type and condition of the relation should be specified. That is called as______attribute.
Que. - _____________ can help us detect poor E-R design.
Que. - If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.
Que. - Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set.
Que. - In which of the following, a separate schema is created consisting of that attribute and the primary key of the entity set.
Que. - Suppose the user finds the usage of room number and phone number in a relational schema there is confusion.This is reduced by
Que. - Designers use which of the following to tune the performance of systems to support timecritical operations?
Que. - In the schema (dept name, size) we have relations total inst 2007, total inst 200Q:8) Which dependency have lead to this relation ?
Que. - Relation dept year(dept name, total inst 2007, total inst 2008, total inst 2009). Here the only functional dependencies are from dept name to the other attributes. This relation is in
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