Which of the following best describes a composite attribute in a database? Mark(3 Marks)(Choose one option)An attribute that holds multiple values for a single entity occurrence.An attribute that can be derived or calculated from other attributes.An attribute that holds only one value for a given entity occurrence.An attribute that is composed of smaller sub-parts.
Question
Which of the following best describes a composite attribute in a database? Mark(3 Marks)(Choose one option)An attribute that holds multiple values for a single entity occurrence.An attribute that can be derived or calculated from other attributes.An attribute that holds only one value for a given entity occurrence.An attribute that is composed of smaller sub-parts.
Solution
A composite attribute in a database is best described as an attribute that is composed of smaller sub-parts. This means that the attribute is not atomic and can be divided into smaller components that have their own meanings. For example, an address attribute can be a composite attribute as it can be divided into smaller parts like street, city, state, and country.
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What is a composite attribute?
The attribute made up of more than one single attribute are called
The attribute composed of multiple components, each with an independent existence is called: A. simple attribute. B. composite attribute. C. derived attribute. D. single-valued attribute.
The attribute that can be divided into other attributes is calledSelect one:a.Composite Attributeb.Simple Attributec.Multi-valued Attributed.Derived Attribute
In a row of a relational table, an attribute can have more than one valueIn a row of a relational table, an attribute can have exactly one value or a NULL valueAn attribute of an entity can be compositeAn attribute of an entity can have more than one value
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