Question: How many of the following statements are true? 1) Attributes are properties of either entities or relationships. 2) An attribute may be multi-valued. 3) A composite attribute contains two or more components. 4) Each attribute has a domain representing its data type. 5) A derived attribute is physically stored in the database. A) 0 B) 1 C) 2 D) 3 E) 4

Question: How many of the following statements are true? 1)It is possible to have two candidate keys with different numbers of attributes. 2) A composite key has more than 1 attribute. 3) The computer picks the primary key used in the design. 4) A relationship has a primary key. 5) An attribute has a primary key. A) 0 B) 1 C) 2 D) 3 E) 4

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.

Which of the following statements about Product Attributes is NOT true? Product attributes are the characteristics by which products are identified and differentiated. Product attributes usually comprise features, benefits, and uses. Any given product or service can only be presented in one attribute class. When making judgments about multi-attribute alternatives consumers are likely facing a mixture of characteristic, beneficial, and image attributes.

What are attributes? Question 6 options: Structure of data that we want to keep about the class. The values that we want to keep about the class. The data that we want to keep about the class. Structure of what we want to do with the class

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