Q. The attribute name could be structured as a attribute consisting of first name, middle initial, and last name. This type of attribute is called

View solution

Q. The attribute AGE is calculated from DATE_OF_BIRTH . The attribute AGE is

View solution

Q. Not applicable condition can be represented in relation entry as

View solution

Q. Which of the following can be a multivalued attribute ?

View solution

Q. Which of the following is a single valued attribute

View solution

Q. In a relation between the entities the type and condition of the relation should be specified . That is called as______attribute.

View solution

Q. _____________ express the number of entities to which another entity can be associated via a relationship set.

View solution

Q. ______ is a special type of integrity constraint that relates two relations & maintains consistency across the relations.

View solution

Q. ____________ is preferred method for enforcing data integrity

View solution

Q. Which of the following gives a logical structure of the database graphically ?

View solution

Q. The entity relationship set is represented in E-R diagram as

View solution

Q. The Rectangles divided into two parts represents

View solution

Q. Consider a directed line(->) from the relationship set advisor to both entity sets instructor and student. This indicates _________ cardinality

View solution

Q. We indicate roles in E-R diagrams by labeling the lines that connect ___________ to __________

View solution

Q. An entity set that does not have sufficient attributes to form a primary key is termed a __________

View solution

Q. For a weak entity set to be meaningful, it must be associated with another entity set, called the

View solution