Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Database
»
Logical Database Design
A transitive dependency is which of the following?
A functional dependency between two or more key attributes.
A functional dependency between two or more nonkey attributes.
A relation that is in first normal form.
A relation that is in second normal form.
Correct Answer:
A functional dependency between two or more nonkey attributes.
← Previous Question
Next Question→
More Questions from
Logical Database Design
When mapping a regular entity into a relation which of the following is true?
When mapping a ternary relationship with an associative entity into a relation which of the following is true?
When mapping a supertype/subtype relationship which of the following is true?
When mapping a multivalued attribute into a relation which of the following is true?
Weak entities do not get mapped into a relation.
In a 1:M relationship, the primary key on the one side migrates to the many side to become the foreign key on the many side.
A primary key may be null.
The primary key of the new relation in a many-to-many relationship is a composite key comprised of the primary keys of each of the binary entities.
An enterprise key is a primary key whose value is unique for a given relation.
Normalization is a formal process for deciding which attributes should be grouped together in a relation.
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments