Multiple Choice
Match each of the following E-R structures with its relational representation.
-Create a relation with a composite primary key that includes the primary key of the entity on which this entity depends and nonkey attributes.
A) regular entity
B) weak entity
C) binary or unary 1:1 relationship
D) binary 1:N relationship
E) binary or unary M:N relationship or associative entity
F) binary or unary M:N relationship or associative entity with its own key
Correct Answer:

Verified
Correct Answer:
Verified
Q3: A transitive dependency is an integrity constraint
Q16: For a unary M:N relationship:<br>A)the entity type
Q23: Sequential files are practical for random row
Q31: A _ represents data as a set
Q66: Denormalization reduces the chance of errors introduced
Q70: During logical database design,the work of all
Q82: The index file organization:<br>A)provides very fast random
Q117: _ is a special field value,distinct from
Q168: Match each of the following E-R structures
Q177: Match each of the following terms with