Introduction to Database System An attribute that names or identifies entity instances is a(n): attribute. identifier. entity. relationship. attribute. identifier. entity. relationship. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation sorts file using two keys establishes an index for a file sorts a file using a single key None of the listed here sorts file using two keys establishes an index for a file sorts a file using a single key None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of pointers to the master list both (a) and (b) All of these None of these a list of keys pointers to the master list both (a) and (b) All of these None of these a list of keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Attribute Identifier Entity Relationship Attribute Identifier Entity Relationship ANSWER DOWNLOAD EXAMIANS APP