Introduction to Database System Keys made up of two or more attributes are called composite keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Entities Attributes Relationships Primary keys Entities Attributes Relationships Primary keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: change the theme. create a new theme. split the relation into two relations, each with a single theme. add a composite key. change the theme. create a new theme. split the relation into two relations, each with a single theme. add a composite key. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The database administration function includes None of these application programming computer operations management database access planning All of these None of these application programming computer operations management database access planning All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when two users of the DBMS are interacting with different files at the same time None of the listed here Two concurrent activities interact to cause a processing error Both of the listed here two users of the DBMS are interacting with different files at the same time None of the listed here Two concurrent activities interact to cause a processing error Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS