Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if only a small computer system is available All of these a large computer system is available None of these only a few transactions are involved only a small computer system is available All of these a large computer system is available None of these only a few transactions are involved ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail can be used to restore lost information is used to make back-up copies is the recorded history of operations performed on a file All of the listed here can be used to restore lost information is used to make back-up copies is the recorded history of operations performed on a file All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The following are components of a database except ________ . indexes metadata reports user data indexes metadata reports user data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS