Introduction to Database System In a relation, the rows are sometimes called "fields". True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. None of these Many-to-one relationship One-to-one relationship One-to-many relationship Many-to-many relationship None of these Many-to-one relationship One-to-one relationship One-to-many relationship Many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have only one member but many member occurrence more than one member but only one occurrence per member only one owner but many owner occurrences All of the listed here only one member but many member occurrence more than one member but only one occurrence per member only one owner but many owner occurrences All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An audit trail is used to make back-up copies All of the listed here is the recorded history of operations performed on a file can be used to restore lost information is used to make back-up copies All of the listed here is the recorded history of operations performed on a file can be used to restore lost information ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: foreign keys. determinants. candidate keys. composite keys. foreign keys. determinants. candidate keys. composite keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Information provider Information tree Database Directory information Information provider Information tree Database Directory information ANSWER DOWNLOAD EXAMIANS APP