Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One approach to standardizing storing of data structured programming CODASYL specifications All of these MIS None of these structured programming CODASYL specifications All of these MIS None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What is the language used by most of the DBMSs for helping their users to access data? High level language 4GL Query language SQL High level language 4GL Query language SQL ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. True False True False 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 In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. subtype instance parent child subtype instance parent child ANSWER DOWNLOAD EXAMIANS APP
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