Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. foreign keys. composite keys. candidate keys. determinants. foreign keys. composite keys. candidate keys. 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 DBMS acts as an interface between what two components of an enterprise-class database system? Data and the database Database application and SQL The user and the database application Database application and the database Data and the database Database application and SQL The user and the database application Database application and the database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the columns does not matter. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file upgrading renewing Updating restructuring upgrading renewing Updating restructuring 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
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