Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Network database Hierarchical database Relational database Distributed database Network database Hierarchical database Relational database Distributed database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities use identifiers while tables use keys. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Enterprise Resource Planning (ERP) is an example of a single user database. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: composite keys. candidate keys. determinants. foreign keys. composite keys. candidate keys. determinants. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): entity class. database. ER attribute. entity class. database. ER attribute. ANSWER DOWNLOAD EXAMIANS APP
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