Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . described metadata compatible an application program self-describing described metadata compatible an application program self-describing ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? All of these SELECT DISTINCT SUB FROM BOOK None of these SELECT ALL FROM BOOK SELECT SUB FROM BOOK All of these SELECT DISTINCT SUB FROM BOOK None of these SELECT ALL FROM BOOK SELECT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. Network Hierarchical Object-Oriented None of these Relational Network Hierarchical Object-Oriented None of these Relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The database administration function includes application programming None of these database access planning All of these computer operations management application programming None of these database access planning All of these computer operations management ANSWER DOWNLOAD EXAMIANS APP
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