Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): referential integrity constraint. transitive dependency. normal form. insertion anomaly. referential integrity constraint. transitive dependency. normal form. insertion anomaly. 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? Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type of related to a single-entity instance of another type? Many-to-Many Relationship Composite Relationship One-to-Many Relationship One-to-One Relationship Many-to-Many Relationship Composite Relationship One-to-Many Relationship One-to-One Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A DBMS that combines a DBMS and an application generator is ________ . Microsoft's Access Microsoft's SQL Server Oracle Corporation's Oracle IBM's DB2 Microsoft's Access Microsoft's SQL Server Oracle Corporation's Oracle IBM's DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The main idea behind computer files is that it is convenient to store information together arrange them access them create them store information together arrange them access them create them ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Because it contains a description of its own structure, a database is considered to be ________ . an application program metadata compatible self-describing described an application program metadata compatible self-describing described ANSWER DOWNLOAD EXAMIANS APP
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