Introduction to Database System The primary key is selected from the: composite keys. determinants. foreign keys. candidate keys. composite keys. determinants. foreign keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? It is inflexible It is file-oriented Programs are dependent on the files All of these There is common sharing of data among the various applications It is inflexible It is file-oriented Programs are dependent on the files All of these There is common sharing of data among the various applications ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: relationships. attributes. entities. identifiers. relationships. attributes. entities. identifiers. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the rows are sometimes called "fields". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. Records Database File structure Fields Records Database File structure Fields 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? Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
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