Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. Records Fields File structure Database Records Fields File structure Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a random collection of data items an orderly collection of data items a general collection of data items a single data item None of these a random collection of data items an orderly collection of data items a general collection of data items a single data item None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . multiuser database application e-commerce database application single-user database application data mining database application multiuser database application e-commerce database application single-user database application data mining database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type related to many entity instances of another type? One-to-One Relationship One-to-Many Relationship Composite Relationship Many-to-Many Relationship One-to-One Relationship One-to-Many Relationship Composite Relationship Many-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Words Bytes Fields Database Words Bytes Fields Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? ID-dependent entity ID-independent entity Weak entity Strong entity ID-dependent entity ID-independent entity Weak entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
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