Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then it can be more easily accessed both (a) and (b) storage space is wasted changing the data is one spot will cause data inconsistency None of these it can be more easily accessed both (a) and (b) storage space is wasted changing the data is one spot will cause data inconsistency None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Identifier Relationship Entity Attribute Identifier Relationship Entity Attribute ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to group the records in the abc database, you could use the Jobcode as the _____. Index Delete Sort Key Update Index Delete Sort Key Update ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: tables. relations. rows. attributes. tables. relations. rows. attributes. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . single-user database application multiuser database application e-commerce database application data mining database application single-user database application multiuser database application e-commerce database application data mining database application ANSWER DOWNLOAD EXAMIANS APP