Introduction to Database System An application where only one user accesses the database at a given time is an example of a(n) ________ . multiuser database application single-user database application e-commerce database application data mining database application multiuser database application single-user database application e-commerce database application data mining database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Relational database Hierarchical database Distributed database Network database Relational database Hierarchical database Distributed database Network database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system can do more than a record management system None of the listed here allows simultaneous access to multiple files Both of the listed here can do more than a record management system None of the listed here allows simultaneous access to multiple files Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relational database management (RDBM) package manages data in more than one file at once. How does it organize these file? As None of these tuple relations both (a) and (b) tables None of these tuple relations both (a) and (b) tables ANSWER DOWNLOAD EXAMIANS APP
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? Supertype entity Instance entity Archetype entity Subtype entity Supertype entity Instance entity Archetype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the columns are sometimes called "attributes". False True False True ANSWER DOWNLOAD EXAMIANS APP
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