Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? DB2 R:base IDMS dBase-II DB2 R:base IDMS dBase-II 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. File structure Fields Records Database File structure Fields Records Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? Weak entity ID- independent entity ID-dependent entity Strong entity Weak entity ID- independent entity ID-dependent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data security threats include fraudulent manipulation of data privacy invasion all of the listed here hardware failure fraudulent manipulation of data privacy invasion all of the listed here hardware failure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of a list of keys None of these All of these pointers to the master list both (a) and (b) a list of keys None of these All of these pointers to the master list both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An Enterprise Resource Planning application is an example of a(n) ________ . data mining database application 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 ANSWER DOWNLOAD EXAMIANS APP