Introduction to Database System The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A number of related records that are treated as a unit is called file field data batch file field data batch ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When you have finished entering information into a form the contents of the form are written to the data file the template is written to the data file All of the listed here the contents of the form can be printed the contents of the form are written to the data file the template is written to the data file All of the listed here the contents of the form can be printed ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file renewing restructuring Updating upgrading renewing restructuring Updating upgrading 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 Strong entity ID-dependent entity ID- independent entity Weak entity Strong entity ID-dependent entity ID- independent entity ANSWER DOWNLOAD EXAMIANS APP
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 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
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