Introduction to Database System The activity of a file if high, reduces processing efficiency for sequential and nonsequential files None of these is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file if high, reduces processing efficiency for sequential and nonsequential files None of these is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. False True False True 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 both (a) and (b) relations tuple tables None of these both (a) and (b) relations tuple tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: foreign keys. candidate keys. composite keys. determinants. foreign keys. candidate keys. composite keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a calculation is embedded in a form the calculations are stored with the form all of the listed here the result of the calculations are printed in report the result of the calculations are stored with the form the calculations are stored with the form all of the listed here the result of the calculations are printed in report the result of the calculations are stored with the form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system might consist of application programs and a software package called BPL TOTAL AUTOFLOW FORTRAN BPL TOTAL AUTOFLOW FORTRAN ANSWER DOWNLOAD EXAMIANS APP
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