Introduction to Database System The database administration function includes application programming computer operations management database access planning None of these All of these application programming computer operations management database access planning None of these All of these 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 _____. Delete Update Index Sort Key Delete Update Index Sort Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file 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 if high, reduces processing efficiency for sequential and nonsequential files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier typically uses more than one attribute. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key: can only be one column. must always be composed of two or more columns. identifies a column. identifies a row. can only be one column. must always be composed of two or more columns. identifies a column. identifies a row. ANSWER DOWNLOAD EXAMIANS APP
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