Introduction to Database System An operation that will increase the length of a list is Look-up Insert Modify All of the listed here Look-up Insert Modify All of the listed here 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) ________ . single-user database application data mining database application e-commerce database application multiuser database application single-user database application data mining database application e-commerce database application multiuser database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data base record field data item data base record field data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If the record management system allows you to edit values before they are recorded on disk, you can All of the listed here change the name of a field change the width of a field correct spelling changes before they are recorded All of the listed here change the name of a field change the width of a field correct spelling changes before they are recorded ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? Characters Bits None of the listed here Data field Characters Bits None of the listed here Data field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file is a measure of the percentage of existing records updated during a run None of these if high, reduces processing efficiency for sequential and nonsequential files is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated is a measure of the percentage of existing records updated during a run None of these if high, reduces processing efficiency for sequential and nonsequential files is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated ANSWER DOWNLOAD EXAMIANS APP
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