Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? None of these removing flagged records for deletion creating and maintaining the data dictionary monitoring performance creating the physical and logical designs None of these removing flagged records for deletion creating and maintaining the data dictionary monitoring performance creating the physical and logical designs ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: tables. relations. attributes. rows. tables. relations. attributes. rows. 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 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 is a measure of the percentage of existing records updated during a run None of these 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 A report form is used during report generation to format data appears on the computer monitor during data entry both (a) and (b) All of these None of these is used during report generation to format data appears on the computer monitor during data entry both (a) and (b) All of these None of these 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? Bits Data field None of the listed here Characters Bits Data field None of the listed here Characters ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is a two-dimensional table. True False True False ANSWER DOWNLOAD EXAMIANS APP
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