Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called database data field None of these data record data file database data field None of these data record data file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data security threats include fraudulent manipulation of data privacy invasion all of the listed here hardware failure fraudulent manipulation of data privacy invasion all of the listed here hardware failure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not a restriction for a table to be a relation? The cells of the table must contain a single value. The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. The cells of the table must contain a single value. The columns must be ordered. All of the entries in any column must be of the same kind. No two rows in a table may be identical. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ternary relationship is so called because in contains two entities and one association between them. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows All of these None of these SELECT UNIQUE SELECT DISTINCT SELECT DIFFERENT All of these None of these SELECT UNIQUE SELECT DISTINCT SELECT DIFFERENT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have a row in common they have no records with the same value in the common field both (b) and (c) None of these they have a field in common they have a row in common they have no records with the same value in the common field both (b) and (c) None of these they have a field in common ANSWER DOWNLOAD EXAMIANS APP
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