Introduction to Database System A _____ Contains fields of data about one entity. Fields File Document Record None of these Fields File Document Record None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True 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 Index Sort Key Update Delete Index Sort Key Update ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if All of these a large computer system is available None of these only a small computer system is available only a few transactions are involved All of these a large computer system is available None of these only a small computer system is available only a few transactions are involved 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 refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file None of these if high, reduces processing efficiency for sequential and nonsequential files 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 None of these if high, reduces processing efficiency for sequential and nonsequential files ANSWER DOWNLOAD EXAMIANS APP
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