Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called database None of these data field data file data record database None of these data field data file data record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? query language None of these report writer transaction log data manipulation language query language None of these report writer transaction log data manipulation language 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 if high, reduces processing efficiency for sequential and nonsequential files refers to how closely the files fits into the allocated None of these is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run if high, reduces processing efficiency for sequential and nonsequential files refers to how closely the files fits into the allocated None of these is a low percentages of number of records added or deleted from a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is always an equation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in a sequential file None of these a tree file a hashed file an indexed file a sequential file None of these a tree file a hashed file an indexed file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. None of these Many-to-many relationship One-to-many relationship Many-to-one relationship One-to-one relationship None of these Many-to-many relationship One-to-many relationship Many-to-one relationship One-to-one relationship ANSWER DOWNLOAD EXAMIANS APP
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