Introduction to Database System A computer file can be best described as a random collection of data items an orderly collection of data items a single data item None of these a general collection of data items a random collection of data items an orderly collection of data items a single data item None of these a general collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Table is synonymous with the term: field. record. column. relation. field. record. column. relation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file 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 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 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The way a particular application views the data from the data base that the application uses is a : module subschema relational model schema None of these module subschema relational model schema None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): relationship. entity. identifier. attribute. relationship. entity. identifier. attribute. ANSWER DOWNLOAD EXAMIANS APP
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