Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True 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 is a low percentages of number of records added or deleted from a file None of these refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run is a low percentages of number of records added or deleted from a file None of these refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Entities Relationships Attributes Identifiers Entities Relationships Attributes Identifiers ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has data and relationships. True False True False 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 _____. Index Delete Sort Key Update Index Delete Sort Key Update ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. False True False True ANSWER DOWNLOAD EXAMIANS APP
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