Introduction to Database System The distinguishable parts of a record are called data fields None of these database files data fields None of these database files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? SAVE ZIP COMMIT PACK SAVE ZIP COMMIT PACK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Database Information provider Information tree Directory information Database Information provider Information tree Directory information ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data item characteristics that are important in data management include punctuation language width spelling punctuation language width spelling ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of 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 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 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents an actual occurrence of an associated generalized entity? Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP