Introduction to Database System A good query system both (a) and (b) can be accessed only by data processing professionals None of these can accept English language commands allows non-programmers to access information stored in a database both (a) and (b) can be accessed only by data processing professionals None of these can accept English language commands allows non-programmers to access information stored in a database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file 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 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 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to create a synonym for a schema object? CREATE SAME CREATE SCHEMA CREATE SYNONYM All of the listed here CREATE SAME CREATE SCHEMA CREATE SYNONYM All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A report generator is used to update files print files on paper all of the listed here data entry update files print files on paper all of the listed here data entry ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity. subtype child parent instance subtype child parent instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP