A pair of frequencies is called a ________

Access does not require that every table has a primary key

Indicate whether the statement is true or false

You created a PivotTable and later made changes to values in the underlying data. What happens to the PivotTable?

A) Excel gives an error message that data has changed and the PivotTable may no longer be accurate. B) Changes in the dataset do not affect the PivotTable until you refresh the PivotTable. C) The PivotTable updates automatically when you make changes to the dataset. D) Excel deletes the PivotTable automatically so you can recreate it.