Returns the number of rows operated upon by the latest query execution.
property RowsAffected: Integer;
Inspect RowsAffected to determine how many rows were updated or deleted by the last query
operation. If no rows were updated or deleted, RowsAffected has a value of zero.
RowsAffected will have a value of –1 if the execution of the SQL statement could not be
executed due to an error condition. This latter situation would typically follow the raising of an