PHASE 3 Data are structured -Data are independent Data can be shared via DBMS - Nice user interface Maxium: SELECT Max(Num)FROM Data Average: SELECT Avg(Num)FROM Data 10 PHASE 3 10 – Data are structured – Data are independent – Data can be shared via DBMS – Nice user interface Maxium： SELECT Max(Num) FROM Data Average： SELECT Avg(Num) FROM Data