Assume that these are the only permissible values for a finite list of vehicle types (VEH_TYPE). This is knows as a what? ________________________________

In order to avoid nulls in the EMPLOYEE table, _______________________ can be used

Given the null values in VEH_ID on EMPLOYEE, do the two tables exhibit referential integrity? _________ (yeso) Do they exhibit entity integrity? _________ (yeso)

Table Name: FLEET Table Name: EMPLOYEE VEH ID VEH TYPE EMP CODE L NAME VEH ID 10 20 30 40 50 60 70 80 90 Davolio Grubb Leverling Penn Buchanan Smith King Callahan Dodsworth 1 Truck-FLOATER Truck Truck Truck Truck Van Line ServiceTruck 4 3 4 6