retrieve (e.all) from e in EMP retrieve (e.all) from e in EMP where e.age < 40 retrieve (e.all) from e in EMP where e.age < 40 and e.salary = 25600 retrieve (EMP.oid) retrieve (EMP.all) destroy EMP retrieve (e.all) from e in Circle retrieve (EMP.all) retrieve (person.all)append DEPT (dname = "management", floor = 34, manager = "Leroy" append DEPT (dname = "management", floor = 34, manager = "Leroy") retrieve (Hercules1.oid) retrieve (e.all) from e in STUD_EMP retrieve (e.oid) from e in STUD_EMP delete STUD_EMP where STUD_EMP.oid = "218840" create EMP (name = text, salary = int4, age = int4 , dept = char16) create STUD_EMP (location = point) inherits (EMP) append EMP (name = "Joe", salary = 1400, age = 40, dept = "shoe") append EMP (name = "Sam", salary = 1200, age = 29, dept = "toy") append EMP (name = "Bill", salary = 1600, age = 36, dept = "candy") append EMP (name = "Bilal", salary = 1650, age = 36, dept = "candy") append EMP (name = "Sam", salary = 1200, age = 29, dept = "toy") append EMP (name = "Sam", salary = 1200, age = 29, dept = "toy") retrieve (e.all) from e in Circle retrieve (e.all) from e in EMP where e.age < 40 and e.salary = 25600 retrieve (e.all) from e in PART define view empdept (vsalary = e.salary, f.manager) from e in EMP, f in DEPT where f.dname = e.dept destroy empdept retrieve (BOEING747.oid) retrieve (BOEING747.oid,BOEING747.all)