Du kan göra detta med ett skapa schema uttalande:
create schema authorization [schema name]
create table department
( code varchar2(3) primary key,
name varchar2(40) not null,
chair varchar2(11),
constraint departmentChairFk foreign key(chair) references facultyStaff(staffId) on delete set null
)
create table facultyStaff
( staffID varchar2(5) primary key,
dob date,
firstName varchar2(20),
lastName varchar2(20),
rank varchar2(10),
deptCode varchar2(3),
constraint rankValue check (rank in ('Assistant', 'Associate', 'Full', 'Emeritus')),
constraint facultyDeptFk foreign key (deptCode) references department (code)
)
create table student
( studentId varchar2(5) primary key,
dob date ,
firstName varchar2(20),
lastName varchar2(20),
status varchar(10),
major varchar(3),
constraint statusValue check (status in ('Freshman', 'Sophomore', 'Junior', 'Senior', 'Graduate')),
constraint studentMajorFk foreign key (major) references department (code)
);