Inserting a new employee 30, F, Null, 9 into the Table Employee. If it is rejected, explain.

EMPLOYEE( EmployeeID, EmployeeName, SupervisorID, DepartmentID)

PROJECT (ProjectID, EmployeeID)

DEPARTMENT( Department ID, DepartmentName)

CREATE TABLE EMPLOYEE

( EmployeeID INT PRIMARY KEY,

EmployeeName VARCHAR(50) NOT NULL,

SupervisorID INT DEFAULT 9,

DepartmentID INT,

FOREIGN KEY (SupervisorID) REFERENCES EMPLOYEE (EmployeeID)

ON DELETE SET DEFAULT ),

FOREIGN KEY (DepartmentID) REFERENCES DEPARTMENT(DepartmentID)

ON UPDATE SET NULL);

CREATE TABLE PROJECT (

ProjectID INT PRIMARY KEY,

EmployeeID INT DEFAULT 9,

FOREIGN KEY (EmployeeID) REFERENCES EMPLOYEE (EmployeeID)

ON UPDATE CASCADE);

CREATE TABLE DEPARTMENT(

DepartmentID INT PRIMARY KEY,

DepartmentName VARCHAR(50),

);

EMPLOYEE

EmployeeID	EmployeeName	SupervisorID	DepartmentID
6	A	7	6
7	B	7	6
1	C	8	7
8	D	9	3
9	E	NULL	6

PROJECT

ProjectID	EmployeeID
1	6
2	7
3	1
4	8
5	7
6	1

DEPARTMENT

DepartmentID	DepartmentName
3	X
6	Y
7	Z