text: USE Relations
  
  CREATE TABLE Teachers
  (
  	TeacherID INT IDENTITY(101,1),
  	[Name] VARCHAR(32) NOT NULL,
  	ManagerID INT
  )
  
  ALTER TABLE Teachers
  ADD CONSTRAINT PK__Teacher_Id
  	PRIMARY KEY (TeacherID),
  	CONSTRAINT FK__Teachers_ManagerID__Teachers_TeacherID
  	FOREIGN KEY (ManagerID)	REFERENCES Teachers(TeacherID)
  