FIGURA5.4, Sql Server

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--Sql Server 2014 Express Edition
--Batches are separated by 'go'

select @@version as 'sql server version'

CREATE TABLE [dbo].[PERSON](
    [P_ID] [nvarchar](255) Primary Key NOT NULL,  --PK
    [P_LNAME] [nvarchar](255) NULL,
    [P_FNAME] [nvarchar](255) NULL,
    [P_IS_EMP] [nvarchar](255) NULL,
    [P_IS_STU] [nvarchar](255) NULL   
    )
    
CREATE TABLE [dbo].[EMPLOYEE](
    [P_ID] [nvarchar](255) Primary Key NOT NULL,  --PK 
    [EMP_HERE_DATE][nvarchar](255) NULL,
    [EMP_IS_ADM][nvarchar](255) NULL,
    [EMP_IS_PROF][nvarchar](255) NULL
    ) 
    
CREATE TABLE [dbo].[STUDENT](
    [P_ID] [nvarchar](255) Primary Key NOT NULL,  --PK 
    [STU_MAJOR][nvarchar](255) NULL,
    [STU_TYPE][nvarchar](255) NULL
    ) 
  
CREATE TABLE [dbo].[ADMINISTRATOR](
    [P_ID] [nvarchar](255) Primary Key NOT NULL,  --PK 
    [ADM_TITLE][nvarchar](255) NULL
    ) 
  
CREATE TABLE [dbo].[PROFESSOR](
    [P_ID] [nvarchar](255) Primary Key NOT NULL,  --PK 
    [PROF_RANK][nvarchar](255) NULL    
    )   
    
CREATE TABLE [dbo].[GRADUATE](
    [P_ID] [nvarchar](255) Primary Key NOT NULL,  --PK 
    [GRAD_THESIS][nvarchar](255) NULL
    )
    
CREATE TABLE [dbo].[UNDERGRAND](
    [P_ID] [nvarchar](255) Primary Key NOT NULL,  --PK 
    [UND_HOURS][nvarchar](255) NULL
    )
 GO
 
 
INSERT INTO [dbo].[PERSON] VALUES ('4593', 'Luna', 'Carlos', ' ', ' '),
                                  ('5698', 'Vargas', 'Arturo', ' ', ' '),
                                  ('7893', 'León', 'Jorge', ' ', ' ')
                                  
                                  
INSERT INTO [dbo].[EMPLOYEE] VALUES('4593','2020-04-21 13:05', ' ', ' '),
                                   ('5697','2020-07-07 16:02', ' ', ' '),
                                   ('7893','2020-08-01 17:55', ' ', ' ')

INSERT INTO [dbo].[STUDENT] VALUES ('4593', '  ', ' '),
                                   ('5697', '  ', ' '),
                                   ('7893', '  ', ' ')
                                   
                                   
INSERT INTO [dbo].[ADMINISTRATOR] VALUES('4593', '  '),
                                        ('5697', '  '),
                                        ('7893', '  ')

INSERT INTO [dbo].[PROFESSOR] VALUES('4593', '  '),
                                    ('5697', '  '),
                                    ('7893', '  ')

INSERT INTO [dbo].[GRADUATE] VALUES('4593', '  '),
                                   ('5697', '  '),
                                   ('7893', '  ')
                                   
                                   
INSERT INTO [dbo].[UNDERGRAND] VALUES('4593', '  '),
                                     ('5697', '  '),
                                     ('7893', '  ')
                                                                                                                                      
select * from PERSON
select * from EMPLOYEE
select * from STUDENT
select * from ADMINISTRATOR
select * from PROFESSOR
select * from GRADUATE
select * from UNDERGRAND

View schema
Execution time: 0,03 sec, rows selected: 22, rows affected: 21, absolute service time: 0,2 sec, absolute service time: 0,2 sec