This document discusses creating calculated fields in a database table called PERSONAL. It creates the table with fields for code, name, birthdate, and age. It then shows examples of calculated fields to display a person's age in years and as a numeric age plus "AÑOS". Records are inserted into the table for testing.

1. PRACTICA DE CAMPOS CALCULADOS
CREATEDATABASE ALUMNOS
USE ALUMNOS
CREATETABLE PERSONAL(
CODPER NVARCHAR(20)PRIMARYKEYNOTNULL,
NOMBPER NVARCHAR(50)NOTNULL,
FEC_NAC NVARCHAR(50)NOTNULL,
EDA NVARCHAR(50)NOTNULL
)
--CAMPO CALCULADO EDAD 2
SELECT NOMBPER,FEC_NAC,YEAR(GETDATE())-YEAR(FEC_NAC)AS EDAD FROM PERSONAL
--EDAD+AÑOS 3
SELECT NOMBPER,STR(YEAR(GETDATE())-YEAR(FEC_NAC))+'AÑOS'AS EDAD FROM
PERSONAL
--PERSONAS Q NACIERON 4
SELECT NOMBPER,FEC_NAC FROM PERSONAL
WHERE FEC_NAC='12/10/1991'
-- 5
insertinto PERSONAL(CODPER,NOMBPER,FEC_NAC)values('0001','VALDIVIA
ANDRESA','12/09/1970')
insertinto PERSONAL(CODPER,NOMBPER,FEC_NAC)values('0002','PONCE
ANGEL','12/10/1991')
insertinto PERSONAL(CODPER,NOMBPER,FEC_NAC)values('0003','JIMENES
DAMIAN','5/08/1870')
insertinto PERSONAL(CODPER,NOMBPER,FEC_NAC)values('0004','SANZ
CIELO','20/12/2000')