SQL Queries: Employees, Jobs, and Departments

SELECT * FROM tab;
Desc employees;
desc jobs;
select first_name, last_name, salary, job_title
from employees, jobs
WHERE jobs.job_id = employees.job_id
/
select first_name, last_name,job_title,start_date,end_date,department_name
FROM employees, jobs,job_history,departments
WHERE job_history.employee_id=employees.employee_id
and job_history.job_id=jobs.job_id
and job_history.department_id=departments.department_id
/
Resultado del Script 1
Resultado del Script 2
Resultado del Script 3
Resultado del Script 4
Resultado del Script 5
https://oracle-base.com/articles/misc/sqlxml-sqlx-generating-xml-content-using-sql
https://codebeautify.org/xmlvalidator