SQL Wybór warunku z lewym połączeniem
SELECT
person.name, job.name, job.status 'I want all people and display a job if it is current and not past'
FROM
person
LEFT JOIN
job ON person.id=job.personId AND job.status = 'current';
'Will Display this'
Bob : Plumber : current
Jane : Driver : current
Mike : Cook : current
John : :
Mary : :
Little-kinder