mysql中left join多表联查询语句

select c.nom, e.nom  
from consultant c, affaire a, besoin b, salarie sa, site s, entreprise e 
where c.consultant_id=a.consultant_id and a.besoin_id=b.besoin_id and  
b.salarie_id=sa.salarie_id and ssa.site_id=s.site_id and s.entreprise_id=e.entreprise_id 

SELECT
A.ID, A.NUMBER, A.PRICE, A.ORDER_TIME, B.USER_ID, B.STARTIME, B.STOPTIME,
C.CHANNEL_PAY, D.COMPANY
FROM
D表 D
LEFT JOIN
A表 A ON A.COMPANY_ID = D.UID
LEFT JOIN
B表 B ON B.COMPANY_ID = D.UID
LEFT JOIN
C表 C ON C.COMPANY_ID = D.UID
有条件的再加行：
WHERE ……….
排序(如A表的ID由大到小排):
ORDER BY A.ID DESC

select c.nom, e.nom  from consultant c  inner join affaire a on c.consultant_id=a.consultant_id  inner

join besoin b on a.besoin_id=b.besoin_id  inner join salarie sa on b.salarie_id=sa.salarie_id  inner

join site s on ssa.site_id=s.site_id  inner join entreprise e on s.entreprise_id=e.entreprise_id