>SELECT cnosecretaraitSocial,COUNT(cnosecretaraitSocial) AS cntSoc FROM Employee GROUP BY cnosecretaraitSocial INTO CURSOR cSocial
>SELECT cNom,cnosecretaraitSocial,cSocial.cntSoc;
>       FROM Employee;
>       LEFT JOIN cSocial ON cnosecretaraitSocial == cSocial.cnosecretaraitSocial;
>       GROUP BY cNom
>