Código SQL [-] select T1.ID1, T1.COL12, T1.COL13, T2.ID2, T2.COL22, T2.COL23, T3.ID3, T3.COL32, T3.COL33 from Tabla1 T1 left join Tabla2 T2 on T1.ID_TABLA2 = T2.ID2 left join Tabla3 T3 on T1.ID_TABLA3 = T3.ID3
select T1.ID1, T1.COL12, T1.COL13, T2.ID2, T2.COL22, T2.COL23, T3.ID3, T3.COL32, T3.COL33 from Tabla1 T1 left join Tabla2 T2 on T1.ID_TABLA2 = T2.ID2 left join Tabla3 T3 on T1.ID_TABLA3 = T3.ID3