I was doing it tooo fast, so my guilty conscious made me take another look...I made a typefeler in second select (copy paste is mother of..), but it wouldnt work anyways...I guess you want to chop up time for salarys so something like this is what You need (beware this is maybe not exactly Hana syntax )
select
T1.EMPID,
(CASE WHEN T2.DATEFROM < T1.DATEFROM THEN T1.DATEFROM ELSE T2.DATEFROM END) AS DATEFROM,
(CASE WHEN T2.DATETO < T1.DATETO THEN T2.DATETO ELSE T1.DATETO END) AS DATETO,
CC,
SALARY
from T1 inner join T2
ON T1.EMPID = T2.EMPID AND ( T1.DATEFROm BETWEEN T2.DATEFROM AND T2.DATETO
OR T1.DATETO BETWEEN T2.DATEFROM AND T2.DATETO)
I think this is what you need..correct me if I'm wrong, or if I made an error (have no Hana at home so cant check )