In this Video, live connection set up from HANA cloud trial instance to SAC trial instance is explained. With that, you can work on SAC trial with live data connection datasources instead of import data.
for hana cloud trial: https://www.sap.com/cmp/td/sap-hana-c...
for SAC trial : https://www.sap.com/cmp/td/sap-analyt...