This blog post describes the features of ADSO’s and how to use them.
View details on http://scn.sap.com/community/bw-hana/blog/2015/07/10/sap-hana–advanced-dso-features
SUMMARY
Our experience with Advanced DSO’s is good; we did not encounter severe problems. Everything worked after we gain the knowledge how to use it.
thx 2 mario