HANA is 100% ACID compliant. If this is TRUE, Is HANA will be going to replace Oracle Database as HANA will be supporting to OLAP and OLTP transactions? OR is it going to be used by only SAP applications?
Yes HANA is 100% ACID complaint and is running OLAP and OLTP (More to come in 2013) simultaneously and at lighting fast speed. HANA is meant for SAP and Non-SAP customers and both can leverage full potential of HANA.
There are other in-memory databases from Oracle and Teradata (there may be some other products which I don't know). Are others NOT 100% ACID compliant?
Why HANA is better than other in-memory databases in the market?
yes there are other IMDB in market and those are also 100% ACID compliant, but with HANA - there are various other feature like (Massive scale-out capability from 1 TB to 1PB, HANA supports Massive parallel Processing and more over HANA is a Database which have (ROW Store + Column Store), HANA with new release now HANA is evolving as a Platform with lightning fast Database - which others don't have yet - that makes her(HANA) the best of all, I would suggest you to follow the following links:
I am not a Sybase DB user, and nor a DBA or Analyst, in general every DB product in the market is having good future it just depends how a DB perform under a particular business case. and if a particular DB starts delivering 100% in each business case and industry vertical's then that's called Innovation and development - and I don't think its wrong .
SAP HANA is now primarily used by the cutomers who have the money and time to built their Business logic. Data source from any system can be uploaded into SAP HANA DB.
SAP would be very happy for that to happen, and HANA is well and suited to be in that position. But with hardware being cheap, still not cheap enough, budget conscious executive might still fall back to traditional DB.
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