SAP HANA is an in-memory data platform that can be integrated on both on-premise, or in the cloud. It is an innovative platform that is best suited for performing real-time analytics and developing and deploying real-time applications.
Learning SAP HANA all by yourself might be difficult, so sources like Books, Blogs, Practice Exam which will assist you in learning.
SAP Education gives a list of sample questions that can help you study. These questions appeared on past tests and gave a good indication of the subjects and varieties of questions you can find on the current exam. In addition to this, erpprep.com site provides best sets of sample questions with answers and explanations for various SAP certifications. At Erpprep.com you can find out both free and premium practice exam. This exam has questions close to the actual exams and an ambiance that makes you feel that you are giving the real exam.