As we keep receiving many queries on the difference between some of the most popular SAS certifications. And most of the time we also get some confused students, who end up choosing wrong certifications. Although, all of the SAS certifications are different, however, many of them over loop each other in term of the body of knowledge. Say SAS base and Clinical Trials has some topics in common. In this article, we have tried to cover almost all popular certification from the most prestigious analytics organization