You have not mentioned your number of years of experience in Datawarehousing tools and also it is important to know how much involved you are in OLAP-Cognos, OFA and ETL-Datastage. Is it just a small exposure or involved in depth. Also you must understand is why you want to switch over to SAP-BI. Data Warehousing itself has a good future provided you are technically involved in it and have interest to grow along with it. What IT degree(s) you hold? Yes, you can learn SAP-BI because you are already involved in high end activities of Data Warehousing (I presume!) Pre-Requisites to learn SAP-BI shall be good at complex query writing, complex code writing, databases, database design, database structures, understanding of business and business needs, and SAP product.

You have not mentioned your number of years of experience in Datawarehousing tools and also it is important to know how much involved you are in OLAP-Cognos, OFA and ETL-Datastage. Is it just a small exposure or involved in depth. Also you must understand is why you want to switch over to SAP-BI. Data Warehousing itself has a good future provided you are technically involved in it and have interest to grow along with it. What IT degree(s) you hold? Yes, you can learn SAP-BI because you are already involved in high end activities of Data Warehousing (I presume!) Pre-Requisites to learn SAP-BI shall be good at complex query writing, complex code writing, databases, database design, database structures, understanding of business and business needs, and SAP product.