OCDA Technology Stack diagram lists products that must be installed before installing OCDA. OCDA technology stack consists of Oracle LSH 2.1.3.2 or 2.1.4 , Oracle Business Intelligence Enterprise Edition 10.1.3.4.1, and Informatica Power Center 8.1.1 SP 4 or 8.6.1 HF10. OCDA also supports Oracle Clinical 4.5.3 or 4.6 and Siebel Clinical 8.0.x or 8.1.1 as the data source. Further details of prerequisite software are available in the Installing the Prerequisite Software section of this Installation Guide.