Multitenant architecture makes consolidation far more efficient and has been shown to use 6x less memory and to be 5x more scalable. With Oracle Multitenant you can manage many databases as one and in the process dramatically reduce the time and effort required to manage your database environment. Oracle Automatic Data Optimization features a heat map used to dynamically compress and tier data based upon its usage. Oracle Database security solutions provide defense-in-depth for maximum security.  New features like data redaction and masking at the database level make protecting sensitive information easier than ever.