Oracle is now a big player in the Linux community. Vetical integration is a trend in the computer world. IBM, Oracle, Microsoft, HP, Dell, Cisco, VMware, EMC and other big players in the IT field are doing great works in integrating softwares and even hardwares. Different layers of system share the same problems like performance, security, scalability, high availability, backup/recovery, replications, easy of use, cache, and others. The trend is pulled by customer requirements and driven by new hard ware technologies.   A series of presentations given by Oracle:A BrightTALK Channel