Oracle has supported virtual columns since the first release of version 11g .
virtual channel | Vertebral column | Virtual reality | Column | column | virtual reality | Pioneer Column | California Column | Nelson's Column | Virtual Studio Technology | Virtual Reality | Virtual private network | virtual machine | Virtual Console | Virtual Boy | fifth column | Virtual XI | virtual private network | Virtual Murder | virtual memory | The Durutti Column | Fifth Column (band) | Fifth Column | Virtual Routing and Forwarding | Virtual Network Computing | virtual network | Virtual memory | Virtual Machine | Virtual Light | Virtual LAN |