Grupy w APEXie
http://www.avout.com/avout-blog/using-groups-application-express
REST services
http://docs.oracle.com/cd/E37099_01/doc/doc.20/e25066/toc.htm
JavaScritp Apex
https://apex.oracle.com/pls/apex/f?p=31517
APEX installation
http://docs.oracle.com/cd/E37097_01/doc/install.42/e35123/toc.htm
Creating new workspace and assigning a schema to it.
