This video demonstrates one of the ways to query hierarchical data from Oracle.
For more information see:
https://oracle-base.com/articles/11g/...
Website: https://oracle-base.com
Blog: https://oracle-base.com/blog
Twitter: / oraclebase
Cameo by Jeff Smith
Blog: http://www.thatjeffsmith.com
Twitter: / thatjeffsmith
Cameo appearances are for fun, not an endorsement of the content of this video.