About: http://webisa.webdatacommons.org/146785851

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	So the question changed from ???why is the query slow??? to ???why does the optimizer think, some of the time, that a tablescan is a good idea???.
http://www.w3.org/ns/prov#wasQuotedFrom	allthingsoracle.com