About: http://webisa.webdatacommons.org/406716220

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	The ALTER TABLE statement can be used to add and remove new columns to a table, changing column properties, data types and constraints.
http://www.w3.org/ns/prov#wasQuotedFrom	dotnetheaven.com