class OCI8::Metadata::Table

def is_temporary?

Otherwise, +false+.
{temporary table}[http://download.oracle.com/docs/cd/B28359_01/server.111/b28318/schema.htm#i16096].
Returns +true+ if the table is a 
def is_temporary?
  attr_get_ub1(OCI_ATTR_IS_TEMPORARY) != 0
end