On 6/5/07, Steve Harris <[EMAIL PROTECTED]> wrote:
if that works then you have a bug. The behaviour of SPARQLs UNION is not very natural from a relation algebra p.o.v., and this may have confused developers familiar with that.
Isn't it just outer union? And isn't outer union just part of SQL 92. And isn't SQL 92 implemented by most (all?) databases.
