It wasn't really mentioned in the article but if you do both {X1,Y1} and {X2,Y2} as full row updates then no you can't end up with a mixed row. http://www.data

It wasn't really mentioned in the article but if you do both {X1,Y1} and {X2,Y2} as full row updates then no you can't end up with a mixed row. http://www.datastax.com/dev/blog/row-level-isolation http://www.datastax.com/dev/blog/row-level-isolation