On Sun, Sep 19, 2010 at 6:33 PM, Simon Slavin <[email protected]> wrote:
> > On 19 Sep 2010, at 8:42pm, Florian Weimer wrote: > > > In standard SQL, you cannot write > > > > expr1 IS expr2 > > How does this differ from > > (expr1) = (expr2) > If expr1 and expr2 both evaluate to NULL then (expr1) IS (expr2) is true but (expr1)=(expr2) is NULL. > > ? > > Simon. > _______________________________________________ > sqlite-users mailing list > [email protected] > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > -- D. Richard Hipp [email protected] _______________________________________________ sqlite-users mailing list [email protected] http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
