clear y=$4.1234 ? CAST(m.y AS C(4)) ,"Expected .NULL." at 20 ? CAST(m.y AS C(9)) ? CAST(m.y AS C(20)) y=$123412345 ? CAST(m.y AS C(4)) ,"Expected .NULL." at 20 ? CAST(m.y AS C(10)) ,"Expected 123412345 or Expected .NULL." at 20 ? CAST(m.y AS C(20)) y=$1234.1234 ? CAST(m.y AS C(4)) ,"Expected .NULL." at 20 ? CAST(m.y AS C(10)) ? CAST(m.y AS C(20)) y=-$1234.1234 ? CAST(m.y AS C(4)) ,"Expected .NULL." at 20 ? CAST(m.y AS C(9)) ,"Expected .NULL." at 20 ? CAST(m.y AS C(20)) ,"Expected |-1234.1234 |" at 20