The MDX functions that are listed
here indicate their return type.
returns TRUE if the
evaluated expression is an empty cell value. Otherwise, FALSE is returned. IsEmpty(<Value Expression>)
returns TRUE if two
compared objects are equivalent. Otherwise, FALSE is returned. <Object 1>IS Null
<Object 1>IS
<Object 2>
returns TRUE if a specified
member is an ancestor of another specified member. Otherwise, FALSE
is returned. IsAncestor(<Member1>,<Member2>)
returns TRUE if a specified
member is a leaf member. Otherwise, FALSE is returned. IsLeaf(<Member>)
returns TRUE if a specified
member is a sibling of another specified member. Otherwise, FALSE
is returned. IsSibling(<Member1>,<Member2>)