7.24.3 Rules for specifying a sort specification list in a WITHIN group specification or window order clause
-
Rules for specifying a sort specification list in a WITHIN group specification
-
Set functions are not permitted in a value expression specified as a sort key.
-
-
Rules for specifying a sort specification list in a window order clause
-
Set functions are not permitted in a value expression specified as a sort key.
-
If you specify duplicate sort keys, the first order specification and null-value sort order specification takes precedence.
-