blescouet wrote:

>
> All the constraints prevents this modification, or just some types of
> them (primary key, foreign keys, check, references in triggers and SP,
> ...) ? I want to know if I must drop all the constraints, or if I can
> choose some of them ?

Primary and foreign key - it's a problem with the index created by the
constraint, and only those two styles of constraint create indexes.


Regards,


Ann