The version managcmcnt system can help to solve a
concrctc problem which WC introduce with an example.
A student, a faulty and a diploma have respectively a
number as idcutificr and a name. A diploma is dclivcred
by only one faculty. A student can be inscribed at only
one diploma d and in only one faculty, which must bc
the faculty delivering the diploma d. In order to avoid
any redundancy the relational schema will be