1.(a)Write down a pair of enterprise rules which would define a 1:many
relationship ‘TaughtBy’, in the direction Course to Lecturer.
(b)Express your rules in the form of determinancy constraints, assuming Course and
Lecturer have identifiers courseNo and lecturerName, respectively.(1min)
2.What is the minimum number of relationship occurrences which must be deleted
from Fig. 9.1b to make the resulting diagram consistent with a 1:1 relationship? Does
the resulting diagram necessarily imply a 1:1 relationship?(1 min)
3.What is the minimum number of relationship occurrences which must be deleted
from Fig. 9.1c to make the resulting diagram ...
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