Question

The ER diagram below has which of the following properties (check all that apply) 1 Client orders Project a) b) c) d) e) A project can exist with no client who orders it Aclient can exit who does not order a project A project can be order by 2 clients A client can order 2 projects None of the above are true

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Answer #1

a) is true, as there is no totality or surjectivity (double lines) on client side.

b) is false as double lines are there in project side, so client must have atleast one project

c) True --- its Many to one relationship

d) False... One client can have only one project

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