Author Question: The primary task of the ________ phase of the traditional SDLC is to determine the user requirements ... (Read 84 times)

saliriagwu · **on:** Jul 7, 2018

The primary task of the ________ phase of the traditional SDLC is to determine the user requirements of the new system.

A) maintenance
B) design
C) implementation
D) analysis
E) investigation

Question 2

If a 1:M relationship is optional on the 1 side and mandatory on the M side, which of the following is true?

A) The resulting foreign key can have null (empty) values
B) The resulting foreign key cannot have null (empty) values
C) The resulting foreign key must have null (empty) values
D) No foreign key is created as a result of mapping such a relationship