Human interface design is performed during: A) systems ...

[jhjkgdfhk]

Human interface design is performed during:
 
  A) systems planning and selection.
  B) systems analysis.
  C) systems design.
  D) systems implementation and operation.
  E) requirements structuring.

Question 2

The value of a key attribute in a relation must uniquely identify every row in the relation.
 
  Indicate whether the statement is true or false

[potomatos]

Answer to Question 1

C
Explanation: C) Both designing the human interface and designing databases are part of the systems design phase of SDLC.
CL

Answer to Question 2

TRUE
Explanation: This is because in a relation, each row must be unique. This primary key ensures that each row is unique.
CL

[jhjkgdfhk]

Wow, this really help

[kswal303]

Thanks for the timely response, appreciate it