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Consider the following database information:
domain s_id: integer
domain grd: fixed length character string length 1
STUDENT_GRADE(
Student_Number: s_id NOT NULL
Grade: grd )
Primary Key Student_Number
During which phase of the database design process would this information be developed?
Suggested Answer: A
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12 comments · newest first
KA
Kaitlyn
1 month ago
I lean towards C) Conceptual. It's the initial design phase.
LE
Leonor
1 month ago
I feel it's B) Physical. It's about actual data storage.
JE
Jess
2 months ago
I think it's A) Logical. Makes sense for structure.
CA
Carey
2 months ago
I’m surprised this isn’t in the Implementation phase!
IV
Ivory
2 months ago
No doubt, it’s all about relationships and constraints here.
IS
Isaiah
2 months ago
Wait, isn’t this also relevant in the Conceptual phase?
KA
Katina
2 months ago
I agree, it’s all about defining the structure.
ME
Melvin
2 months ago
This is definitely part of the Logical phase.
FE
Felicia
3 months ago
I’m a bit confused; I thought the conceptual phase was about high-level design, but this feels more detailed.
BE
Beatriz
3 months ago
This seems similar to a practice question we did on database schemas, and I believe it was also about logical design.
LE
Lemuel
3 months ago
I'm not entirely sure, but I remember something about the physical phase dealing with how data is stored, so it can't be that.
CA
Cassie
3 months ago
I think this might be part of the logical design phase since it involves defining the structure of the data.