CIW
1D0-441 · Question #31
Consider the following relation definitions: domain s_id: integer domain grd: fixed length character string length 1 STUDENT_GRADE( Student_Number: s_id Grade: grd ) Primary Key Student_Number Which…
The correct answer is A. Entity integrity. See the full explanation below for the reasoning.
Question
Consider the following relation definitions: domain s_id: integer domain grd: fixed length character string length 1 STUDENT_GRADE( Student_Number: s_id Grade: grd ) Primary Key Student_Number Which integrity constraint is violated in this relation definition?
Options
- AEntity integrity
- BDomain constraint
- CReferential integrity
- DEnterprise constraint
How the community answered
(27 responses)- A78% (21)
- B4% (1)
- C4% (1)
- D15% (4)
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