1
GATE AI 2025
MCQ (More than One Correct Answer)
+2
-0
Consider the following two relations, named Customer and Person, in a
database:
Person (
aadhaar CHAR(12) PRIMARY KEY, name VARCHAR(32));
Customer (
name VARCHAR(32), email VARCHAR(32) PRIMARY KEY, phone CHAR(10), aadhaar CHAR(12), FOREIGN KEY (aadhaar) REFERENCES Person(aadhaar)); Which of the following statements is/are correct?
2
GATE AI 2025
MCQ (More than One Correct Answer)
+2
-0
Consider a database relation $R$ with attributes ABCDEFG , and having the following functional dependencies:
$$ \mathrm{A} \rightarrow \mathrm{BCEF} \quad \mathrm{E} \rightarrow \mathrm{DG} \quad \mathrm{BC} \rightarrow \mathrm{~A} $$
Which of the following statements is/are correct?
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