Aspire Faculty ID #12681 · Topic: JECA MCA 2024 · Just now
JECA MCA 2024

Which of the following statements about primary key in a database table is true?

Solution

Solution: A table can have only one primary key, it cannot contain NULLs. Its main property: uniquely identifies each record.
Answer: (B) A primary key uniquely identifies each record in a table

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