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ibps-so 2023 · Question 293 of 323

Which of the following statements regarding Super Key and Primary Key is incorrect?

  1. AEvery primary key is a super key.
  2. BA super key may contain additional attributes not required for unique identification.
  3. CA table can have multiple super keys.
  4. DEvery super key is selected as the primary key of a table.Correct
  5. EA primary key uniquely identifies each record in a table.

Answer: D. Every super key is selected as the primary key of a table.

Official answer key verified. Detailed explanation coming soon.

Source: IBPS SO IT Officer Mains Memory Based 2023 (held 28 Jan 2024) - Adda247 · memory-based

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