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Which of the following commands is used to get the number of fields in a hash?

24. Which of the following commands is used to get the number of fields in a hash?

  1. HDEL key field2 [field2]
  2. HKEYS key
  3. HVALS key
  4. HLENS key

Answer: D) HLENS key

Explanation:

HLENS key command is used to get the number of fields in a hash.

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