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Exam TDVCL1 topic 1 question 43 discussion

Actual exam question from Teradata's TDVCL1
Question #: 43
Topic #: 1
[All TDVCL1 Questions]

Which statement is true about both Primary Key and Primary Index?

  • A. They are hashed.
  • B. They must be defined.
  • C. They are the same concept.
  • D. They can be made up of multiple columns.
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Suggested Answer: D 🗳️
by lmtome44 at Dec. 3, 2023, 10:12 p.m.

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lmtome44
1 year ago
D. They can be made up of multiple columns. Both primary keys and primary indexes can be made up of multiple columns, a concept known as a composite primary key or composite primary index. This is particularly useful for tables where a single column may not be able to uniquely identify each record.
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