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Exam 102-400 All Questions

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Exam 102-400 topic 1 question 17 discussion

Actual exam question from LPI's 102-400
Question #: 17
Topic #: 1
[All 102-400 Questions]

Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

  • A. SELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type;
  • B. SELECT order_type,COUNT(*) FROM orders GROUP BY order_type;
  • C. COUNT(SELECT order_type FROM orders);
  • D. SELECT COUNT(*) FROM orders ORDER BY order_type;
  • E. SELECT AUTO_COUNT FROM orders COUNT order_type;
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Suggested Answer: B 🗳️
by kstr at April 11, 2022, 11:38 a.m.

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kstr
2 years, 11 months ago
non LPIC question
upvoted 2 times
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