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Oracle

1Z0-082 · Question #41

Examine this SQL statement: SELECT cust_id, cust_last_name "Last Name" FROM customers WHERE country_id = 10 UNION SELECT cust_id CUST_NO, cust_last_name FROM customers WHERE country_id = 30 Identify…

The correct answer is A. ORDER BY "Last Name" B. ORDER BY 2, 1 C. ORDER BY 2, cust_id. See the full explanation below for the reasoning.

SQL and PL/SQL

Question

Examine this SQL statement:

SELECT cust_id, cust_last_name "Last Name" FROM customers WHERE country_id = 10 UNION SELECT cust_id CUST_NO, cust_last_name FROM customers WHERE country_id = 30 Identify three ORDER BY clauses, any one of which can complete the query successfully. (Choose three.)

Options

  • AORDER BY "Last Name"
  • BORDER BY 2, 1
  • CORDER BY 2, cust_id
  • DORDER BY CUST_NO
  • EORDER BY "CUST_NO"

How the community answered

(25 responses)
  • A
    76% (19)
  • D
    8% (2)
  • E
    16% (4)

Topics

#UNION#ORDER BY#column aliases#set operators

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