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Oracle认证考试

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View the Exhibit and examine the structure of the ORDERS and ORDERJTEMS tables.  Evaluate the following SQL statement:   SELECT oi.order_id, product_jd, order_date   FROM order_items oi JOIN orders o   USING (order_id);   Which statement is true regarding the execution of this SQL statement?()

  • A、 The statement would not execute because table aliases are not allowed in the JOIN clause.
  • B、 The statement would not execute because the table alias prefix is not used in the USING clause.
  • C、 The statement would not execute because all the columns in the SELECT clause are not prefixed with table aliases.
  • D、 The statement would not execute because the column part of the USING clause cannot have a qualifier in the SELECT list.
正确答案:D
答案解析:
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