单选题

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

来源:www.examk.com

答案解析

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