Oracle
1Z0-047 · Question #61
View the Exhibit and examine the structure of the ORDERS and ORDER_ITEMS tables. Evaluate the following SQL statement: SELECT oi.order_id, product_id, order_date FROM order_items oi JOIN orders o…
The correct answer is D. The statement would not execute because the column part of the USING clause cannot have a qualifier. See the full explanation below for the reasoning.
Question
View the Exhibit and examine the structure of the ORDERS and ORDER_ITEMS tables. Evaluate the following SQL statement:
SELECT oi.order_id, product_id, order_date FROM order_items oi JOIN orders o USING(order_id); Which statement is true regarding the execution of this SQL statement?
Exhibit
Options
- AThe statement would not execute because table aliases are not allowed in the JOIN clause.
- BThe statement would not execute because the table alias prefix is not used in the USING clause.
- CThe statement would not execute because all the columns in the SELECT clause are not prefixed with
- DThe statement would not execute because the column part of the USING clause cannot have a qualifier
How the community answered
(45 responses)- A7% (3)
- B4% (2)
- C18% (8)
- D71% (32)
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