Oracle
1Z0-047 · Question #9
1Z0-047 Question #9: Real Exam Question with Answer & Explanation
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Question
View the Exhibit and examine the structure of the ORDERS and ORDER_ITEMS tables. In the ORDERS table, ORDER_ID is the PRIMARY KEY and ORDER_DATE has the DEFAULT value as SYSDATE. Evaluate the following statement: UPDATE orders SET order_date=DEFAULT WHERE order_id IN (SELECT order_id FROM order_items WHERE qty IS NULL); What would be the outcome of the above statement?
Exhibit
Options
- AThe UPDATE statement would not work because the main query and the subquery use different tables.
- BThe UPDATE statement would not work because theDEFAULTvaluecan be used only in INSERT statements.
- CThe UPDATE statement would change all ORDER_DATE values to SYSDATE provided the current
- DThe UPDATE statement would change all the ORDER_DATE values to SYSDATE irrespective of what
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