Oracle
1Z0-047 · Question #235
1Z0-047 Question #235: Real Exam Question with Answer & Explanation
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Question
View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables. Evaluate the following UPDATE statement: UPDATE (SELECT order_date, order_total, customer_id FROM orders) SET order_date = 22-mar-2007' WHERE customer_id = (SELECT customer_id FROM customers WHERE cust_last_name = 'Roberts'AND Credit_limit = 600); Which statement is true regarding the execution of the above UPDATE statement?
Exhibit
Options
- AIt would not execute because two tables cannot be used in a single UPDATE statement.
- BIt would execute and restrict modifications to only the columns specified in the SELECT statement.
- CIt would not execute because a subquery cannot be used in the WHERE clause of an UPDATE statement.
- DIt would not execute because the SELECT statement cannot be used in place of the table name.
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