1Z0-047 · Question #89
View the Exhibit and examine the structure of the CUSTOMERS table. CUSTOMER_VU is a view based on CUSTOMERS_BR1 table which has the same structure as CUSTOMERS table. CUSTOMERS needs to be updated…
The correct answer is A. The CUSTOMER_ID column cannot be updated. See the full explanation below for the reasoning.
Question
View the Exhibit and examine the structure of the CUSTOMERS table. CUSTOMER_VU is a view based on CUSTOMERS_BR1 table which has the same structure as CUSTOMERS table. CUSTOMERS needs to be updated to reflect the latest information about the customers. What is the error in the following MERGE statement? MERGE INTO customers c USING customer_vu cv ON (c.customer_id = cv.customer_id) WHEN MATCHED THEN UPDATE SET customer_id = cv.customer_id, cust_name = cv.cust_name, cust_email = cv.cust_email, income_level = cv.income_level WHEN NOT MATCHED THEN INSERT VALUES(cv.customer_id,cv.cust_name,cv.cust_email,cv,income_level) WHERE cv.income_level >100000;
Exhibit
Options
- AThe CUSTOMER_ID column cannot be updated.
- BThe INTO clause is misplaced in the command.
- CThe WHERE clause cannot be used with INSERT.
- DCUSTOMER_VU cannot be used as a data source.
How the community answered
(21 responses)- A76% (16)
- B14% (3)
- C5% (1)
- D5% (1)
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