|
2.
|
What is the value of customer_id within the nested block in the example below?
/* Start main block */
DECLARE
customer_id NUMBER(9) := 678;
credit_limit NUMBER(10,2) := 10000;
BEGIN
/* Start nested block */
DECLARE
customer_id VARCHAR2(9) := 'AP56';
current_balance NUMBER(10,2) := 467.87;
BEGIN
-- what is the value of customer_id at this point?
NULL;
END;
END;
Please select the best answer.
|