What is the outcome?

View the Exhibit and examine the structure of the PRODUCTS, SALES, and SALE_SUMMARY
tables.
SALE_VW is a view created using the following command :
SQL>CREATE VIEW sale_vw AS
SELECT prod_id, SUM(quantity_sold) QTY_SOLD
FROM sales GROUP BY prod_id;
You issue the following command to add a row to the SALE_SUMMARY table :
SQL>INSERT INTO sale_summary
SELECT prod_id, prod_name, qty_sold FROM sale_vw JOIN products
USING (prod_id) WHERE prod_id = 16;
What is the outcome?

View the Exhibit and examine the structure of the PRODUCTS, SALES, and SALE_SUMMARY
tables.
SALE_VW is a view created using the following command :
SQL>CREATE VIEW sale_vw AS
SELECT prod_id, SUM(quantity_sold) QTY_SOLD
FROM sales GROUP BY prod_id;
You issue the following command to add a row to the SALE_SUMMARY table :
SQL>INSERT INTO sale_summary
SELECT prod_id, prod_name, qty_sold FROM sale_vw JOIN products
USING (prod_id) WHERE prod_id = 16;
What is the outcome?

A.
It executes successfully.

B.
It gives an error because a complex view cannot be used to add data into the SALE_SUMMARY table.

C.
It gives an error because the column names in the subquery and the SALE_SUMMARY table do not match.

D.
It gives an error because the number of columns to be inserted does not match with the number of
columns in the SALE_SUMMARY table.



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Leon

Leon

Incomplete issue.