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NO.1 View the Exhibit and examine PRODUCTS and ORDER_ITEMS tables. You executed the following
query to display PRODUCT_NAME and the number of times the product has been ordered: SELECT
p.product_name, i.item_cnt FROM (SELECT product_id, COUNT (*) item_cnt FROM order_items
GROUP BY product_id) i RIGHT OUTER JOIN products p ON i.product_id = p.product_id; What would
happen when the above statement is executed?
A. The statement would not execute because inline views and outer joins cannot be used together.
B. The statement would execute successfully to produce the required output.
C. The statement would not execute because the ITEM_CNT alias cannot be displayed in the outer query.
D. The statement would not execute because the GROUP BY clause cannot be used in the inline view.
Answer: B
1Z0-047 Quiz
NO.2 Which two statements are true? (Choose two.)
A. DICTIONARY is a view that contains the names of all the data dictionary views that the user can access.
B. All the dynamic performance views prefixed with V$ are accessible to all the database users.
C. The USER_OBJECTS view can provide information about the tables and views created by the user
only.
D. The USER_SYNONYMS view can provide information about private synonyms.
E. The user SYSTEM owns all the base tables and user-accessible views of the data dictionary.
Answer: A,D
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