Free Practice Oracle 1Z0-071 Exam Questions 2025

Stay ahead with 100% Free Oracle Database 12c SQL 1Z0-071 Dumps Practice Questions

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Total 561 Questions | Updated On: Mar 27, 2025

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Question 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 execute successfully to produce the required output

B : The statement would not execute because inline views and outer joins cannot be used together.

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.

Answer: A

Question 2

Examine the data in the COLORS table:Examine the data in the BRICKS table: Which two queries return all the rows from COLORS?

A : SELECT.FROM bricks bRIGHT JOIN colors cON b. color _rgb_ hex_ value = c. rgb hex_ value;

B : SELECTEROM colors CLEFT JOIN bricks #USING (rgb _ hex_ value) ;

C : SELECTFROM bricks bFULL JOIN colors CON b. color rgb _ hex_ value = c. rgb _hex_ value;

D : SELECT *EROM bricks | bJOIN colors CON b. color_ rgb_ hex_ value =c. rgb _hex value;

E : SELECTEROM colors CLEET JOIN bricks bON b. color_ rgb_ hex value = c. rgb. hex.valueWHERE b. brick_ id > 0;

Answer: A,B

Question 3

Which two statements best describe the benefits of using the WITH clause? (Choose two.)

A : It can improve the performance of a large query by storing the result of a query block having the WITH clause in the session's temporary tablespace.

B : It enables sessions to reuse the same query block in a SELECT statement, if it occurs more than once in a complex query.

C : It enables sessions to store a query block permanently in memory and use it to create complex queries.

D : It enables sessions to store the results of a query permanently.

Answer: A,B

Question 4

Examine the description of the CUSTONERS table

CUSTON is the PRIMARY KEY.

You must derermine if any customers'derails have entered more than once using a different

costno,by listing duplicate name

Which two methode can you use to get the requlred resuit?

A : RIGHT OUTER JOIN with seif join

B : FULL OUTER JOIN with seif join

C : SUBQUERY

D : seif join

E : LEFT OUTER JOIN with seif join

Answer: C,D

Question 5

Which two statements are true regarding views? (Choose two.)

A : The WITH CHECK OPTION constraint can be used in a view definition to restrict the columns displayed through the view.

B : The OR REPLACE option is used to change the definition of an existing view without dropping and re-creating it.

C : Rows cannot be deleted through a view if the view definition contains the DISTINCT keyword.

D : Rows added through a view are deleted from the table automatically when the view is dropped.

E : A simple view in which column aliases have been used cannot be updated.

F : A subquery used in a complex view definition cannot contain group functions or joins.

Answer: B,C

Page: 1 / 113

Total 561 Questions | Updated On: Mar 27, 2025

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