Free Access Oracle.1z0-071.v2022-08-30.q239 Practice Test (Page 46)

Question 221

Which three statements are true regarding subqueries?

A.Multiple columns or expressions can be compared between the main query and subquery.

B.Subqueries can contain ORDER BYbut not the GROUP BYclause.

C.Main query and subquery can get data from different tables.

D.Subqueries can contain GROUP BY and ORDER BYclauses.

E.Main query and subquery must get data from the same tables.

F.Only one column or expression can be compared between the main query and subquery.

Question 222

View the Exhibit and examine the structure of the ORDERS table. (Choose the best answer.) You must select ORDER_ID and ORDER_DATE for all orders that were placed after the last order placed by CUSTOMER_ID 101.
Which query would give you the desired result?

A.SELECT order_id, order_date FROM ordersWHERE order_date > ALL(SELECT MAX(order_date) FROM orders ) AND customer_id = 101;

B.SELECT order_id, order_date FROM ordersWHERE order_date > ANY(SELECT order_date FROM orders WHERE customer_id = 101);

C.SELECT order_id, order_date FROM ordersWHERE order_date > IN(SELECT
order_date FROM orders WHERE customer_id = 101);

D.SELECT order_id, order_date FROM ordersWHERE order_date > ALL(SELECT order_date FROM orders WHERE customer_id = 101);

Question 223

Examine the structure of the EMPLOYEES table.

You must display the maximum and minimum salaries of employees hired 1 year ago.
Which two statements would provide the correct output? (Choose two.)

A.SELECT MIN(Salary) minsal, MAX(salary) maxsalFROM employeesWHERE hire_date < SYSDATE-365GROUP BY MIN(salary), MAX(salary);

B.SELECT MIN(Salary), MAX(salary)FROM (SELECT salary FROMemployeesWHERE hire_date < SYSDATE-365);

C.SELECT minsal, maxsalFROM (SELECT MIN(salary) minsal, MAX(salary) maxsalFROM employeesWHERE hire_date < SYSDATE-365GROUP BY MIN(salary), MAX(salary));

D.SELECT minsal, maxsalFROM (SELECT MIN(salary) minsal, MAX(salary) maxsalFROM employeesWHERE hire_date < SYSDATE-365)GROUP BY maxsal, minsal;

Question 224

View the Exhibit and examine the data in the PRODUCTS table.

You must display product names from the PRODUCTS table that belong to the 'Software/other' category with minimum prices as either $2000 or $4000 and with no unit of measure.
You issue this query:

Which statement is true?

A.It generates an error because the condition specified for the PROD_CATEGORY column is not valid.

B.It generates an error because the condition specified for PROD_UNIT_OF_MEASURE is not valid.

C.It executes successfully but returns no result.

D.It executes successfully and returns the required result.

Question 225

Which two statements cause changes to the data dictionary?

A.GRANT UPDATE ON scott. emp TO fin manager;

B.AITER SESSION set NLs. _DATE FORMAT = 'DD/MM/YYYY';

C.SELECT * FROM user_ tab._ privs;

D.DELETE FROM scott. emp;

E.TRUNCATE TABLE emp:

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Question 221

Question 222

Question 223

Question 224

Question 225

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