Free Access Oracle.1z0-071.v2023-10-02.q276 Practice Test (Page 29)

Question 136

Examine this SQL statement:

Which two are true?

A.The subquery is executed before the UPDATE statement is executed.

B.The subquery is not a correlated subquery.

C.The UPDATE statement executes successfully even if the subquery selects multiple rows.

D.The subquery is executed for every updated row in the ORDERS table.

E.All existing rows in the ORDERS table are updated.

Question 137

Examine these SQL statements which execute successfully:

Which two statements are true after execution? (Choose two.)

A.The foreign key constraint will be enabled and DEFERRED.

B.The foreign key constraint will be disabled.

C.The primary key constraint will be enabled and IMMEDIATE.

D.The foreign key constraint will be enabled and IMMEDIATE.

E.The primary key constraint will be enabled and DEFERRED.

Question 138

View the Exhibit and examine the description of the ORDERS table. (Choose two.) Which two WHERE clause conditions demonstrate the correct usage of conversion functions?

A.WHERE Order_date > TO_CHAR(ADD_MONTHS(SYSDATE, 6), 'MON DD YYYY')

B.WHERE TO_CHAR(Order_date, 'MON DD YYYY') = 'JAN 20 2003'

C.WHERE Order_date_IN ( TO_DATE('OCT 21 2003', 'MON DD YYYY'), TO_CHAR('NOV
21 2003', 'MON DD YYYY') )

D.WHERE Order_date > ( TO_DATE('JUL 10 2006', 'MON DD YYYY')

Question 139

Examine the description of the PROMTIONS table:

You want to display the unique promotion costs in each promotion category.
Which two queries can be used?

A.SELECT promo_cost, | pxomo_category FROM promotions ORDER BY 1;

B.SELECT DISTINCT promo_cost ||' in' II DISTINCT promo_category FROM promotions ORDER BY 1;

C.SELECT promo_category, DISTINCT promo_cost PROM promotions ORDER BY 2:

D.SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;

E.SELECT DISTINCT promo_category ||'has'|| promo_cost AS COSTS FROM promotions ORDER BY 1;

Question 140

View the Exhibit and examine the description of the EMPLOYEES table.

Evaluate the following SQL statement:
SELECT first_name, employee_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) "Review" FROM employees;
The query was written to retrieve the FIRST_NAME, EMPLOYEE_ID, and review date for employees. The review date is the firsts Monday after the completion of six months of the hiring. The NLS_TERRITORY parameter is set to AMERICA in the session.
Which statement is true regarding this query?

A.The query would not execute because date functions cannot be nested.

B.The query would not execute because the NEXT_DAY function accepts a string as argument.

C.The query would execute to give the desired output.

D.The query would execute but the output would give review dates that are Sundays.

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Question 136

Question 137

Question 138

Question 139

Question 140

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