Online Access Free Oracle.1z0-071.v2024-08-26.q188 Practice Test (Page 20)

1z0-071 Exam Question 91

Examine the description of the ENPLYEES table:

Which two queries return all rows for employees whose salary is greater than the average salary in their department?

A.SELECT"
FROM employees
WHERE salary >
( SELECT AVG
(salary) FROM
employees
GROUP BY department _ id

B.SELECT "
FROM employees
WHERE salary > ANY
SELECT AVG (salary)
EROM employees
GROUP BY department_ id);

C.SELECT.
FROM
SELECT e.", AVG (salary) OVER (PARTITION BY department id) avg_ sal
FROM employees e
WHERE salary > avg_ sal;

D.SELECT"
FROM employees e1
WHERE salary >!
SELECT AVG (salary)
FROM employees e2
WHERE e1. Department _id = e2, department_ id

E.SELECT
FROM employees
WHERE salary > AVG (salary) OVER (PARTITION BY department _ id);

1z0-071 Exam Question 92

Examine the structure of the EMPLOYEEStable.

There is a parent/child relationship between EMPLOYEE_IDand MANAGER_ID.
You want to display the last names and manager IDs of employees who work for the same manager as the employee whose EMPLOYEE_IDis 123.
Which query provides the correct output?
SELECT e.last_name, m.manager_id

A.FROM employees e RIGHT OUTER JOIN employees m
on (e.employee_id = m.employee_id)
WHERE e.employee_id = 123;
SELECT m.last_name, e.manager_id

B.FROM employees e LEFT OUTER JOIN employees m
on (e.employee_id = m.manager_id)
WHERE e.employee_id = 123;
SELECT e.last_name, e.manager_id

C.FROM employees e RIGHT OUTER JOIN employees m
on (e.manager_id = m.employee_id)
AND e.employee_id = 123;
SELECT e.last_name, m.manager_id

D.FROM employees e LEFT OUTER JOIN employees m
on (e.manager_id = m.manager_id)
WHERE e.employee_id = 123;

1z0-071 Exam Question 93

Which two are true about constraints?

A.All constraints can be defined at the table or column level.

B.Constraints are enforced only during insert operations.

C.A column with a FOREIGN key constraint can never contain a null value.

D.A column with a unique constraint can contain a null value.

E.A constraint can be disabled even if the constrained column contains data.

1z0-071 Exam Question 94

Examine the description of the EMPLOYYES table:

Which two statements will run successfully?

A.SELECT 'The first-name is ' ' ' | | first_name | | ' ' ' ' FROM employees;

B.SELECT 'The first-name is ' | | first_name | | ' ' FROM employees;

C.SELECT 'The first-name is \ ' ' | | first_name | | ' \ ' ' FROM employees;

D.SELECT 'The first-name is ' ' ' | | first_name | | ' ' ' FROM employees;

E.SELECT 'The first-name is \ ' ' | | first_name | | ' ' FROM employees;

1z0-071 Exam Question 95

You want to display 5 percent of the rows from the SALES table for products with the lowest AMOUNT_SOLD and also want to include the rows that have the same AMOUNT_SOLD even if this causes the output to exceed 5 percent of the rows.
Which query will provide the required result?

A.SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS ONLY WITH TIES;

B.SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS ONLY;

C.SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS WITH TIES;

D.SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS WITH TIES ONLY;

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1z0-071 Exam Question 91

1z0-071 Exam Question 92

1z0-071 Exam Question 93

1z0-071 Exam Question 94

1z0-071 Exam Question 95

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