Free Access Oracle.1z1-071.v2022-04-30.q200 Practice Test (Page 37)

Question 176

Examine the commands used to create DEPARTMENT_DETAILSand COURSE_DETAILS:
SQL>CREATE TABLE DEPARTMENT_DETAILS
( DEPARTMENT_ID NUMBER PRIMARY KEY,
DEPARTMENT_NAME VARCHAR2(50),
HOD VARCHAR2(50));
SQL>CREATE TABLE COURSE_DETAILS
(COURSE_ID NUMBER PRIMARY KEY,
COURSE_NAME VARCHAR2(50),
DEPARTMENT_ID VARCHAR2(50));
You want to generate a list of all department IDs along with any course IDs that may have been assigned to them.
Which SQL statement must you use?

A.SELECT d.department_id, c.course_id FROM department_details d LEFT OUTER JOIN course_details c ON (d.department_id=c. department_id);

B.SELECT d.department_id, c.course_id FROM department_details d RIGHT OUTER JOIN course_details c ON (c.department_id=d. department_id);

C.SELECT d.department_id, c.course_id FROM department_details d RIGHT OUTER JOIN course_details c ON (d.department_id=c. department_id);

D.SELECT d.department_id, c.course_id FROM course_details c LEFT OUTER JOIN department_details d ON (c.department_id=d. department_id);

Question 177

Which two statements are true about dropping views?

A.CASCADE constraints must be specified when referential integrity constraints on other objects refer to primary or unique keys In the view to be dropped.

B.The creator of a view to be dropped must have the drop ANY_ VIEW privilege.

C.Data selected by a view's defining query is deleted from Its underlying tables when the view is dropped.

D.Views referencing a dropped view become Invalid.

E.Read only views cannot be dropped.

Question 178

Examine the description of the ORDERStable:

Examine the description of the INVOICEStable:

Examine this query:

Which three rows will it return? (Choose three.)

A.5 01-MAR-2019

B.4 01-FEB-2019

C.5 <null>

D.1 <null>

E.3 01-JAN-2019

F.2 <null>

G.3 <null>

Question 179

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?

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

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

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

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

Question 180

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 executes successfully but returns no result.

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

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

D.It executes successfully and returns the required result.

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Question 176

Question 177

Question 178

Question 179

Question 180

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