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Oracle Database SQL Sample Questions (Q57-Q62):

NEW QUESTION # 57
Examine these two queries and their output:
SELECT deptno, dname FROM dept;

SELECT ename, job, deptno FROM emp ORDER BY deptno;

Now examine this query:
SELECT ename, dname
FROM emp CROSS JOIN dept WHERE job = 'MANAGER'
AND dept.deptno IN (10, 20) ;

A. 0
B. 1
C. 2
D. 3

Answer: C

Explanation:
In a CROSS JOIN (also known as a Cartesian join), each row from the first table (emp) is joined to every row of the second table (dept). When we apply the filter for job = 'MANAGER' and dept.deptno IN (10, 20), we are restricting the results to managers in departments 10 and 20.
From the given data:
* There are 2 managers in department 10 (CLARK and KING).
* There is 1 manager in department 20 (JONES).
With a cross join, each of these emp records will join with each dept record where deptno is 10 or 20. Since there are two departments (10 and 20) in the dept table, each employee will match with two departments.
Therefore, the result set will be:
* CLARK with accounting (dept 10) and research (dept 20)
* KING with accounting (dept 10) and research (dept 20)
* JONES with accounting (dept 10) and research (dept 20)
That gives us a total of 6 rows, which means the correct answer is B: 6.

NEW QUESTION # 58
Which two statements are true regarding roles? (Choose two.)

A. A role can be granted to PUBLIC.
B. A role can be granted to itself.
C. A user can be granted only one role at any point of time.
D. Roles are named groups of related privileges that can be granted to users or other roles.
E. The REVOKE command can be used to remove privileges but not roles from other users.

Answer: A,D

Explanation:
Explanation
http://docs.oracle.com/cd/E25054_01/network.1111/e16543/authorization.htm#autoId28

NEW QUESTION # 59
View the exhibits and examine the structures of the COSTSand PROMOTIONStables.

Evaluate the following SQL statement:
SQL> SELECT prod_id FROM costs
WHERE promo_id IN (SELECT promo_id FROM promotions
WHERE promo_cost < ALL
( SELECT MAX(promo_cost) FROM promotions
GROUP BY (promo_end_date-
promo_begin_date)));
What would be the outcome of the above SQL statement?

A. It displays prod IDs in the promos which cost less than the highest cost in the same time interval.
B. It displays prod IDs in the promos with the lowest cost in the same time interval.
C. It displays prod IDs in the promos with the highest cost in the same time interval.
D. It displays prod IDs in the promo with the lowest cost.

Answer: A

NEW QUESTION # 60
The user SCOTTwho is the owner of ORDERSand ORDER_ITEMStables issues this GRANTcommand:
GRANT ALL
ON orders, order_items
TO PUBLIC;
What must be done to fix the statement?

A. WITH GRANT OPTIONshould be added to the statement.
B. ALLshould be replaced with a list of specific privileges.
C. PUBLICshould be replaced with specific usernames.
D. Separate GRANTstatements are required for ORDERSand ORDER_ITEMS tables.

Answer: D

Explanation:
Explanation/Reference:
References:
http://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqljgrant.html

NEW QUESTION # 61
You execute these commands:
SQL> DEFINE hiredate = '01-APR -2011';
SQL> SELECT employee_id, first_name, salary FROM employees WHERE hire date > &hiredate AND manager_id >&mgr_id; For which substitution variables will you be prompted?

A. only &hiredate
B. only &mgr_id
C. none
D. &hiredate and &mgr_id

Answer: B

NEW QUESTION # 62
......

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PASS GUARANTEED QUIZ 2025 ORACLE 1Z0-071: ORACLE DATABASE SQL–HIGH-QUALITY BRAINDUMPS DOWNLOADS

Pass Guaranteed Quiz 2025 Oracle 1z0-071: Oracle Database SQL–High-quality Braindumps Downloads