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Oracle 1z0-071 is an exam that tests the knowledge of candidates in SQL and its applications in the Oracle Database. 1z0-071 exam is designed by Oracle, which is one of the leading technology companies in the world. The Oracle 1z0-071 Exam is intended for individuals who want to become proficient in SQL programming, particularly in the context of the Oracle Database environment.

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Quiz 1z0-071 - The Best Real Oracle Database SQL Exams

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The Oracle 1z0-071 exam consists of 73 multiple-choice questions and has a duration of 105 minutes. 1z0-071 exam covers a wide range of topics, including SQL fundamentals, data manipulation language (DML), data control language (DCL), and transaction control language (TCL). It also covers advanced topics such as subqueries, joins, set operators, and regular expressions.

Oracle 1z0-071 Certification Exam is a multiple-choice exam that consists of 73 questions. You have 105 minutes to complete the exam, and the passing score is 63%. 1z0-071 exam is available in multiple languages, including English, Japanese, and Simplified Chinese.

Oracle Database SQL Sample Questions (Q374-Q379):

NEW QUESTION # 374
Which statement executes successfully?

A. SELECT TO_CHAR(INTERVAL '800' SECOND, 'HH24:MM') FROM DUAL;
B. SELECT TO_NUMBER(INTERVAL'800' SECOND, 'HH24:MM') FROM DUAL;
C. SELECT TO_NUWBER(TO_DATE(INTERVAL '800' SECOND)) FROM DUAL;
D. SELECT TO_DATE(INTERVAL '800' SECOND,'HH24:MM') FROM DUAL;
E. SELECT TO_DATE(TO_NUMBER(INTERVATL '800' SECOND)) FROM DUAL;

Answer: A

NEW QUESTION # 375
Examine the description of the EMPLOYEES table:

Which two queries return rows for employees whose manager works in a different department?

A. SELECT emp. *
FROM employees emp
JOIN employees mgr
ON emp. manager_ id = mgr. employee_ id
A ND emp. department_ id<> mgr.department_ id;
B. SELECT emp. *
FROM employees emp
RIGHT JOIN employees mgr
ON emp.manager_ id = mgr. employee id
AND emp. department id <> mgr.department_ id
WHERE emp. employee_ id IS NOT NULL;
C. SELECT emp. *
FROM employees emp
WHERE manager_ id NOT IN (
SELECT mgr.employee_ id
FROM employees mgr
WHERE emp. department_ id < > mgr.department_ id
);
D. SELECT emp.*
FROM employees emp
WHERE NOT EXISTS (
SELECT NULL
FROM employees mgr
WHERE emp.manager id = mgr.employee_ id
AND emp.department_id<>mgr.department_id
);
E. SELECT emp.*
FROM employees emp
LEFT JOIN employees mgr
ON emp.manager_ id = mgr.employee_ id
AND emp. department id < > mgr. department_ id;

Answer: A,B

NEW QUESTION # 376
When does a transaction complete? (Choose all that apply.)

A. When a PL/SQL anonymous block is executed
B. When a ROLLBACK command is executed
C. When a TRUNCATE statement is executed after the pending transaction
D. When a data definition language statement is executed
E. When a DELETE statement is executed

Answer: B,C,D

NEW QUESTION # 377
View the Exhibit and examine the structure of the CUSTOMERS table.

Using the CUSTOMERS table, you must generate a report that displays a credit limit increase of 15% for all customers.
Customers with no credit limit should have "Not Available" displayed.
Which SQL statement would produce the required result?

A. SELECT NVL(cust_credit_limit,'Not Available')*.15 "NEW CREDIT"FROM customers;
B. SELECT NVL(TO_CHAR(cust_credit_limit*.15),'Not Available') "NEW CREDIT"FROM customers;
C. SELECT NVL(cust_credit_limit*.15,'Not Available') "NEW CREDIT"FROM customers;
D. SELECT TO_CHAR(NVL(cust_credit_limit*.15,'Not Available')) "NEW CREDIT"FROM customers;

Answer: B

NEW QUESTION # 378
Evaluate the following SQL statements that are issued in the given order:
CREATE TABLE emp
( emp_no NUMBER(2) CONSTRAINT emp_emp_no_pk PRIMARY KEY,
ename VARCHAR2(15),
salary NUMBER (8,2),
mgr_no NUMBER(2) CONSTRAINT emp_mgr_fk REFERENCES emp(emp_no));
ALTER TABLE emp
DISABLE CONSTRAINT emp_emp_no_pk CASCADE;
ALTER TABLE emp
ENABLE CONSTRAINT emp_emp_no_pk;
What would be the status of the foreign key EMP_MGR_PK?

A. It would remain disabled and has to be enabled manually using the ALTER TABLE command.
B. It would be automatically enabled and deferred.
C. It would remain disabled and can be enabled only by dropping the foreign key constraint and recreating it.
D. It would be automatically enabled and immediate.

Answer: A

NEW QUESTION # 379
......

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