“Oracle Database SQL Certification Exam | 1Z0-071” Exam 1Z0-071. Here you can get the latest free Oracle 1Z0-071 exam exercise questions and answers for free and easily improve your skills!

1Z0-071 exam: “Oracle PL/SQL Developer Certified Associates demonstrate expertise in building database-centric Internet applications
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Latest Oracle 1Z0-071 pdf

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Oracle Database SQL Certification Exam | 1Z0-071：https://education.oracle.com/oracle-database-sql/pexam_1Z0-071

Free Oracle 1Z0-071 Exam Practice Questions

QUESTION 1
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 can be enabled only by dropping the foreign key constraint and recreating it.
B. It would remain disabled and has to be enabled manually using the ALTER TABLE command.
C. It would be automatically enabled and immediate.
D. It would be automatically enabled and deferred.
Correct Answer: B

QUESTION 2
View the Exhibit and examine the data in the PRODUCTS table.

Which statement would add a column called PRICE, which cannot contain NULL?
A. ALTER TABLE products ADD price NUMBER(8,2) NOT NULL;
B. ALTER TABLE products ADD price NUMBER(8,2) DEFAULT NOT NULL;
C. ALTER TABLE products ADD price NUMBER(8,2) DEFAULT 0 NOT NULL;
D. ALTER TABLE products ADD price NUMBER(8,2) DEFAULT CONSTRAINT p_nn NOT NULL.
Correct Answer: C

QUESTION 3
Which two statements are true regarding subqueries? (Choose two.)
A. A subquery can appear on either side of a comparison operator.
B. Only two subqueries can be placed at one level.
C. A subquery can retrieve zero or more rows.
D. A subquery can be used only in SQL query statements.
E. There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement.
Correct Answer: AC

QUESTION 4
Evaluate the following query

What is the correct output of the above query?
A. +00-300, +00-650, +00 11:12:10.123457
B. +25-00, +54-02, +00 11:12:10.123457
C. +00-300, +54-02, +00 11:12:10.123457
D. +25-00, +00-650, +00 11:12:10.123457
Correct Answer: B

QUESTION 5
View the Exhibit and examine the structure of the ORDERS table.

You must select ORDER_ID and ORDER_DATE for all orders that were placed after the last order placed by
CUSTOMER_ID 101.
Which query would give you the desired result?
A. SELECT order_id, order_date FROM orders WHERE order_date > ANY (SELECT order_date FROM orders WHERE
customer_id = 101);
B. SELECT order_id, order_date FROM orders WHERE order_date > ALL (SELECT MAX(order_date) FROM orders )
AND customer_id = 101;
C. SELECT order_id, order_date FROM orders WHERE order_date > ALL (SELECT order_date FROM orders WHERE
customer_id = 101);
D. SELECT order_id, order_date FROM orders WHERE order_date > IN (SELECT order_date FROM orders WHERE
customer_id = 101);
Correct Answer: C

QUESTION 6
View the exhibit and examine the structure of the STORES table.

You want to display the NAME of the store along with the ADDRESS, START_DATE, PROPERTY_PRICE, and the
projected property price, which is 115% of property price.
The stores displayed must have START_DATE in the range of 36 months starting from 01-Jan-2000 and above.
Which SQL statement would get the desired output?
A. SELECT name, concat (address| | \\’,\\’| |city| |\\’, \\’, country) AS full_address, start_date, property_price,
property_price*115/100 FROM stores WHERE MONTHS_BETWEEN (start_date, \\’01-JAN-2000\\’) SELECT p.prod_id,
COUNT(s.prod_id)
FROM products p _____________ sales s
ON p.prod_id = s.prod_id
GROUP BY p.prod_id;
Which two JOIN options can be used in the blank in the above query to get the required output? (Choose two.)
A. JOIN
B. FULL OUTER JOIN
C. LEFT OUTER JOIN
D. RIGHT OUTER JOIN
Correct Answer: BC

QUESTION 7
Which three statements are true regarding single-row functions? (Choose three.)
A. The data type returned, can be different from the data type of the argument that is referenced.
B. They can return multiple values of more than one data type.
C. They can accept only one argument.
D. They can be nested up to only two levels.
E. They can be used in SELECT, WHERE, and ORDER BY clauses.
F. They can accept column names, expressions, variable names, or a user-supplied constants as arguments.
Correct Answer: AEF

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