New Oracle 1z1-071 Dumps & Questions Updated on 2024
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Oracle 1z1-071 (Oracle Database SQL) certification exam is a professional certification exam that verifies an individual's knowledge and skills in SQL programming language and Oracle database management systems. Passing 1z1-071 exam can help individuals enhance their career opportunities and advance their knowledge and skills in database management and application development.
NEW QUESTION # 147
Which two statements are true about transactions in the Oracle Database server?
- A. A Data Definition Language (DDL) statement does a COMMIT automatically only for the data dictionary updates caused by the DDL.
- B. A session can always see uncommitted updates made by itself.
- C. If a session has an uncommitted transaction, then a DDL statement issues a COMMIT before starting a new transaction.
- D. Data Manipulation Language (DML) statements always start a new transaction.
- E. A user can always see uncommitted updates made by the same user in a different session.
- F. An uncommitted transaction commits automatically if the user exists SQL*Plus.
Answer: B,D
NEW QUESTION # 148
Evaluate the following statement.
INSERT ALL
WHEN order_total < 10000 THEN
INTO small_orders
WHEN order_total > 10000 AND order_total < 20000 THEN
INTO medium_orders
WHEN order_total > 200000 THEN
INTO large_orders
SELECT order_id, order_total, customer_id
FROM orders;
Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?
- A. The INSERT statement will return an error because the ELSE clause is missing.
- B. All rows are evaluated by all the three WHEN clauses.
- C. Each row is evaluated by the first WHEN clause and if the condition is true, then the row would be evaluated by the subsequent when clauses.
- D. Each row is evaluated by the first WHEN clause and if the condition is false then the row would be evaluated by the subsequent when clauses.
Answer: B
NEW QUESTION # 149
View the Exhibit and examine the structure of the ORDER_ITEMS table.
You must select the ORDER_ID of the order that has the highest total value among all the orders in the ORDER_ITEMS table.
Which query would produce the desired result?
- A. SELECT order_id
FROM order_items
WHERE(unit_price*quantity) = (SELECT MAX (SUM(unit_price*quantity)
FROM order_items) GROUP BY order_id); - B. SELECT order_id
FROM order_items
WHERE (unit_price*quantity) = (SELECT MAX(unit_price*quantity)
FROM order_items
GROUP BY order_id) - C. SELECT order_id
FROM order_items
GROUP BY order_id
HAVING SUM(unit_price*quantity) = (SELECT MAX (SUM(unit_price*quantity)) FROM order_items GROUP BY order_id); - D. SELECT order_id
FROM order_items
WHERE(unit_price*quantity) = MAX(unit_price*quantity)
GROUP BY order_id);
Answer: C
NEW QUESTION # 150
View the exhibit and examine the structure of ORDERSand CUSTOMERStables.
Which INSERT statement should be used to add a row into the ORDERStable for the customer whose CUST_LAST_NAMEis Robertsand CREDIT_LIMITis 600? Assume there exists only one row with CUST_LAST_NAME as Roberts and CREDIT_LIMIT as 600.
INSERT INTO (SELECT o.order_id, o.order_date, o.order_mode, c.customer_id,
- A. (SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), order_total)
VALUES (1,'10-mar-2007', 'direct', &&customer_id, 1000); - B. o.order_total
FROM orders o, customers c
WHERE o.customer_id = c.customer_id AND c.cust_last_name='Roberts' AND
c.credit_limit=600)
VALUES (1,'10-mar-2007', 'direct', (SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), 1000);
INSERT INTO orders (order_id, order_date, order_mode, - C. VALUES (1,'10-mar-2007', 'direct',
(SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), 1000);
INSERT INTO orders (order_id, order_date, order_mode, - D. (SELECT customer_id
FROM customers
WHERE cust_last_name='Roberts' AND credit_limit=600), order_total)
VALUES (1,'10-mar-2007', 'direct', &customer_id, 1000);
INSERT INTO orders
Answer: C
Explanation:
Explanation/Reference:
NEW QUESTION # 151
Examine the description of the EMPLOYEES table:
Which query is valid?
- A. SELECT dept_id, AVG(NAX(salary)) FROM employees GROUP BY dept_id;
- B. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id;
- C. SELECT dept_id, join date, SUM(salary) FROM employees GROUP BY dept_id,join_date;
- D. SELECT dept_id, MAX (AVG(salary)) FROM employees GROUP BY dept_id;
Answer: C
NEW QUESTION # 152
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
NEW QUESTION # 153
Which two statements are true regarding multiple-row subqueries? (Choose two.)
- A. They should not be used with the NOT IN operator in the main query if NULL is likely to be a part of the result of the subquery.
- B. They can be used to retrieve multiple rows from a single table only.
- C. They always contain a subquery within a subquery.
- D. They use the < ALL operator to imply less than the maximum.
- E. They can contain group functions.
Answer: A,E
NEW QUESTION # 154
Examine the structure of the PROMOTIONS table:
Management requires a report of unique promotion costs in each promotion category.
Which query would satisfy this requirement?
- A. SELECT DISTINCT promo_cost, promo_category FROM promotions;
- B. SELECT promo_category, DISTINCT promo_cost FROM promotions;
- C. SELECT DISTINCT promo_cost, DISTINCT promo_category FROM promotions;
- D. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
Answer: D
NEW QUESTION # 155
Examine the structure of the EMPLOYEES table.
There is a parent-child relationship between EMPLOYEE_ID and 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_ID is 123.
Which query provides the correct output?
- A. SELECT e.last_name, m.manager_idFROM employees e RIGHT OUTER JOIN employees mon (e.manager_id = m.employee_id)AND e.employee_id = 123;
- B. SELECT e.last_name, m.manager_idFROM employees e LEFT OUTER JOIN employees mon (e.employee_id = m.manager_id)WHERE e.employee_id = 123;
- C. SELECT e.last_name, e.manager_idFROM employees e RIGHT OUTER JOIN employees mon (e.employee_id = m.employee_id)WHERE e.employee_id = 123;
- D. SELECT m.last_name, e.manager_idFROM employees e LEFT OUTER JOIN employees mon (e.manager_id = m.manager_id)WHERE e.employee_id = 123;
Answer: D
NEW QUESTION # 156
Examine these SQL statements which execute successfully:
Which two statements are true after execution?
- A. The foreign key constraint will be disabled.
- B. The foreign key constraint will be enabled and DEFERRED.
- C. The primary key constraint will be enabled and IMMEDIATE.
- D. The foreign key constraint will be enabled and IMMEDIATE.
- E. The primary key constraint will be enabled and DEFERRED.
Answer: D,E
NEW QUESTION # 157
Examine the description of the CUSTOMERStable:
Which two SELECTstatements will return these results (Choose two.):
SELECT customer_name FROM customers WHERE customer_name = '*Ma*';
- A. SELECT customer_name FROM customers WHERE customer_name LIKE 'Ma*';
- B.
- C. SELECT customer_name FROM customers WHERE UPPER (customer_name) LIKE 'MA%';
- D. SELECT customer_name FROM customers WHERE UPPER (customer_name) LIKE 'MA*';
- E. SELECT customer_name FROM customers WHERE customer_name LIKE 'Ma%';
- F. SELECT customer_name FROM customers WHERE customer_name LIKE '%a%';
- G. SELECT customer_name FROM customers WHERE customer_name LIKE '*Ma*';
Answer: C,E
Explanation:
You can use the UPPER function to perform a case-insensitive match, as in this condition:
UPPER(last_name) LIKE 'SM%'
Reference: https://docs.oracle.com/cd/B12037_01/server.101/b10759/conditions016.htm
NEW QUESTION # 158
Examine the description of the ENPLOYES table:
Which query requires explicit data type conversion?
- A. SELECT salary + '120.50' FROM employees;
- B. SELECT join _ date FROM employees WHERE join date > *10-02-2018';
- C. SELECT join_ date + '20' EROM employees;
- D. SELECT join_ date||''|| salary FROM employees;
- E. SELECT SUBSTR(join date, 1, 2) - 10 FROM employees;
Answer: B
NEW QUESTION # 159
You want to write a query that prompts for two column names and the WHERE condition each time It is executed in a session but only prompts for the table name the first time it is executed. The variables used in your query are never undefined in your session . Which query can be used?
- A. SELECT &&col1,&&col2
FROM &table
WHERE &&condition= &&cond; - B. SELECT &col1, &col2
FROM &&table
WHERE &condition; - C. SELECT&&col1, &&col2
FROM &table
WHERE &&condition; - D. SELECT &col1, &col2
FROM "&table"
WHERE &condition; - E. SELECT'&co11','&&co12'
FROM &table
WHERE'&&condition' ='&cond';
Answer: B
NEW QUESTION # 160
View the exhibit and examine the structure of the CUSTOMERStable.
Which two tasks would require subqueries or joins to be executed in a single statement?
- A. listing of customers who do not have a credit limit and were born before 1980
- B. finding the number of customers, in each city, who's marital status is 'married'.
- C. finding the number of customers, in each city, whose credit limit is more than the average credit limit of all the customers
- D. finding the average credit limit of male customers residing in 'Tokyo'or 'Sydney'
- E. listing of those customers, whose credit limit is the same as the credit limit of customers residing in the city 'Tokyo'.
Answer: C,E
NEW QUESTION # 161
You execute this command:
ALTER TABLE employees SET UNUSED(department_id)
Which two are true? (Choose two.)
- A. No updates can be made to the data in the DEPARTMENT_IDcolumn.
- B. A new column with the name DEPARTMENT_IDcan be added to the EMPLOYEEStable.
- C. A query can be display data from the DEPARTMENT_IDcolumn.
- D. The storage space occupied by the DEPARTMENT_IDcolumn is released only after a COMMITis issued.
- E. The DEPARTMENT_IDcolumn is set to null for all rows in the table.
- F. The DEPARTMENT_IDcolumn can be recovered from the recycle bin.
Answer: B,E
Explanation:
If a new column is added to a table, the column is initially NULL
Reference:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/tables006.htm#ADMIN11005
NEW QUESTION # 162
Which statement is true about the INTERSECT operator used in compound queries?
- A. INTERSECT is of lower precedence than UNION or UNION ALL.
- B. It processes NULLs in the selected columns.
- C. It ignores NULLs.
- D. Multiple INTERSECT operators are not possible in the same SQL statement.
Answer: B
NEW QUESTION # 163
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Oracle 1z0-071 certification exam is an essential step for individuals who want to demonstrate their proficiency in SQL programming for Oracle databases. Passing 1z1-071 exam is a requirement for obtaining the Oracle Database SQL certification, which is highly valued in the database management industry. With the right preparation and dedication, candidates can successfully pass 1z1-071 exam and advance their careers in database management.
Oracle 1z1-071 (Oracle Database SQL) Certification Exam is designed for individuals who want to demonstrate their expertise in SQL and database management. Oracle Database SQL certification exam is highly regarded in the industry and is recognized globally. Passing 1z1-071 exam validates an individual's knowledge and skills in SQL, which is essential for any database administrator or developer.
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