Free 1Z0-071 Practice Exam Questions Online

Why Oracle 1Z0-071 Practice Exam Questions?

Ready to level up your Oracle 1Z0-071 exam study? Just TheExamsLab 1Z0-071 practice tests free.

1Z0-071 exam questions are expertly crafted practice tests designed to simulate the real Oracle certification exam environment and help you assess your knowledge and figure out where you are lacking. From our free Oracle Database 12c SQL 1Z0-071 practice exam, you will feel secure in passing any question type or time limit. TheExamsLab offers the 1Z0-071 exam questions 2024. Don’t settle or do it half-heartedly get the best and invest in the best what you want is what you get.

Page: 1 / 109

Total 544 Questions | Updated On: Nov 18, 2024

Add To Cart

Question 1

You issued this command: SQL > DROP TABLE employees; Which three statements are true? (Choose three.)

A : Sequences used in the EMPLOYEES table become invalid.

B : If there is an uncommitted transaction in the session, it is committed.

C : All indexes and constraints defined on the table being dropped are also dropped.

D : The space used by the EMPLOYEES table is always reclaimed immediately.

E : The EMPLOYEES table can be recovered using the ROLLBACK command.

F : The EMPLOYEES table may be moved to the recycle bin.

Answer: A,B,C

Question 2

Examine the description of the CUSTOMERS table:

Which three statements will do an implicit conversion?

A : SELECT * FROM customers WHERE insert_date=DATE'2019-01-01';

B : SELECT * FROM customers WHERE customer_id='0001';

C : SELECT * FROM customers WHERE TO_DATE(insert_date)=DATE'2019-01-01';

D : SELECT * FROM customers WHERE insert_date'01-JAN-19';

E : SELECT * FROM customers WHERE customer_id=0001;

F : SELECT * FROM customers WHERE TO_CHAR(customer_id)='0001';

Answer: B,C,D

Question 3

Which two statements best describe the benefits of using the WITH clause? (Choose two.)

A : It can improve the performance of a large query by storing the result of a query block having the WITH clause in the session's temporary tablespace.

B : It enables sessions to reuse the same query block in a SELECT statement, if it occurs more than once in a complex query.

C : It enables sessions to store a query block permanently in memory and use it to create complex queries.

D : It enables sessions to store the results of a query permanently.

Answer: A,B

Question 4

Which three statements are true regarding the data types? (Choose three.)

A : The minimum column width that can be specified for a varchar2 data type column is one

B : Only one LONG column can be used per table.

C : A TIMESTAMP data type column stores only time values with fractional seconds.

D : The BLOB data type column is used to store binary data in an operating system file.

E : The value for a CHAR data type column is blank-padded to the maximum defined column width.

Answer: A,B

Question 5

View the Exhibit and examine the structure of the ORDERS table. The ORDER_ID column is the PRIMARY KEY in the ORDERS table.

Evaluate the following CREATE TABLE command:

CREATE TABLE new_orders(ord_id, ord_date DEFAULT SYSDATE, cus_id)

SELECT order_id.order_date,customer_id

FROM orders;

Which statement is true regarding the above command?

A : The NEW_ODRDERS table would not get created because the DEFAULT value cannot be specified in the column definition.

B : The NEW_ODRDERS table would get created and only the NOT NULL constraint defined on the specified columns would be passed to the new table.

C : The NEW_ODRDERS table would not get created because the column names in the CREATE TABLE command and the SELECT clause do not match.

D : The NEW_ODRDERS table would get created and all the constraints defined on the specified columns in the ORDERS table would be passed to the new table.

Answer: B

Page: 1 / 109

Total 544 Questions | Updated On: Nov 18, 2024

Add To Cart