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Oracle Updated 1z0-071 Exam Questions and Answers by olaf

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Oracle 1z0-071 Exam Overview :

Exam Name: Oracle Database 12c SQL
Exam Code: 1z0-071 Dumps
Vendor: Oracle Certification: Oracle PL
Questions: 326 Q&A's Shared By: olaf
Question 52

You execute this command:

ALTER TABLE employees SET UNUSED (department_id);

Which two are true?

Options:

A.

A query can display data from the DEPARTMENT_ID column.

B.

The storage space occupied by the DEPARTMENT_ID column is released only after a COMMIT is issued.

C.

The DEPARTMENT_ID column is set to null for all tows in the table

D.

A new column with the name DEPARTMENT_ID can be added to the EMPLOYEES table.

E.

No updates can be made to the data in the DEPARTMENT_ID column.

F.

The DEPARTMENT_ID column can be recovered from the recycle bin

Discussion
Question 53

Which two statements are true about the data dictionary?

Options:

A.

Views with the prefix dba_ display only metadata for objects in the SYS schema.

B.

Views with the prefix all_ display metadata for objects to which the current user has access.

C.

The data dictionary is accessible when the database is closed.

D.

Views with the prefix all_, dba_ and useb_ are not all available for every type of metadata.

E.

The data dictionary does not store metadata in tables.

Discussion
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Question 54

Examine the description of the CUSTOMERS table:

Questions 54

You need to display last names and credit limits of all customers whose last name starts with A or B In lower or upper case, and whose credit limit is below 1000.

Examine this partial query:

SELECT cust_last_nare, cust_credit_limit FROM customers

Which two WHERE conditions give the required result?

Options:

A.

WHERE UPPER(cust_last_name) IN ('A%', 'B%') AND cust_credit_limit < 1000:

B.

WHERE (INITCAP(cust_last_name) LIKE ‘A%' OR ITITCAP(cust_last_name) LIKE ‘B%') AND cust_credit_limit < 1000

C.

WHERE UPPER(cust_last_name) BETWEEN UPPER('A%' AND 'B%’) AND ROUND(cust_credit_limit) < 1000;

D.

WHERE (UPPER(cust_last_name) LIKE 'A%’ OR UPPER(cust_last_name) LIKE ‘B%’) AND ROUND(cust_credit_limit) < 1000;

E.

WHERE (UPPER(cust_last_name) like INITCAP ('A') OR UPPER(cust_last_name) like INITCAP('B')) AND ROUND(cust_credit_limit) < ROUND(1000) ;

Discussion
Question 55

Which two statements are true about single row functions?

Options:

A.

CONCAT: can be used to combine any number of values

B.

FLOOR: returns the smallest integer greater than or equal to a specified number

C.

CEIL: can be used for positive and negative numbers

D.

TRUNC: can be used with NUMBER and DATE values

E.

MOD: returns the quotient of a division operation

Discussion
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