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Type	Number of exam questions	Exam name	Exam code	Latest updated
Free	15	Oracle Database 12c SQL	1z0-071	1z0-071 dumps

Question 1:

The CUSTOMERS table has a CUST_LAST_NAME column of data type VARCHAR2.

The table has two rows whose COST_LAST_MANE values are Anderson and Ausson.

Which query produces output for CUST_LAST_SAME containing Oder for the first row and Aus for the second?

A. SELECT REPLACE (REPLACE(cust_last_name,\’son\’,\’\’),\’An\’,\’O\’) FROM customers;

B. SELECT REPLACE (TRIM(TRALING\’son\’ FROM cust_last_name),\’An\’,\’O\’) FROM customers;

C. SELECT INITCAP (REPLACE(TRIM(\’son\’ FROM cust_last_name),\’An\’,\’O\’)) FROM customers;

D. SELECT REPLACE (SUBSTR(cust_last_name,-3),\’An\’,\’O\’) FROM customers;

Correct Answer: A

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Question 2:

Examine the description of the EMPLOYEES table:

Which two statements will insert a row into the EMPLOYEES table? (Choose two.)

A. INSERT INTO employees VALUES (101, \’John\’, \’Smith\’, 12000, SYSDATE);

B. INSERT INTO employees VALUES (101, \’John\’, \’Smith\’, 10, 12000, SYSDATE);

C. INSERT INTO employees (employee_id, salary, first_name, hire date, last_name) VALUES (101, 12100, \’John\’, SYSDATE, \’Smith\’);

D. INSERT INTO employees (employee_id, first_name, last_name, salary, hiresate)VALUES ( (SELECT 101, \’John\’, \’Smith\’. 12000, SYSDATE FROM dual) );

E. INSERT INTO employees SELECT 101, \’John\’, \’Smith\’, 12000, (SELECT SYSDATE FROM dual), 10 FROM dual;

F. INSERT INTO employees VALUES (101, \’John\’, \’ \’, 12000, SYSDATE, 10);

Correct Answer: CF

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Question 3:

Which two statements are true about the order by clause when used with a SQL statement containing a set operator such as union?

A. column positions must be used in the order by clause.

B. The first column in the first select of the compound query with the union operator is used by default to sort the output in the absence of an order by clause.

C. Each select statement in the compound query must have its own order by clause.

D. only column names from the first select statement in the compound query are recognized.

E. Each select statement in the compound query can have its own order by clause.

Correct Answer: BD

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Question 4:

Which normal form is a table in if it has no multi-valued attributes and no partial dependencies?

A. second normal form

B. first normal form

C. third normal form

D. fourth normal form

Correct Answer: A

References: https://blog.udemy.com/database-normal-forms/

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Question 5:

Which two queries execute successfully?

A. SELECT NULLIF(100, 100) FROM DUAL

B. SELECT COALESCE(100, NULL, 200) FROM DUAL

C. SELECT NULLIF(100, \’A\’) FROM DUAL

D. SELECT NULLIF(NULL, 100) FROM DUAL

E. SELECT COALESCE(100, \’A\’ ) FROM DUAL

Correct Answer: AB

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Question 6:

Which two are SQL features?

A. providing graphical capabilities

B. providing variable definition capabilities.

C. providing database transaction control

D. processing sets of data

E. providing update capabilities for data in external files

Correct Answer: CD

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Question 7:

Which two are true about creating tables in an Oracle database?

A. A creates table statement can specify the maximum number of rows the table will contain.

B. The same table name can be used for tables in different schemas.

C. A system privilege is required.

D. Creating an external table will automatically create a file using the specified directory and file name.

E. A primary key constraint is mandatory.

Correct Answer: AD

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Question 8:

Examine the data in the ORDERS table:

Examine the data in the INVOICES table:

Examine this query:

SELECT order_ id, order_ date FROM orders

INTERSECT

SELECT order_ 1d, order_ date FROM invoices;

Which two rows will it return?

A. 3

B. 2

C. 1

D. 5 01-MAR-2019

E. 4 01-FEB-2019

F. 3 01-JAN-2019

Correct Answer: BF

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Question 9:

Which three statements about roles are true?

A. Roles are assigned to roles using the ALTER ROLE statement.

B. A single user can be assigned multiple roles.

C. Roles are assigned to users using the ALTER USER statement.

D. A single role can be assigned to multiple users.

E. Privileges are assigned to a role using the ALTER ROLE statement.

F. A role is a named group of related privileges that can only be assigned to a user.

G. Privileges are assigned to a role using the GRANT statement.

Correct Answer: BDG

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Question 10:

Which two are true about unused columns?

A. The DESCRIBE command displays unused columns

B. A primary key column cannot be set to unused.

C. A query can return data from unused columns, but no DML is possible on those columns.

D. Once a column has been set to unused, a new column with the same name can be added to the table.

E. A foreign key column cannot be set to unused.

F. Unused columns retain their data until they are dropped

Correct Answer: DF

https://decidhermfosvs.worddress.com/2Q07/11/15/back-to-the-basics-droDDing-unused-columns-in-oracle/

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Question 11:

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

The columns ORDER_MODE and ORDER_TOTAL have the default values `direct\’ and 0 respectively.

Which two INSERT statements are valid? (Choose two.)

A. INSERT INTO orders VALUES (1,\’09-mar-2007\’, `online\’,\’\’, 1000);

B. INSERT INTO orders (order_id,order_date,order_mode, (customer_id,order_total) VALUES (1,TO_DATE(NULL), `online\’, 101, NULL);

C. INSERT INTO (SELECT order_id,order_date,customer_id FROM orders) VALUES (1,\’09-mar-2007\’, 101);

D. INSERT INTO orders VALUES (1,\’09-mar-2007\’, DEFAULT, 101, DEFAULT);

E. INSERT INTO orders (order_id,order_date,order_mode,order_total) VALUES (1,\’10-mar-2007\’,`online\’,1000);

Correct Answer: CD

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Question 12:

View the Exhibit and examine the structure of the EMP table Which is not partitioned and not an index-organized table. (Choose two.)

Evaluate this SQL statement:

ALTER TABLE emp

DROP COLUMN first_name;

Which two statements are true?

A. The FIRST_NAME column can be dropped even if it is part of a composite PRIMARY KEY provided the CASCADE option is added to the SQL statement.

B. The FIRST_NAME column would be dropped provided at least one column remains in the table.

C. The FIRST_NAME column would be dropped provided it does not contain any data.

D. The drop of the FIRST_NAME column can be rolled back provided the SET UNUSED option is added to the SQL statement.

Correct Answer: B

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Question 13:

Which two queries execute successfully?

A. SELECT INTERVAL \’1\’ DAY – SYSDATE FROM DUAL;

B. SELECT SYSTIMESTAMP + INTERVAL \’1\’ DAY FROM DUAL;

C. SELECT INTERVAL \’1\’ DAY – INTERVAL \’1\’ MINUTE FROM DUAL;

D. select INTERVAL \’1\’ DAY +INTERVAL \’1\’ MONTH FROM DUAL;

E. SELECT SYSDATE “INTERRVAL \’1\’ DAY FROM DUAL;

Correct Answer: BC

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Question 14:

Examine This partial command:

CREATE TABLE cust(

cust_id NUMBER(2),

credit_limit NUMBER(10)

ORGANIZATION EXTERNAL

Which two clauses are required for this command to execute successfully?

A. the ACCESS PARAMETERS clause

B. the DEFAULT DIRECTORY clause

C. the access driver TYPE clause

D. the LOCATION clause

E. the REJECT LIMIT clause

Correct Answer: BD

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Question 15:

The sales data of a company is stored in two tables, SALES1 and SALES2, with some data being duplicated across the tables. You want to display the results from the SALES1 table, Which are not present in the SALES2 table.

Which set operator generates the required output?

A. INTERSECT

B. UNION

C. PLUS

D. MINUS

E. SUBTRACT

Correct Answer: D

References: https://docs.oracle.com/cd/B19306_01/server.102/b14200/queries004.htm

…

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