1z0-051 Oracle

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Sample Questions

Free 1Z0-051 Sample Question 1

Evaluate the SQL statement:
TRUNCATE TABLE DEPT;
Which three are true about the SQL statement? (Choose three.)

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Free 1Z0-051 Sample Question 2

You need to design a student registration database that contains several tables storing academic information.
The STUDENTS table stores information about a student. The STUDENT_GRADES table stores information about the student's grades. Both of the tables have a column named STUDENT_ID. The STUDENT_ID column in the STUDENTS table is a primary key.
You need to create a foreign key on the STUDENT_ID column of the STUDENT_GRADES table that points to the STUDENT_ID column of the STUDENTS table. Which statement creates the foreign key?

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Free 1Z0-051 Sample Question 3

Here is the structure and data of the CUST_TRANS table:
Exhibit:
httpswwwdumps4downloadusonline-quizwp-contentuploads20151142png Dates are stored in the default date format dd-mm-rr in the CUST_TRANS table. Which three SQL statements would execute successfully? (Choose three.)

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Free 1Z0-051 Sample Question 4

See the Exhibit and examine the structure and data in the INVOICE table:
Exhibit:
httpswwwdumps4downloadusonline-quizwp-contentuploads20151151png Which two SQL statements would executes successfully? (Choose two.)

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Free 1Z0-051 Sample Question 5

Which three statements are true regarding sub queries? (Choose three.)

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Free 1Z0-051 Sample Question 6

See the Exhibit and examine the structure of the CUSTOMERS table: httpswwwdumps4downloadusonline-quizwp-contentuploads20151161png Using the CUSTOMERS table, you need to generate a report that shown the average credit limit for customers in WASHINGTON and NEW YORK.
Which SQL statement would produce the required result?

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Free 1Z0-051 Sample Question 7

Evaluate these two SQL statements:
SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY salary DESC; SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY 2 DESC;
What is true about them?

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Free 1Z0-051 Sample Question 8

Where can sub queries be used? (Choose all that apply)

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Free 1Z0-051 Sample Question 9

Which three SQL statements would display the value 1890.55 as $1,890.55? (Choose three.)

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Free 1Z0-051 Sample Question 10

Evaluate the following SQL statement: httpswwwdumps4downloadusonline-quizwp-contentuploads20151171png Which statement is true regarding the outcome of the above query?

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Free 1z0-051 Sample Question 11

Which statement correctly describes SQL and /SQL*Plus?

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Free 1z0-051 Sample Question 12

Which four are types of functions available in SQL? (Choose 4)

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Free 1z0-051 Sample Question 13

Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables:

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/12/53.png

Which MERGE statement is valid?

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Free 1z0-051 Sample Question 14

Which view should a user query to display the columns associated with the constraints on a table owned by the user?

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Free 1z0-051 Sample Question 15

The COMMISSION column shows the monthly commission earned by the employee. Exhibit

https://www.dumps4download.us/online-quiz/wp-content/uploads/2015/12/64-1.png

Which two tasks would require sub queries or joins in order to be performed in a single step? (Choose two.)

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Free 1z0-051 Sample Question 16

Examine the structure of the STUDENTS table:

https://www.dumps4download.us/online-quiz/wp-content/uploads/2016/01/38.png

You need to create a report of the 10 students who achieved the highest ranking in the course INT SQL and who completed the course in the year 1999.
Which SQL statement accomplishes this task?

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Free 1z0-051 Sample Question 17

Evaluate the following SQL statements:
Exhibit:

https://www.dumps4download.us/online-quiz/wp-content/uploads/2016/01/70.png

The above command fails when executed. What could be the reason?

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Free 1z0-051 Sample Question 18

Evaluate the following SQL statements:
DELETE FROM sales;
There are no other uncommitted transactions on the SALES table.
Which statement is true about the DELETE statement?

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Free 1z0-051 Sample Question 19

Examine the structure of the EMPLOYEES table:

https://dumps4download.us/exam/wp-content/uploads/2016/01/82.png

You want to create a SQL script file that contains an INSERT statement. When the script is run, the INSERT statement should insert a row with the specified values into the EMPLOYEES table. The INSERT statement should pass values to the table columns as specified below:

https://dumps4download.us/exam/wp-content/uploads/2016/01/83.png

Which INSERT statement meets the above requirements?

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Free 1z0-051 Sample Question 20

Which two statements are true regarding constraints? (Choose two.)

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Free 1z0-051 Sample Question 21

Which two statements are true about sequences created in a single instance database? (Choose two.)

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Free 1z0-051 Sample Question 22

The ORDERS TABLE belongs to the user OE. OE has granted the SELECT privilege on the ORDERS table to the user HR.
Which statement would create a synonym ORD so that HR can execute the following query successfully?
SELECT * FROM ord;

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Free 1z0-051 Sample Question 23

Evaluate this SQL statement:
SELECT e.emp_name, d.dept_name
FROM employees e
JOIN departments d
USING (department_id)
WHERE d.department_id NOT IN (10,40)
ORDER BY dept_name;
The statement fails when executed. Which change fixes the error?

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Free 1z0-051 Sample Question 24

Examine the statement:
Create synonym emp for hr.employees;
What happens when you issue the statement?

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