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Question 1:

Evaluate the following SQL statement: SQL> select cust_id, cust_last_name “Last name” FROM customers WHERE country_id = 10 UNION SELECT cust_id CUST_NO, cust_last_name FROM customers WHERE country_id = 30 Identify three ORDER BY clauses either one of which can complete the query.

A. ORDER BY “Last name”

B. ORDER BY 2, cust_id


D. ORDER BY 2, 1


Correct Answer: ABD

Using the ORDER BY Clause in Set Operations

-The ORDER BY clause can appear only once at the end of the compound query.

-Component queries cannot have individual ORDER BY clauses.

-The ORDER BY clause recognizes only the columns of the first SELECT query.

-By default, the first column of the first SELECT query is used to sort the output in an

ascending order.

Question 2:

Which task can be performed by using a single Data Manipulation Language (DML) statement?

A. Removing all data only from a single column on which a primary key constraint is defined.

B. Removing all data from a single column on which a unique constraint is defined.

C. Adding a column with a default value while inserting a row into a table.

D. Adding a column constraint while inserting a row into a table.

Correct Answer: A

Question 3:

View the Exhibit and examine the data in the PRODUCTS table. (Choose the best answer.)

You must display product names from the PRODUCTS table that belong to the \’Software/other\’ category with minimum prices as either $2000 or $4000 and with no unit of measure.

You issue this query:

SQL > SELECT prod_name, prod_category, prod_min_price FROM products

Where prod_category LIKE \’%Other%\’ AND (prod_min_price = 2000 OR prod_min_price = 4000) AND prod_unit_of_measure \’ \’;

Which statement is true?

A. It executes successfully but returns no result.

B. It executes successfully and returns the required result.

C. It generates an error because the condition specified for PROD_UNIT_OF_MEASURE is not valid.

D. It generates an error because the condition specified for the PROD_CATEGORY column is not valid.

Correct Answer: A

Question 4:

Examine the structure of the BOOKS_TRANSACTIONS table:

You want to display the member IDs, due date, and late fee as $2 for all transactions.

Which SQL statement must you execute?





Correct Answer: C

Question 5:

Which two tasks can be performed by using Oracle SQL statements?

A. changing the password for an existing database user

B. connecting to a database instance

C. querying data from tables across databases

D. starting up a database instance

E. executing operating system (OS) commands in a session

Correct Answer: AC

1Z0-071 PDF Dumps1Z0-071 Practice Test1Z0-071 Exam Questions

Question 6:

Which statement is true regarding the default behavior of the ORDER BY clause?

A. In a character sort, the values are case-sensitive.

B. NULL values are not considered at all by the sort operation.

C. Only those columns that are specified in the SELECT list can be used in the ORDER BY clause.

D. Numeric values are displayed from the maximum to the minimum value if they have decimal positions.

Correct Answer: A

Question 7:

Which statement is true regarding the default behaviour of the ORDER by clause?

A. Numeric values are displayed in descending order if they have decimal positions.

B. Only columns that are specified in the SELECT list can be used in the ORDER by clause.

C. In a character sort, the values are case-sensitive.

D. NULLs are not including in the sort operation

Correct Answer: C

Question 8:

The following are the steps for a correlated subquery, listed in random order:


The WHERE clause of the outer query is evaluated.


The candidate row is fetched from the table specified in the outer query.


This is repeated for the subsequent rows of the table, till all the rows are processed.


Rows are returned by the inner query, after being evaluated with the value from the candidate row in the outer query. Which is the correct sequence in which the Oracle server evaluates a correlated subquery?

A. 2, 1, 4, 3

B. 4, 1, 2, 3

C. 4, 2, 1, 3

D. 2, 4, 1, 3

Correct Answer: D

Question 9:

The BOOKS_TRANSACTIONS table exists in your schema in this database. You execute this SQL statement when connected to your schema in your database instance.

SQL> SELECT * FROM books_transactions ORDER BY 3;

What is the result?

A. The execution fails unless the numeral 3 in the ORDER BY clause is replaced by a column name.

B. All table rows are displayed sorted in ascending order of the values in the third column.

C. The first three rows in the table are displayed in the order that they are stored.

D. Only the three rows with the lowest values in the key column are displayed in the order that they are stored.

Correct Answer: B

Question 10:

View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables. (Choose the best answer.)

You executed this UPDATE statement:


( SELECT order_date, order_total, customer_id FROM orders)

Set order_date = \’22-mar-2007\’

WHERE customer_id IN

(SELECT customer_id FROM customers

WHERE cust_last_name = \’Roberts\’ AND credit_limit = 600);

Which statement is true regarding the execution?

A. It would not execute because a subquery cannot be used in the WHERE clause of an UPDATE statement.

B. It would not execute because two tables cannot be referenced in a single UPDATE statement.

C. It would execute and restrict modifications to the columns specified in the SELECT statement.

D. It would not execute because a SELECT statement cannot be used in place of a table name.

Correct Answer: C

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