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Question 1:

Examine the create table statements for the stores and sales tables. SQL> CREATE TABLE stores(store_id NUMBER(4) CONSTRAINT store_id_pk PRIMARY KEY, store_name VARCHAR2(12), store_address VARCHAR2(20), start_date

DATE);

SQL> CREATE TABLE sales(sales_id NUMBER(4) CONSTRAINT sales_id_pk PRIMARY KEY, item_id NUMBER(4), quantity NUMBER(10), sales_date DATE, store_id NUMBER(4), CONSTRAINT store_id_fk FOREIGN KEY(store_id)

REFERENCES stores(store_id));

You executed the following statement:

SQL> DELETE from stores

WHERE store_id=900;

The statement fails due to the integrity constraint error:

ORA-02292: integrity constraint (HR.STORE_ID_FK) violated

Which three options ensure that the statement will execute successfully?

A. Disable the primary key in the STORES table.

B. Use CASCADE keyword with DELETE statement.

C. DELETE the rows with STORE_ID = 900 from the SALES table and then delete rows from STORES table.

D. Disable the FOREIGN KEY in SALES table and then delete the rows.

E. Create the foreign key in the SALES table on SALES_ID column with on DELETE CASCADE option.

Correct Answer: CDE

Question 2:

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

C. ORDER BY CUST_NO

D. ORDER BY 2, 1

E. ORDER BY “CUST_NO”

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 3:

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

A. A role can be granted to itself.

B. A role can be granted to PUBLIC.

C. A user can be granted only one role at any point of time.

D. The REVOKE command can be used to remove privileges but not roles from other users.

E. Roles are named groups of related privileges that can be granted to users or other roles.

Correct Answer: BE

http://docs.oracle.com/cd/E25054_01/network.1111/e16543/authorization.htm#autoId28

Question 4:

View the exhibit and examine the structure of the CUSTOMERS table.

Which two tasks would require subqueries or joins to be executed in a single statement?

A. finding the number of customers, in each city, whose credit limit is more than the average credit limit of all the customers

B. finding the average credit limit of male customers residing in \’Tokyo\’ or \’Sydney\’

C. listing of customers who do not have a credit limit and were born before 1980

D. finding the number of customers, in each city, who\’s marital status is \’married\’.

E. listing of those customers, whose credit limit is the same as the credit limit of customers residing in the city \’Tokyo\’.

Correct Answer: AE

Question 5:

View the exhibit and examine the description of the PRODUCT_INFORMATION table.

Which SQL statement would retrieve from the table the number of products having LIST_PRICE as NULL?

A. SELECT COUNT (DISTINCT list_price)FROM product_informationWHERE list_price is NULL

B. SELECT COUNT (NVL(list_price, 0))FROM product_informationWHERE list_price is NULL

C. SELECT COUNT (list_price)FROM product_informationWHERE list_price i= NULL

D. SELECT COUNT (list_price)FROM product_informationWHERE list_price is NULL

Correct Answer: B

1Z0-071 PDF Dumps1Z0-071 VCE Dumps1Z0-071 Braindumps

Question 6:

The first DROP operation is performed on PRODUCTS table using the following command:

DROP TABLE products PURGE;

Then you performed the FLASHBACK operation by using the following command:

FLASHBACK TABLE products TO BEFORE DROP;

Which statement describes the outcome of the FLASHBACK command?

A. It recovers only the table structure.

B. It recovers the table structure, data, and the indexes.

C. It recovers the table structure and data but not the related indexes.

D. It is not possible to recover the table structure, data, or the related indexes.

Correct Answer: D

https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_9003.htm

Question 7:

You want to display 5 percent of the rows from the SALES table for products with the lowest AMOUNT_SOLD and also want to include the rows that have the same AMOUNT_SOLD even if this causes the output to exceed 5 percent of the rows.

Which query will provide the required result?

A. SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS WITH TIES;

B. SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS ONLY WITH TIES;

C. SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS WITH TIES ONLY;

D. SELECT prod_id, cust_id, amount_soldFROM salesORDER BY amount_soldFETCH FIRST 5 PERCENT ROWS ONLY;

Correct Answer: A

Question 8:

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 9:

Which two statements are true about Data Manipulation Language (DML) statements?

A. An INSERT INTO…VALUES.. statement can add multiple rows per execution to a table.

B. An UPDATE… SET… statement can modify multiple rows based on multiple conditions on a table.

C. A DELETE FROM….. statement can remove rows based on only a single condition on a table.

D. An INSERT INTO… VALUES….. statement can add a single row based on multiple conditions on a table.

E. A DELETE FROM….. statement can remove multiple rows based on multiple conditions on a table.

F. An UPDATE….SET…. statement can modify multiple rows based on only a single condition on a table.

Correct Answer: BE

http://www.techonthenet.com/sql/and_or.php

Question 10:

Examine the command:

SQL> ALTER TABLE books_transactions

ADD CONSTRAINT fk_book_id FOREIGN KEY (book_id)

REFERENCES books (book_id) ON DELETE CASCADE;

What does ON DELETE CASCADE imply?

A. When the BOOKS table is dropped, the BOOK_TRANSACTIONS table is dropped.

B. When the BOOKS table is dropped, all the rows in the BOOK_TRANSACTIONS table are deleted but the table structure is retained.

C. When a row in the BOOKS table is deleted, the rows in the BOOK_TRANSACTIONS table whose BOOK_ID matches that of the deleted row in the BOOKS table are also deleted.

D. When a value in the BOOKS.BOOK_ID column is deleted, the corresponding value is updated in the BOOKS_TRANSACTIONS.BOOK_ID column.

Correct Answer: C

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