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Oracle Database SQL | 1Z0-071 – Oracle University: https://education.oracle.com/oracle-database-sql/pexam_1Z0-071

Latest Updates Oracle 1Z0-071 Exam Practice Questions and Answers

QUESTION 1

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

Which two WHERE clause conditions demonstrate the correct usage of conversion functions? (Choose two.)
A. WHERE order_date_IN ( TO_DATE(\’OCT 21 2003\’,\’MON DD YYYY\’), TO_CHAR(\’NOV 21 2003\’,\’MON DD
YYYY\’) )
B. WHERE order_date > TO_CHAR(ADD_MONTHS(SYSDATE,6),\’MON DD YYYY\’)
C. WHERE TO_CHAR(order_date,\’MON DD YYYY\’) = \’JAN 20 2003\’
D. WHERE order_date > TO_DATE(\’JUL 10 2006\’,\’MON DD YYYY\’)

Correct Answer: CD

QUESTION 2

Examine the structure of the SALES table.

Examine this statement:

Which two statements are true about the SALES1 table? (Choose two.)
A. It will not be created because the column-specified names in the SELECT and CREATE TABLE clauses do not
match.
B. It will have NOT NULL constraints on the selected columns which had those constraints in the SALES table.
C. It will not be created because of the invalid WHERE clause.
D. It is created with no rows.
E. It has PRIMARY KEY and UNIQUE constraints on the selected columns which had those constraints in the SALES
table.

Correct Answer: BD

QUESTION 3

In which three situations does a transaction complete?
A. when a PL/SQL anonymous block is executed
B. when a DELETE statement is executed
C. when a ROLLBACK command is executed
D. when a data definition language (DDL) statement is executed
E. when a TRUNCATE statement is executed after the pending transaction

Correct Answer: CDE

References: https://docs.oracle.com/cd/B19306_01/server.102/b14220/transact.htm

QUESTION 4

View the Exhibit and examine the data in the PROMOTIONS table.

PROMO_BEGIN_DATE is stored in the default date format, dd-mon-rr.
You need to produce a report that provides the name, cost, and start date of all promos in the POST category that were
launched before January 1, 2000.
Which SQL statement would you use?
A. SELECT promo_name, promo_cost, promo_begin_date FROM promotions WHERE promo_category = \’post\’ AND
promo_begin_date
B. SELECT promo_name, promo_cost, promo_begin_date FROM promotions WHERE promo_category LIKE \’P%\’
AND promo_begin_date
C. SELECT promo_name, promo_cost, promo_begin_date FROM promotions WHERE promo_cost LIKE \’post%\’
AND promo_begin_date
D. SELECT promo_name, promo_cost, promo_begin_date FROM promotions WHERE promo_category LIKE
\’%post%\’ AND promo_begin_date

Correct Answer: D

QUESTION 5

Examine the types and examples of a relationship that follow:
1 One-to-one a) teacher to Student 2 One-to-many b) Employees to Manager 3 Many-to-one c) Person to SSN 4 Many-to-many d) Customers to Products
Which option indicates correctly matched relationships?
A. 1-d, 2-b, 3-a, and 4-c
B. 1-c, 2-d, 3-a, and 4-b
C. 1-a, 2-b, 3-c, and 4-d
D. 1-c, 2-a, 3-b, and 4-d

Correct Answer: C

QUESTION 6

Examine the description of the EMPLOYEES table: Which query requires explicit data type conversion?

A. SELECT join_date FROM employees WHERE join_date > \’10-02-2018\’;

B. SELECT salary +

C. SELECT SUBSTR(join_date, 1, 2) ?10 FROM employees;

D. SELECT join_date + 20\\' FROM employees;

E. SELECT join_date || ` || salary FROM employees;

Correct Answer: D

QUESTION 7

Which statement is true regarding the default behavior of the ORDER BY clause?
A. In a character sort, the values are case-sensitive.
B. NULLs are not included in the sort operation.
C. Only columns that are specified in the SELECT list can be used in the ORDER BY clause.
D. Numeric values are displayed in descending order if they have decimal positions.
E. Column aliases can be used in the ORDER BY clause.

Correct Answer: A

The ORDER BY clause performs a case sensitive sorting with character values.

QUESTION 8

Evaluate the following SQL statement:
SELECT product_name || \’it\’s not available for order\’
FROM product_information
WHERE product_status = \’obsolete\’;
You received the following error while executing the above query:
ERROR
ORA-01756: quoted string not properly terminated
What would you do to execute the query successfully?
A. Remove the single quotation marks enclosing the character literal string in the SELECT clause
B. Use the escape character to negate the single quotation mark within the literal character string in the SELECT
clause
C. Enclose the character literal string in the SELECT clause within double quotation marks
D. Use the Oracle (q) operator and delimiter to allow the use of a single quotation mark within the literal character string
in the SELECT clause

Correct Answer: D

References: http://docs.oracle.com/cd/B19306_01/server.102/b14200/sql_elements003.htm

QUESTION 9

Examine this description of the PRODUCTS table:

Rows exist in this table with data in all the columns. You put the PRODUCTS table in read-only mode.
Which three commands execute successfully on PRODUCTS?
A. DROP TABLE products;
B. ALTER TABLE products DROP COLUMN expiry_date;
C. ALTER TABLE products SET UNUSED (expiry_date);
D. ALTER TABLE products DROP UNUSED COLUMNS;
E. CREATE INDEX price_idx ON products (price);
F. TRUNCATE TABLE products;

Correct Answer: AEF

QUESTION 10

View the exhibit and examine the ORDERS table.

The ORDERS table contains data and all orders have been assigned a customer ID. Which statement would add a NOT
NULL constraint to the CUSTOMER_ID column?
A. ALTER TABLE orders MODIFY CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
B. ALTER TABLE orders ADD CONSTRAINT orders_cust_id_nn NOT NULL (customer_id);
C. ALTER TABLE orders MODIFY customer_id CONSTRAINT orders_cust_nn NOT NULL (customer_id);
D. ALTER TABLE orders ADD customer_id NUMBER(6)CONSTRAINT orders_cust_id_nn NOT NULL;

Correct Answer: C

QUESTION 11

Which four statements are true regarding primary and foreign key constraints and the effect they can have on table
data? (Choose four.)
A. It is possible for child rows that have a foreign key to remain in the child table at the time the parent row is deleted
B. Only the primary key can be defined at the column and table level
C. The foreign key columns and parent table primary key columns must have the same names
D. A table can have only one primary key and one foreign key
E. A table can have only one primary key but multiple foreign keys
F. Primary key and foreign key constraints can be defined at both the column and table level
G. It is possible for child rows that have a foreign key to be deleted automatically from the child table at the time the
parent row is deleted

Correct Answer: CEFG

QUESTION 12

Evaluate the following query:
SQL> SELECT TRUNC (ROUND(156.00, -1),-1) FROM DUAL;
What would be the outcome?
A. 150
B. 200
C. 160
D. 16
E. 100

Correct Answer: C

References: https://docs.oracle.com/cd/B19306_01/server.102/b14200/functions135.htm
https://docs.oracle.com/cd/B28359_01/olap.111/b28126/dml_functions_2127.htm

QUESTION 13

No-user-defined locks are used in your database.
Which three are true about Transaction Control Language (TCL)?
A. COMMIT erases all the transaction\’s savepoints and releases its locks.
B. ROLLBACK TO SAVEPOINT undoes the transaction\’s changes made since the named savepoint and then ends
the transaction.
C. COMMIT ends the transaction and makes all its changes permanent.
D. ROLLBACK without the TO SAVEPOINT clause undoes all the transaction\’s changes but does not erase its
savepoints.
E. ROLLBACK without the TO SAVEPOINT clause undoes all the transaction\’s changes but does not release its
locks.
F. ROLLBACK without the TO SAVEPOINT clause undoes all the transaction\’s changes, releases its locks, and erases
its savepoints.

Correct Answer: ACF

Reference: https://docs.oracle.com/cd/A58617_01/server.804/a58233/trans.htm
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_9021.htm

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