New Oracle 1z0-071 Exam With Updated Exam Questions – [Jan-2018 Dumps]

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1z0-071 exam questions, 1z0-071 PDF dumps; 1z0-071 exam dumps:: (83 Q&A) (New Questions Are 100% Available! Also Free Practice Test Software!)

Latest and Most Accurate Oracle 1z0-071 Dumps Exam Questions and Answers:

Version: 7.0
Question: 21

The following are the steps for a correlated subquery, listed in random order:
1) The WHERE clause of the outer query is evaluated.
2) The candidate row is fetched from the table specified in the outer query.
3) The procedure is repeated for the subsequent rows of the table, till all the rows are processed.
4) Rows are returned by the inner query, after being evaluated with the value from the candidate row in the outer query. Identify the option that contains the steps in the correct sequence in which the Oracle server evaluates a correlated subquery.

A. 4,2,1,3
B. 4,1,2,3
C. 2,4,1,3
D. 2,1,4,3

Answer: C

Question: 22

Evaluate the following SQL query;

What would be the outcome?

A. 200
B. 16
C. 160
D. 150
E. 100

Answer: C

Function Purpose
ROUND(column|expression, n) Rounds the column, expression, or value to n decimal places or, if n is omitted, no decimal places (If n is negative, numbers to the left of decimal point are rounded.)
TRUNC(column|expression, n) Truncates the column, expression, or value to n decimal places or, if n is omitted, n defaults to zero

Question: 23

Which statement correctly grants a system privilege?

ON prod
ON tablel TO
TO used ,user2;

Answer: C

Question: 24

View the Exhibit and examine the structure of ORDERS and CUSTOMERS tables.

Which INSERT statement should be used to add a row into the ORDERS table for the customer whose CUST LAST NAME is Roberts and CREDIT LIMIT is 600?

VALUES (1,’10-mar-2007′, ‘direct’,
(SELECT customer_id
FROM customers
WHERE cust_last_name=’Roberts’ AND
credit_limit=600), 1000);
B. INSERT INTO orders (order_id,order_date,order_mode,
(SELECT customer_id
FROM customers
WHERE cust_last_name=’Roberts’ AND
credit_limit=600) .order_total)
VALUES(1 ,’10-mar-2007′, ‘direct’, &&customer_id, 1000);
C. INSERT INTO orders (order_id.order_date.order_mode,
(SELECT customer_id
FROM customers
WHERE cust_last_name=’Roberts’ AND
credit _limit=600) .order_total)
VALUES(1 ,’IO-mar-2007′, ‘direct’, &customer_id, 1000);
D. INSERT INTO(SELECT o.order_id, o.order_date.o.orde_mode.c.customer_id, o.order_total FROM orders o, customers c
WHERE o.customer_id = c.customer_id
AND c.cust_last_name=’Roberts’ANDc. Credit_limit=600)
VALUES (1,’10-mar-2007′, ‘direct’,(SELECT customer_id
FROM customers
WHERE cust_last_name=’Roberts’ AND
Credit_limit=600), 1000);

Answer: A

Question: 25

Which statements are correct regarding indexes? (Choose all that apply.)

A. When a table is dropped, the corresponding indexes are automatically dropped.
B. For each DML operation performed, the corresponding indexes are automatically updated.
C. Indexes should be created on columns that are frequently referenced as part of an expression.
D. A non-deferrable PRIMARY KEY or UNIQUE KEY constraint in a table automatically creates a unique index.

Answer: A,B,D

Question: 26

View the Exhibit and examine the description of the DEPARTMENTS and EMPLOYEES tables.

To retrieve data for all the employees for their EMPLOYEE_ID, FIRST_NAME, and DEPARTMENT NAME, the following SQL statement was written:
SELECT employee_id, first_name, department_name
FROM employees NATURAL JOIN departments;
The desired output is not obtained after executing the above SQL statement. What could be the reason for this?

A. The NATURAL JOIN clause is missing the USING clause.
B. The table prefix is missing for the column names in the SELECT clause.
C. The DEPARTMENTS table is not used before the EMPLOYEES table in the FROM clause.
D. The EMPLOYEES and DEPARTMENTS tables have more than one column with the same column name and data type.

Answer: D

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