Oracle 1z0-071 Actual Exam Practice(200 questions and correct answers)
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Oracle 1z0-071
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Oracle 1z0-071
Oracle 1z0-071 Actual Exam Practice(200 questions and correct answers)/Oracle 1z0-071 Actual Exam Practice(200 questions and correct answers)/Oracle 1z0-071 Actual Exam Practice(200 questions and correct answers)
Oracle 1z0-071 Actual Exam Practice
correct answer : ABD 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 : BDE Which three statements are true regarding the WHERE and HAVING
clauses in a SQL statement? (Choose three.)
A. WHERE and HAVING clauses cannot be used together in a SQL statement.
B. The HAVING clause conditions can have aggregate functions.
C. The HAVING clause conditions can use aliases for the columns.
D. The WHERE clause is used to exclude rows before the grouping of data.
E. The HAVING clause is used to exclude one or more aggregated results after grouping data.
correct answer A Which statement is true regarding external tables?
,Oracle 1z0-071 Actual Exam Practice
A. The CREATE TABLE AS SELECT statement can be used to upload data into a normal table in
the database from an external table.
B. The data and metadata for an external table are stored outside the database.
C. The default REJECT LIMIT for external tables is UNLIMITED.
D. ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when used
with an external table.
correct answer : BE 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 Which two statements are true regarding roles? (Choose two.)
,Oracle 1z0-071 Actual Exam Practice
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 : CD Which two statements are true regarding constraints? (Choose two)
A. A constraint is enforced only for an INSERT operation on a table.
B. A foreign key cannot contain NULL values.
C. A column with the UNIQUE constraint can store NULLS.
D. You can have more than one column in a table as part of a primary key.
correct answer : A Evaluate the following statement.
INSERT ALL
WHEN order_total < 10000 THEN
INTO small_orders
WHEN order_total > 10000 AND
order_total < 20000 THEN
INTO medium_orders
WHEN order_total > 200000
AND order_total < 20000 THEN
INTO large_orders
SELECT order_id, order_total,
customer_id FROM orders;
, Oracle 1z0-071 Actual Exam Practice
Which statement is true regarding the evaluation of rows returned by the subquery in the
INSERT statement?
A. They are evaluated by all the three WHEN clauses regardless of the results of the evaluation
of any other WHEN clause.
B. They are evaluated by the first WHEN clause. If the condition is true, then the row would be
evaluated by the subsequent WHEN clauses.
C. They are evaluated by the first WHEN clause. If the condition is false, then the row would be
evaluated by the subsequent WHEN clauses.
D. The insert statement would give an error because the ELSE clause is not present for support
in case none of WHEN clauses are true.
correct answer : B You want to display details of all members who reside in states starting
with the letter A followed by exactly one character. Which SQL statement must you execute?
A. SELECT * FROM MEMBERS WHERE state LIKE '%A_';
B. SELECT * FROM MEMBERS WHERE state LIKE 'A_';
C. SELECT * FROM MEMBERS WHERE state LIKE 'A_%';
D. SELECT * FROM MEMBERS WHERE state LIKE 'A%';
correct answer : A 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
even if this causes the output to exceed 5 percent of the rows. AMOUNT_SOLD -
Which query will provide the required result?
A. SELECT prod_id, cust_id, amount_sold FROM sales ORDER BY amount_sold FETCH FIRST 5
PERCENT ROWS WITH TIES;
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