2024 Latest 1z1-071 dumps - Instant Download PDF [Q154-Q175]

2024 Latest 1z1-071 dumps – Instant Download PDF [Q154-Q175]

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2024 Latest 1z1-071 dumps – Instant Download PDF

Updated Verified 1z1-071 Downloadable Printable Exam Dumps

Oracle 1z1-071 (Oracle Database SQL) Certification Exam is a challenging exam that requires preparation and dedication. To pass the exam, candidates must have a solid understanding of SQL concepts and be able to apply them in real-world scenarios. Oracle offers a range of training and study materials to help candidates prepare for the exam, including online courses, practice exams, and study guides.

NEW QUESTION 154
Examine the description of the PRODUCT_ DETAILS table:

Which two statements are true?

PRODUCT_ PRICE can be used in an arithmetic expression even if it has no value stored in it.

PRODUCT_ ID can be assigned the PRIMARY KEY constraint.

EXPIRY_ DATE cannot be used in arithmetic expressions.

EXPIRY_ DATE contains the SYSDATE by default if no date is assigned to it.

PRODUCT_ PRICE contains the value zero by default if no value is assigned to it.

PRODUCT_ NAME cannot contain duplicate values.

NEW QUESTION 155
Which statement is true about an inner join specified in the WHERE clause of a query?

It must have primary-key and foreign key constraints defined on the columns used in the join condition.

It requires the column names to be the same in all tables used for the join conditions.

It is applicable for equijoin and nonequijoin conditions.

It is applicable for only equijoin conditions.

NEW QUESTION 156
Which two statements are true regarding roles? (Choose two.)

A role can be granted to itself.

A role can be granted to PUBLIC.

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

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

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

NEW QUESTION 157
Examine the description or the BOOKS_TRANSACTIONS table:

FOR customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.
Which query should be used?

SELECT cust_first_name, cust_credit_limit * . 05 AS DUE AMOUNT
FROM customers
WHERE cust income_level !=NULL
AND cust credit_level !=NULL;

SELECT cust_first_name, cust_credit_limit * . 05 AS DUE AMOUNT
FROM customers
WHERE cust income_level IS NOT NULL
AND due_amount IS NOT NULL;

SELECT cust_first_name, cust_credit_limit * . 05 AS DUE AMOUNT
FROM customers
WHERE cust income_level <> NULL
AND due_amount <> NULL;

SELECT cust_first_name, cust_credit_limit * . 05 AS DUE AMOUNT
FROM customers
WHERE cust_income_level IS NOT NULL
AND cust_credit_limit IS NOT NULL;

SELECT cust_first_name, cust_credit_limit * . 05 AS DUE AMOUNT
FROM customers
WHERE cust income_level !=NULL
AND due_amount !=NULL;

NEW QUESTION 158
Which two are true about queries using set operators (UNION, UNION ALL, INTERSECT and MINUS)?

There must be an equal number of columns in each SELECT list.

The name of each column in the first SELECT list must match the name of the corresponding column in each subsequent SELECT list.

Each SELECT statement in the query can have an ORDER BY clause.

None of the set operators can be used when selecting CLOB columns.

The FOR UPDATE clause cannot be specified.

NEW QUESTION 159
Evaluate the following query

What is the correct output of the above query?

+00-300, +00-650, +00 11:12:10.123457

+25-00, +54-02, +00 11:12:10.123457

+00-300, +54-02, +00 11:12:10.123457

+25-00, +00-650, +00 11:12:10.123457

NEW QUESTION 160
Which three statements are true about performing DML operations on a view with no Instead of triggers defined?

WITH CHECK clause has no effect when deleting rows from the underlying table through the view.

Insert statements can always be done on a table through a view.

Views cannot be used to add rows to an underlying table if the table has columns with NOT NULL constraints lacking default values which are not referenced in the defining query of the view.

Views cannot be used to add or modify rows in an underlying table if the defining query of the view contains the DISTINCT keyword.

Delete statements can always be done on a table tough a view.

Views cannot be used to query rows from an underlying table if the table has a PRIMARY KEY and the PRIMARY KEY columns are not referenced in the defining query of the view.

NEW QUESTION 161
View the exhibit and examine the structure and data in the invoice table. (Choose two.)

Which two SQL statements would execute successfully?

SELECT MAX(AVG(SYSDATE -inv_date)) FROM invoice

SELECT AVG(inv_date) FROM invoice

SELECT MAX(inv_date), MIN(cust_id) FROM invoice

SELECT AVG( inv_date -SYSDATE), AVG(inv_amt) FROM invoice

NEW QUESTION 162
Examine these statements which execute successfully:

Both statements display departments ordered by their average salaries.
Which two are true?

Both statements will display departments with no employees.

Only the first statement will display departments with no employees.

Only the first statement will execute successfully if you add E.AVG_SAL to the select list.

Only the second statement will execute successfully if you add E.AVG_SAL to the select list.

Both statements will execute successfully If you add E.AVG_SAL. to the select list.

Only the second statement will display departments with no employees.

NEW QUESTION 163
Examine this SQL statement:
DELETE FROM employees e
WHERE EXISTS
(SELECT’dummy’
FROM emp_history
WHERE employee_id = e.employee_id)
Which two are true?

The subquery is executed for every row in the EMPLOYEES table.

The subquery is not a correlated subquery.

The subquery is executed before the DELETE statement is executed.

All existing rows in the EMPLOYEE table are deleted.

The DELETE statement executes successfully even if the subquery selects multiple rows.

NEW QUESTION 164
Which two statements are true about the SET VERIFY ON command?

It displays values for variables created by the DEFINE command.

It can be used in SQL Developer and SQL*Plus.

It can be used only in SQL*plus.

It displays values for variables prefixed with &&.

It displays values for variables used only in the WHERE clause of a query.

NEW QUESTION 165
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.

ORDER BY “Last name”

ORDER BY 2, cust_id

ORDER BY CUST_NO

ORDER BY 2, 1

ORDER BY “CUST_NO”

NEW QUESTION 166
View the Exhibit and examine PRODUCTS and ORDER_ITEMS tables.

You executed the following query to display PRODUCT_NAME and the number of times the product has been ordered:
SQL>SELECT p.product_name, i.item_cnt
FROM (SELECT product_id, COUNT (*) item_cnt
FROM order_items
GROUP BY product_id) i RIGHT OUTER JOIN products p
ON i.product_id = p.product_id;
What would happen when the above statement is executed?

The statement would execute successfully to produce the required output.

The statement would not execute because inline views and outer joins cannot be used together.

The statement would not execute because the ITEM_CNT alias cannot be displayed in the outer query.

The statement would not execute because the GROUP BY clause cannot be used in the inline.

NEW QUESTION 167
Which three actions can you perform on an existing table containing data? (Choose three.)

Add a new NOT NULL column with a DEFAULT value

Change the default value of a column

Change a DATE column containing data to a NUMBER data type

Add a new column as the table’s first column

Define a default value that is automatically inserted into a column containing nulls

Increase the width of a numeric column

NEW QUESTION 168
Examine this list of queries:
Which two statements are true?

1 and 4 give the same result.

2 returns the value 20.

2 and 3 give the same result.

3 returns an error.

1 and 4 give different results.

NEW QUESTION 169
Which three statements are true? (Choose three.)

The data dictionary is created and maintained by the database administrator.

Data dictionary views consist of joins of dictionary base tables and user-defined tables.

The usernames of all users including database administrators are stored in the data dictionary.

The USER_CONS_COLUMNS view should be queried to find the names of columns to which constraints apply.

Both USER_OBJECTS and CAT views provide the same information about all objects that are owned by the user.

Views with the same name but different prefixes, such as DBA, ALL and USER, reference the same base tables from the data dictionary.

NEW QUESTION 170
Examine the data in the CUST_NAME column of the CUSTOMERS table.

You want to extract only those customer names that have three names and display the * symbol in place of the first name as follows:

Which two queries give the required output?

SELECT LPAD(SUBSTR(cust_name, INSTR(cust_name, ‘ ‘)),LENGTH(cust_name),’*’) “CUST NAME”FROM customersWHERE INSTR(cust_name, ‘ ‘,1,2)<>0;

SELECT LPAD(SUBSTR(cust_name, INSTR(cust_name, ‘ ‘)),LENGTH(cust_name),’*’) “CUST NAME”FROM customersWHERE INSTR(cust_name, ‘ ‘,-1,2)<>0;

SELECT LPAD(SUBSTR(cust_name, INSTR (cust_name ‘ ‘)),LENGTH(cust_name) – INSTR(cust_name, ‘ ‘), ‘*’) “CUST NAME”FROM customersWHERE INSTR(cust_name, ‘ ‘,1,-2)<>0;

SELECT LPAD(SUBSTR(cust_name, INSTR (cust_name ‘ ‘)),LENGTH(cust_name) – INSTR(cust_name, ‘ ‘), ‘*’) “CUST NAME”FROM customersWHERE INSTR(cust_name, ‘ ‘,1,2)<>0;

NEW QUESTION 171
View the exhibit and examine the structures of the EMPLOYEES and DEPARTMENTS tables.
EMPLOYEES
NameNull?Type
———————- ————-
EMPLOYEE_IDNOT NULLNUMBER(6)
FIRST_NAMEVARCHAR2(20)
LAST_NAMENOT NULLVARCHAR2(25)
HIRE_DATENOT NULLDATE
JOB_IDNOT NULLVARCHAR2(10)
SALARYNUMBER(10,2)
COMMISSIONNUMBER(6,2)
MANAGER_IDNUMBER(6)
DEPARTMENT_IDNUMBER(4)
DEPARTMENTS
NameNull?Type
———————- ————-
DEPARTMENT_IDNOT NULLNUMBER(4)
DEPARTMENT_NAMENOT NULLVARCHAR2(30)
MANAGER_IDNUMBER(6)
LOCATION_IDNUMBER(4)
You want to update EMPLOYEES table as follows:
You issue the following command:
SQL> UPDATE employees
SET department_id
(SELECT department_id
FROM departments
WHERE location_id = 2100),
(salary, commission)
(SELECT 1.1*AVG(salary), 1.5*AVG(commission)
FROM employees, departments
WHERE departments.location_id IN(2900, 2700, 2100))
WHERE department_id IN
(SELECT department_id
FROM departments
WHERE location_id = 2900
OR location_id = 2700;
What is outcome?

It generates an error because multiple columns (SALARY, COMMISSION) cannot be specified together in an UPDATE statement.

It generates an error because a subquery cannot have a join condition in a UPDATE statement.

It executes successfully and gives the desired update

It executes successfully but does not give the desired update

NEW QUESTION 172
Examine the structure proposed for the TRANSACTIONS table:

Which two statements are true regarding the storage of data in the above table structure? (Choose two.)

The CUST_CREDIT_VALUE column would allow storage of positive and negative integers.

The TRANS_VALIDITY column would allow storage of a time interval in days, hours, minutes, and seconds.

The CUST_STATUS column would allow storage of data up to the maximum VARCHAR2 size of 4,000 characters.

The TRANS_DATE column would allow storage of dates only in the dd-mon-yyyy format.

NEW QUESTION 173
Examine these statements executed in a single Oracle session:

Which three statements are true? (Choose three.)

The code for penis 1.

There is no row containing pencil.

The code for fountain penis 3.

The code for penis 10.

There is no row containing fountain pen.

There is no row containing pen.

NEW QUESTION 174
You want to display 5 percent of the rows from the sales table for products with the lowestAMOUNT_SOLD and also want to include the rows that have the sameAMOUNT_SOLDeven if this causes the output to exceed 5 percent of the rows.
Which query willprovide the required result?

SELECT prod_id, cust_id, amount_sold FROM sales ORDER BY amount_sold FETCH FIRST 5 PERCENT ROWS WITH TIES;

SELECT prod_id, cust_id, amount_sold FROM sales ORDER BY amount_sold FETCH FIRST 5 PERCENT ROWS ONLY WITH TIES;

SELECT prod_ id, cust_id, amount_sold FROM sales ORDER BY araount_sold FETCH FIRST 5 PERCENT ROWS WITH TIES ONLY;

SELECT prod_id, cust_id, amount_sold FROM sales ORDER BY amount__sold FETCH FIRST 5 PERCENT ROWS ONLY;

NEW QUESTION 175
View the exhibit and examine the description for the SALESand CHANNELStables.

You issued this SQL statement:

Which statement is true regarding the result?

The statement will fail because the subquery in the VALUESclause is not enclosed within single quotation marks.

The statement will fail because a subquery cannot be used in a VALUESclause.

The statement will fail because the VALUESclause is not required with a subquery.

The statement will execute and a new row will be inserted in the SALEStable.

The Oracle 1z1-071 exam comprises 73 multiple-choice questions and is timed for 105 minutes. 1z1-071 exam is divided into six sections, each with its set of questions. The first section tests the candidates’ knowledge of SQL SELECT statements, including the use of basic functions, expressions, and clauses. The second section tests the candidates’ knowledge of SQL DML statements, including the use of INSERT, UPDATE, DELETE, and MERGE statements. The third section tests the candidates’ knowledge of SQL Joins, including inner, outer, and self-joins.

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