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Question 1:

Which three statements are true regarding the SQL WHERE and HAVING clauses?

A. The HAVING clause conditions can have aggregating functions.

B. The HAVING clause conditions can use aliases for the columns.

C. The WHERE and HAVING clauses cannot be used together in a SQL statement.

D. The WHERE clause is used to exclude rows before grouping data.

E. The HAVING clause is used to exclude one or more aggregated results after grouping data.

Correct Answer: ADE

Question 2:

Examine the structure of the MEMBERS table. NameNull?Type

MEMBER_IDNOT NULLVARCHAR2 (6)

FIRST_NAMEVARCHAR2 (50)

LAST_NAMENOT NULLVARCHAR2 (50)

ADDRESSVARCHAR2 (50)

CITYVARCHAR2 (25)

STATENOT NULL VARCHAR2 (3)

Which query can be used to display the last names and city names only for members from the states MO and MI?

A. SELECT last_name, city FROM members WHERE state =\’MO\’ AND state =\’MI\’;

B. SELECT last_name, city FROM members WHERE state LIKE \’M%\’;

C. SELECT last_name, city FROM members WHERE state IN (\’MO\’, \’MI\’);

D. SELECT DISTINCT last_name, city FROM members WHERE state =\’MO\’ OR state =\’MI\’;

Correct Answer: C

Question 3:

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

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 4:

View the Exhibit and examine the structures of the employees and departments tables.

You must update the employees table according to these requirements::

-Update only those employees who work in Boston or Seattle (locations 2900 and 2700).

-Set department_id for these employees to the department id corresponding to London (locationid 2100). -Set the employees\’ salary in iocation_id 2100 to 1.1 times the average salary of their department.

-Set the employees\’ commission In location_id 2100 to 1.5 times the average commission of their department.

You issue this command:

What is the result?

A. It executes successfully but does not produce the desired update.

B. It executes successfully and produces the desired update.

C. It generates an error because multiple columns cannot be specified together in an UPDATE statement.

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

Correct Answer: A

Question 5:

Which three arithmetic operations can be performed on a column by using a SQL function that is built into Oracle database? (Choose three.)

A. Finding the lowest value

B. Finding the quotient

C. Raising to a power

D. Subtraction

E. Addition

Correct Answer: ACE

Latest 1Z0-071 Dumps1Z0-071 PDF Dumps1Z0-071 Study Guide

Question 6:

Which statement is true regarding the default behavior of the ORDER BY clause?

A. In a character sort, the values are case-sensitive.

B. NULL values are not considered at all by the sort operation.

C. Only those columns that are specified in the SELECT list can be used in the ORDER BY clause.

D. Numeric values are displayed from the maximum to the minimum value if they have decimal positions.

Correct Answer: A

Question 7:

Which two statements are true regarding the COUNT function?

A. A SELECT statement using the COUNT function with a DISTINCT keyword cannot have a WHERE clause.

B. COUNT (DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates and NULL values in the INV_AMT column.

C. COUNT (cust_id) returns the number of rows including rows with duplicate customer IDs and NULL value in the CUST_ID column.

D. COUNT (*) returns the number of rows including duplicate rows and rows containing NULL value in any of the columns.

E. The COUNT function can be used only for CHAR, VARCHAR2, and NUMBER data types.

Correct Answer: BD

Question 8:

Evaluate the following SQL statements that are issued in the given order:

CREATE TABLE emp

(emp_no NUMBER(2) CONSTRAINT emp_emp_no_pk PRIMARY KEY,

ename VARCHAR2(15),

salary NUMBER (8,2),

mgr_no NUMBER(2) CONSTRAINT emp_mgr_fk REFERENCES emp(emp_no));

ALTER TABLE emp

DISABLE CONSTRAINT emp_emp_no_pk CASCADE;

ALTER TABLE emp

ENABLE CONSTRAINT emp_emp_no_pk;

What would be the status of the foreign key EMP_MGR_PK?

A. It would remain disabled and can be enabled only by dropping the foreign key constraint and recreating it.

B. It would remain disabled and has to be enabled manually using the ALTER TABLE command.

C. It would be automatically enabled and immediate.

D. It would be automatically enabled and deferred.

Correct Answer: B

Question 9:

The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables issues the following GRANT command:

GRANT ALL

ON orders, order_items

TO PUBLIC;

What correction needs to be done to the above statement?

A. PUBLIC should be replaced with specific usernames.

B. ALL should be replaced with a list of specific privileges.

C. WITH GRANT OPTION should be added to the statement.

D. Separate GRANT statements are required for ORDERS and ORDER_ITEMS tables.

Correct Answer: D

http://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqljgrant.html

Question 10:

View the exhibit for the structure of the STUDENT and FACULTY tables. STUDENT NameNull?Type

STUDENT_IDNOT NULLNUMBER(2)

STUDENT_NAMEVARCHAR2(20)

FACULTY_IDVARCHAR2(2)

LOCATION_IDNUMBER(2)

FACULTY

NameNull?Type

FACULTY_IDNOT NULLNUMBER(2)

FACULTY_NAMEVARCHAR2(20)

LOCATION_IDNUMBER(2)

You need to display the faculty name followed by the number of students handled by the faculty at the base location.

Examine the following two SQL statements:

Statement 1

SQL>SELECT faculty_name, COUNT(student_id)

FROM student JOIN faculty

USING (faculty_id, location_id)

GROUP BY faculty_name;

Statement 2

SQL>SELECT faculty_name, COUNT(student_id)

FROM student NATURAL JOIN faculty

GROUP BY faculty_name;

Which statement is true regarding the outcome?

A. Only statement 2 executes successfully and gives the required result.

B. Only statement 1 executes successfully and gives the required result.

C. Both statements 1 and 2 execute successfully and give different results.

D. Both statements 1 and 2 execute successfully and give the same required result.

Correct Answer: B

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