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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:

Which task can be performed by using a single Data Manipulation Language (DML) statement?

A. Removing all data only from a single column on which a primary key constraint is defined.

B. Removing all data from a single column on which a unique constraint is defined.

C. Adding a column with a default value while inserting a row into a table.

D. Adding a column constraint while inserting a row into a table.

Correct Answer: A


Question 3:

Which three statements are true regarding the data types?

A. The minimum column width that can be specified for a VARCHAR2 data type column is one.

B. Only one LONG column can be used per table.

C. A TIMESTAMP data type column stores only time values with fractional seconds.

D. The BLOB data type column is used to store binary data in an operating system file.

E. The value for a CHAR data type column is blank-padded to the maximum defined column width.

Correct Answer: ABE


Question 4:

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


Question 5:

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

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


1Z0-071 PDF Dumps1Z0-071 VCE Dumps1Z0-071 Practice Test

Question 6:

Which two statements are true regarding the SQL GROUP BY clause?

A. You can use a column alias in the GROUP BY clause.

B. Using the WHERE clause after the GROUP BY clause excludes rows after creating groups.

C. The GROUP BY clause is mandatory if you are using an aggregating function in the SELECT clause.

D. Using the WHERE clause before the GROUP BY clause excludes rows before creating groups.

E. If the SELECT clause has an aggregating function, then columns without an aggregating function in the SELECT clause should be included in the GROUP BY clause.

Correct Answer: DE


Question 7:

View the Exhibit and examine the structure of the ORDER_ITEMS table. (Choose the best answer.)

You must select the ORDER_ID of the order that has the highest total value among all the orders in the ORDER_ITEMS table. Which query would produce the desired result?

A. SELECT order_idFROM order_itemsGROUP BY order_idHAVING SUM(unit_price*quantity) = (SELECT MAX (SUM(unit_price*quantity))FROM order_items GROUP BY order_id);

B. SELECT order_idFROM order_itemsWHERE(unit_price*quantity) = (SELECT MAX (SUM(unit_price*quantity)FROM order_items) GROUP BY order_id);

C. SELECT order_idFROM order_itemsWHERE(unit_price*quantity) = MAX(unit_price*quantity)GROUP BY order_id);

D. SELECT order_idFROM order_itemsWHERE (unit_price*quantity) = (SELECT MAX(unit_price*quantity)FROM order_itemsGROUP BY order_id)

Correct Answer: A


Question 8:

Examine these SQL statements that are executed in the given order:

CREATE TABLE emp

(emp_no NUMBER (2) CONSTRAINT emp_emp_no_pk PRIMARY KEY,

ename VARCHAR 2 (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 will be the status of the foreign key EMP_MGR_FK?

A. It will be enabled and immediate.

B. It will be enabled and deferred.

C. It will remain disabled and can be re-enabled manually.

D. It will remain disabled and can be enabled only by dropping the foreign key constraint and re-creating it.

Correct Answer: C


Question 9:

View the Exhibit and examine the details of PRODUCT_INFORMATION table. PRODUCT_NAME CATEGORY_ID SUPPLIER_ID Inkjet C/8/HQ

102094

Inkjet C/4 102090 LaserPro 600/6/BW

102087

LaserPro 1200/8/BW 102099 Inkjet B/6

102096

Industrial 700/ID 102086 Industrial 600/DQ

102088

Compact 400/LQ 102087 Compact 400/DQ

102088

HD 12GB /R 102090 HD 10GB /I

102071

HD 12GB @7200 /SE 102057 HD 18.2GB @10000 /E

102078

HD 18.2GB @10000 /I 102050 HD 18GB /SE

102083

HD 6GB /I 102072 HD [email protected]

102093

You have the requirement to display PRODUCT_NAME from the table where the CATEGORY_ID column has values 12 or 13, and the SUPPLIER_ID column has the value 102088. You executed the following SQL statement:

SELECT product_name

FROM product_information

WHERE (category_id = 12 AND category_id = 13) AND supplier_id = 102088;

Which statement is true regarding the execution of the query?

A. It would not execute because the same column has been used in both sides of the AND logical operator to form the condition.

B. It would not execute because the entire WHERE clause condition is not enclosed within the parentheses.

C. It would execute and the output would display the desired result.

D. It would execute but the output would return no rows.

Correct Answer: D


Question 10:

You execute the following commands:

SQL > DEFINE hiredate = \’01-APR-2011\’

SQL >SELECT employee_id, first_name, salary

FROM employees

WHERE hire_date > \’andhiredate\’

AND manager_id >andmgr_id;

For which substitution variables are you prompted for the input?

A. none, because no input required

B. both the substitution variables \’\’hiredate\’ and \’mgr_id\’.

C. only hiredate\’

D. only \’mgr_id\’

Correct Answer: D


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