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Question 1:

Examine the structure of the MEMBERS table. NameNull?Type







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 2:

View the Exhibit and examine the structure of the EMPLOYEES and JOB_HISTORY tables. (Choose all that apply.)

Examine this query which must select the employee IDs of all the employees who have held the job SA_MAN at any time during their employment.







Choose two correct SET operators which would cause the query to return the desired result.





Correct Answer: AD

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 statements are true reading subquenes?

A. A Main query can have many subqueries.

B. A subquery can have more than one main query.

C. The subquery and main query must retrieve date from the same table.

D. The subquery and main query can retrieve data from different tables.

E. Only one column or expression can be compared between the subquery and main query.

F. Multiple columns or expressions can be compared between the subquery and main query.

Correct Answer: ADF

Question 5:

View the Exhibit and examine the details of the PRODUCT_INFORMATION table.

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


SELECT product_name, list_price

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 execute but the output would return no rows.

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

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

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

Correct Answer: A

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Question 6:

Which two tasks can be performed by using Oracle SQL statements?

A. changing the password for an existing database user

B. connecting to a database instance

C. querying data from tables across databases

D. starting up a database instance

E. executing operating system (OS) commands in a session

Correct Answer: AC

http://www.techonthenet.com/oracle/password.php https://docs.oracle.com/cd/B28359_01/server.111/b28324/tdpii_distdbs.htm

Question 7:

You issue this command which succeeds:

SQL> DROP TABLE products;

Which three statements are true?

A. All existing views and synonyms that refer to the table are invalidated but retained.

B. Any uncommitted transaction in the session is committed.

C. Table data and the table structure are deleted.

D. All the table\’s indexes if any exist, are invalidated but retained.

E. Table data is deleted but the table structure is retained.

Correct Answer: BCD

Question 8:

View the Exhibit and examine the structure of the EMP table which is not partitioned and not an index-organized table. (Choose two.)

Evaluate this SQL statement:


DROP COLUMN first_name;

Which two statements are true?

A. The FIRST_NAME column can be dropped even if it is part of a composite PRIMARY KEY provided the CASCADE option is added to the SQL statement.

B. The FIRST_NAME column would be dropped provided at least one column remains in the table.

C. The FIRST_NAME column would be dropped provided it does not contain any data.

D. The drop of the FIRST_NAME column can be rolled back provided the SET UNUSED option is added to the SQL statement.

Correct Answer: B

Question 9:

View the exhibit and examine the structure of the CUSTOMERS table.

Which two tasks would require subqueries or joins to be executed in a single statement?

A. finding the number of customers, in each city, whose credit limit is more than the average credit limit of all the customers

B. finding the average credit limit of male customers residing in \’Tokyo\’ or \’Sydney\’

C. listing of customers who do not have a credit limit and were born before 1980

D. finding the number of customers, in each city, who\’s marital status is \’married\’.

E. listing of those customers, whose credit limit is the same as the credit limit of customers residing in the city \’Tokyo\’.

Correct Answer: AE

Question 10:

View the exhibit and examine the description of the PRODUCT_INFORMATION table.

Which SQL statement would retrieve from the table the number of products having LIST_PRICE as NULL?

A. SELECT COUNT (DISTINCT list_price)FROM product_informationWHERE list_price is NULL

B. SELECT COUNT (NVL(list_price, 0))FROM product_informationWHERE list_price is NULL

C. SELECT COUNT (list_price)FROM product_informationWHERE list_price i= NULL

D. SELECT COUNT (list_price)FROM product_informationWHERE list_price is NULL

Correct Answer: B

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