Free Access Oracle.1z1-071.v2022-04-30.q200 Practice Test (Page 33)

Question 156

View the Exhibit and examine the structure of CUSTOMERStable.
Using the CUSTOMERStable, you need to generate a report that shows an increase in the credit limit by
15% for all customers. Customers whose credit limit has not been entered should have the message "Not Available" displayed.
Which SQL statement would produce the required result?

A.SELECT NVL(cust_credit_limit * .15), 'Not Available') "NEW CREDIT"
FROM customers;

B.SELECT TO_CHAR (NVL(cust_credit_limit * .15), 'Not Available') "NEW CREDIT" FROM customers;

C.SELECT NVL (TO CHAR(cust_credit_limit * .15), 'Not Available') "NEW CREDIT" FROM customers;

D.SELECT NVL(cust_credit_limit), 'Not Available') "NEW CREDIT"
FROM customers;

Question 157

A non-correlated subquery can be defined as __________. (Choose the best answer.)

A.A set of one or more sequential queries in which generally the result of the inner query is used as the search value in the outer query.

B.A set of sequential queries, all of which must always return a single value.

C.A SELECT statement that can be embedded in a clause of another SELECT statement only.

D.A set of sequential queries, all of which must return values from the same table.

Question 158

Which two are true about virtual columns?

A.They can be referenced In the where clause of an update or debete statement.

B.They can be indexed.

C.They can be referenced in the set clause of an update statement as the name of the column To be updated.

D.They can be referenced in the column expression of another virtxial column.

E.They cannot have a data type explicitly specified.

Question 159

Examine the structure of the members table:

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

A.Option B

B.Option D

C.Option A

D.Option C

Question 160

View the Exhibit and examine the description of the tables.

You execute this SQL statement:

Which three statements are true?

A.The statement will execute successfully and a new row will be inserted into the SALES table.

B.The statement will fail if a row already exists in the SALES table for product 23.

C.The statement will fail because a subquery may not be contained in a VALUES clause.

D.A product can have a different unit price at different times.

E.A customer can exist in many countries.

F.The SALES table has five foreign keys.

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Question 156

Question 157

Question 158

Question 159

Question 160

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