Valid 1Z0-061 Dumps with VCE and PDF for Free (Question 21 – Question 24)

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QUESTION 21
Examine the structure of the products table:

You want to display the names of the products that have the highest total value for UNIT_PRICE * QTY_IN_HAND. Which SQL statement gives the required output?

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: A

QUESTION 22
Which statement is true regarding the UNION operator?

A.    By default, the output is not sorted.
B.    Null values are not ignored during duplicate checking.
C.    Names of all columns must be identical across all select statements.
D.    The number of columns selected in all select statements need not be the same.

Answer: D
Explanation:
The SQL UNION query allows you to combine the result sets of two or more SQL SELECT statements. It removes duplicate rows between the various SELECT statements. Each SQL SELECT statement within the UNION query must have the same number of fields in the result sets with similar data types.

QUESTION 23
View the Exhibit and examine the data in the PROMO_NAME and PROMO_END_DATE columns of the promotions table, and the required output format.

Which two queries give the correct result?

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: CD

QUESTION 24
View the Exhibit and examine the structures of the employees and departments tables.

You want to update the employees table as follows:
– 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 (location_id 2100).
– Set the employees’ salary in iocation_id 2100 to 1.1 times the average salary of their department.
– Set the employees’ commission in iocation_id 2100 to 1.5 times the average commission of their department.
You issue the following command:

What is the outcome?

A.    It executes successfully and gives the correct result.
B.    It executes successfully but does not give the correct result.
C.    It generates an error because a subquery cannot have a join condition in an update statement.
D.    It generates an error because multiple columns (SALARY, COMMISSION) cannot be specified together in an update statement.

Answer: B

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