Online Access Free Oracle.1z0-071.v2025-09-16.q232 Practice Test (Page 16)

1z0-071 Exam Question 71

Examine the data in the ENPLOYEES table:

Which statement will compute the total annual compensation tor each employee?

A.SECECT last_namo, (menthy_salary + monthly_commission_pct) * 12 AS annual_comp FROM employees;

B.SELCECT last_namo, (monthly_salary * 12) + (monthly_commission_pct * 12) AS annual_comp FROM employees

C.SELCECT last_namo, (monthly_salary * 12) + (menthy_salary * 12 * NVL (monthly_commission_pct, 0)) AS annual_comp FROM employees

D.SELCECT last_namo, (monthly_salary * 12) + (menthy_salary * 12 * monthly_commission_pct) AS annual_comp FROM employees

1z0-071 Exam Question 72

View the Exhibit and examine the structure of the PROMOTIONS table.

Evaluate the following SQL statement:

Which statement is true regarding the outcome of the above query?

A.It shows COST_REMARK for all the promos in the table.

B.It produces an error because subqueries cannot be used with the CASE expression.

C.It shows COST_REMARK for all the promos in the promo category 'TV'.

D.It produces an error because the subquery gives an error.

1z0-071 Exam Question 73

Which statement is true regarding the USINGclause in table joins? (Choose two.)

A.It can be used to join a maximum of three tables.

B.It can be used to access data from tables through equijoins as well as nonequijoins.

C.It can be used to join tables that have columns with the same name and compatible data types.

D.It can be used to restrict the number of columns used in a NATURALjoin.

1z0-071 Exam Question 74

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

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

B.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.

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

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

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

1z0-071 Exam Question 75

Evaluate the following two queries:
SQL> SELECT cust_last_name, cust_city
FROM customers
WHERE cust_credit_limit IN (1000, 2000, 3000);
SQL> SELECT cust_last_name, cust_city
FROM customers
WHERE cust_credit_limit = 1000 or cust_credit_limit = 2000 or
cust_credit_limit = 3000
Which statement is true regarding the above two queries?

A.Performance would degrade in query 2.

B.There would be no change in performance.

C.Performance would improve in query 2.

D.Performance would improve in query 2 only if there are null values in the CUST_CREDIT_LIMIT column.

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