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Oracle 1Z0-007 Exam Syllabus Topics:

Oracle Introduction to Oracle9i: SQL Sample Questions:

1. When should you create a role? (Choose two)

A) To simplify the process of creating new users using the CREATE USER xxx IDENTIFIED by yyy statement.
B) To simplify the process of granting and revoking privileges.
C) When the number of people using the database is very high.
D) To grant a group of related privileges to a user.
E) To simplify profile maintenance for a user who is constantly traveling.

2. Which object privileges can be granted on a view?

A) DELETE, INSERT,SELECT
B) none
C) ALTER, DELETE, INSERT, SELECT
D) DELETE, INSERT, SELECT, UPDATE

3. Examine the description of the CUSTOMERS table:

The CUSTOMER_ID column is the primary key for the table.
Which statement returns the city address and the number of customers in the cities Los Angeles or San Francisco?

A) SELECT city_address, COUNT(customer_id)
FROM customers
WHERE city_address IN ( 'Los Angeles', 'San Fransisco')
GROUP BY city_address, customer_id;
B) SELECT city_address, COUNT(*)
FROM customers
WHERE city_address IN ( 'Los Angeles', 'San Fransisco');
C) SELECT city_address, COUNT (*)
FROM customers
WHERE city address IN ( 'Los Angeles', 'San Fransisco')
GROUP BY city_address;
D) SELECT city_address, COUNT (customer_id)
FROM customers
GROUP BY city_address IN ( 'Los Angeles', 'San Fransisco');

4. Evaluate these two SQL statements:
SELECT last_name, salary , hire_date
FROM EMPLOYEES
ORDER BY salary DESC;
SELECT last_name, salary, hire_date
FROM EMPLOYEES
ORDER BY 2 DESC;
What is true about them?

A) There is no need to specify DESC because the results are sorted in descending order by default.
B) The two statements produce identical results.
C) The second statement returns a syntax error.
D) The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.

5. Evaluate this SQL statement:
SELECT e.employee_id, (.15* e.salary) + (.5 * e.commission_pct)
+ (s.sales amount * (.35 * e.bonus)) AS CALC_VALUE FROM employees e, sales s WHERE e.employee_id = s.emp_id;
What will happen if you remove all the parentheses from the calculation?

A) The value displayed in the CALC_VALUE column will be lower.
B) An error will be reported.
C) There will be no difference in the value displayed in the CALC_VALUE column.
D) The value displayed in the CALC_VALUE column will be higher.

Solutions: