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Oracle 1Z0-007 Exam Syllabus Topics:

Oracle Introduction to Oracle9i: SQL Sample Questions:

Question 1

Examine the data from the EMP table:

The COMMISSION column shows the monthly commission earned by the employee.
Which three tasks would require subqueries or joins in order to perform in a single step? (Choose three)

A. Finding the number of employees who do NOT earn commission and are working for department 20.
B. Decreasing the commission by 150 for the employees who are working in department 30 and earning a commission of more then 800.
C. Increasing the commission of employee 3 by the average commission earned in department 20.
D. Deleting the records of employees who do not earn commission.
E. Inserting into the table a new employee 10 who works for department 20 and earns a commission that is equal to the commission earned by employee 3.
F. Creating a table called COMMISSION that has the same structure and data as the columns EMP_ID and COMMISSIONS of the EMP table.

Question 2

You need to give the MANAGER role the ability to select from, insert into, and modify existing rows in the STUDENT_GRADES table. Anyone given this MANAGER role should be able to pass those privileges on to others.
Which statement accomplishes this?

A. GRANT select, insert, update ON student_grades TO manager;
B. GRANT select, insert, update ON student_grades TO ROLE manager WITH GRANT OPTION;
C. GRANT select, insert, update ON student_grades TO ROLE manager;
D. GRANT select, insert, update ON student_grades TO manager WITH GRANT OPTION;
E. GRANT select, insert, modify ON student_grades TO manager WITH GRANT OPTION;
F. GRANT select, insert, modify ON student_grades TO ROLE manager WITH GRANT OPTION;

Question 3

Examine the structure of the EMPLOYEES and DEPARTMENTS tables:

You want to create a report displaying employee last names, department names, and locations. Which query should you use to create an equi-join?

A. SELECT e.last_name, d.department_name, d.location_id
FROM employees e, departments D
WHERE manager_id =manager_id;
B. SELECT last_name, department_name, location_id
FROM employees , departments ;
C. SELECT employees.last_name, departments.department_name,
departments.location_id
FROM employees e, departments D
WHERE e.department_id =d.department_id;
D. SELECT e.last_name, d.department_name, d.location_id
FROM employees e, departments D
WHERE e.department_id =d.department_id;

Question 4

Which two statements accurately describe a role? (Choose two.)

A. A user can have access to several roles, and several users can be assigned the same role.
B. A role is a named group of related privileges that can be granted to the user.
C. A role can be given to a maximum of 1000 users.
D. A role can have a maximum of 100 privileges contained in it.
E. A user can have access to a maximum of 10 roles.
F. Privileges are given to a role by using the CREATE ROLE statement.

Question 5

Examine the structure of the STUDENTS table:

You need to create a report of the 10 students who achieved the highest ranking in the course INT SQL and who completed the course in the year 1999.
Which SQL statement accomplishes this task?

A. SELECT student_id, marks, ROWNUM "Rank"
FROM (SELECT student_id, marks
FROM students
WHERE ROWNUM <= 10
AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-
99'
AND course_id = 'INT_SQL'
ORDER BY marks DESC);
B. SELECT student_ id, marks, ROWNUM "Rank"
FROM students
WHERE ROWNUM <= 10
AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99
AND course_id = 'INT_SQL'
ORDER BY marks DESC;
C. SELECT student id, marks, ROWNUM "Rank"
FROM (SELECT student_id, marks
FROM students
ORDER BY marks)
WHERE ROWNUM <= 10
AND finish date BETWEEN '01-JAN-99' AND '31-DEC-99'
AND course_id = 'INT_SQL';
D. SELECT student_id, marks, ROWID "Rank"
FROM students
WHERE ROWID <= 10
AND finish_date BETWEEN '01-JAN-99' AND '31-DEC-99'
AND course_id = 'INT_SQL'
ORDER BY marks;
E. SELECT student_id, marks, ROWNUM "Rank"
FROM (SELECT student_id, marks
FROM students
WHERE (finish_date BETWEEN '01-JAN-99 AND '31-DEC-99'
AND course_id = 'INT_SQL'
ORDER BY marks DESC)
WHERE ROWNUM <= 10;

Solutions: