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Oracle 1Z0-007 Exam Syllabus Topics:

Oracle Introduction to Oracle9i: SQL Sample Questions:

Question 1

You want to display the titles of books that meet these criteria:
1.Purchased before January 21, 2001
2.Price is less then $500 or greater than $900
You want to sort the results by their data of purchase, starting with the most recently
bought book.
Which statement should you use?

A. SELECT book_title
FROM books
WHERE (price < 500 OR price > 900)
AND purchase_date < '21-JAN-2001'
ORDER BY purchase date DESC;
B. SELECT book_title
FROM books
WHERE price IN (500,900)
AND purchase_date < '21-JAN-2001'
ORDER BY purchase date ASC;
C. SELECT book_title
FROM books
WHERE price < 500 or > 900
AND purchase_date < '21-JAN-2001'
ORDER BY purchase date DESC;
D. SELECT book_title
FROM books
WHERE price between 500 and 900
AND purchase_date < '21-JAN-2001'
ORDER BY purchase_date;

Question 2

The STUDENT_GRADES table has these columns
STUDENT_ID NUMBER(12)
SEMESTER_END DATE
GPA NUMBER(4,3)
Which statement finds students who have a grade point average (GPA) greater than 3.0 for the calendar year 2001?

A. SELECT student_id, gpa
FROM student_grades
WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001'
AND gpa gt 3.0;
B. SELECT student_id, gpa
FROM student_grades
WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001'
OR gpa > 3.;
C. SELECT student_id, gpa
FROM student_grades
WHERE semester_end > '01-JAN-2001' OR semester_end < '31-DEC-2001' AND gpa >= 3.0;
D. SELECT student_id, gpa
FROM student_grades
WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001'
OR gpa > 3.0;
E. SELECT student_id, gpa
FROM student_grades
WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001'
AND gpa > 3.0;

Question 3

Examine the structure of the EMPLOYEES table:

You issue these statements:
CREATE table new_emp ( employee_id NUMBER, name VARCHAR2(30));
INSERT INTO new_emp SELECT employee_id , last_name from employees;
Savepoint s1;
UPDATE new_emp set name = UPPER(name);
Savepoint s2;
Delete from new_emp;
Rollback to s2;
Delete from new_emp where employee_id =180;
UPDATE new_emp set name = 'James';
Rollback to s2;
UPDATE new_emp set name = 'James' WHERE employee_id =180;
Rollback;
At the end of this transaction, what is true?

A. You have an employee with the name of James.
B. You have no rows in the table.
C. Your last update fails to update any rows because employee ID 180 was already deleted.
D. You cannot roll back to the same savepoint more than once.

Question 4

Evaluate this SQL statement:
SELECT e.emp_name, d.dept_name
FROM employees e
JOIN departments d
USING (department_id)
WHERE d.department_id NOT IN (10,40)
ORDER BY dept_name;
The statement fails when executed. Which change fixes the error?

A. prefix the column in the USING clause with the table alias
B. prefix the column in the ORDER BY clause with the table alias
C. remove the table alias prefix from the WHERE clause
D. remove the table alias from the SELECT clause
E. remove the ORDER BY clause
F. replace the condition
"d.department_id NOT IN (10,40)"
in the WHERE clause with
"d.department_id <> 10 AND d.department_id <> 40"

Question 5

Exhibit

Examine the data in the EMPLOYEES and DEPARTMENTS tables.
You want to retrieve all employees' last names, along with their manager's last names and their department names. Which query would you use?

A. SELECT e.last_name, m.last_name, department_name
FROM employees e
LEFT OUTER JOIN employees m on ( e.managaer_id = m.employee_id)
LEFT OUTER JOIN departments d ON (e.department_id = d.department_id);
B. SELECT last_name, manager_id, department_name
FROM employees e
JOIN departments d ON (e.department_id = d.department_id) ;
C. SELECT last_name, manager_id, department_name
FROM employees e
FULL OUTER JOIN departments d ON (e.department_id = d.department_id);
D. SELECT e.last_name, m.last_name, department_name
FROM employees e
LEFT OUTER JOIN employees m on ( e.manager_id = m.employee_id)
RIGT OUTER JOIN departments d ON (e.department_id = d.department_id);
E. SELECT e.last_name, m.last_name, department_name
FROM employees e
RIGHT OUTER JOIN employees m on ( e.manager_id = m.employee_id)
RIGHT OUTER JOIN departments d ON (e.department_id = d.department_id)
F. SELECT e.last_name, m.last_name, department_name
FROM employees e
RIGT OUTER JOIN employees m on ( e.manager_id = m.employee_id)
LEFT OUTER JOIN departments d ON (e.department_id = d.department_id);

Solutions: