Oracle 1Z0-007 : Introduction to Oracle9i: SQL

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Oracle Introduction to Oracle9i: SQL Sample Questions:

1. Examine the description of the EMPLOYEES table:

Which statement shows the department ID, minimum salary, and maximum salary paid in that department, only of the minimum salary is less then 5000 and the maximum salary is more than 15000?

A) SELECT dept_id, MIN(salary), MAX(salary)
FROM employees
GROUP BY dept_id, salary
HAVING MIN(salary) < 5000 AND MAX(salary) > 15000;
B) SELECT dept_id, MIN(salary(, MAX(salary)
FROM employees
WHERE MIN(salary) < 5000 AND MAX(salary) > 15000;
C) SELECT dept_id, MIN(salary), MAX(salary)
FROM employees
GROUP BY dept_id
HAVING MIN(salary) < 5000 AND MAX(salary) > 15000;
D) SELECT dept_id, MIN(salary), MAX(salary)
FROM employees
HAVING MIN(salary) < 5000 AND MAX(salary) > 15000;
E) SELECT dept_id, MIN(salary), MAX(salary)
FROM employees
WHERE MIN(salary) < 5000 AND MAX(salary) > 15000
GROUP BY dept_id;

2. In which four clauses can a subquery be used? (Choose four.)

A) in the WHERE clause of a SELECT statement
B) in the GROUP BY clause of a SELECT statement
C) in the VALUES clause of an INSERT statement
D) in the INTO clause of an INSERT statement
E) in the SET clause of an UPDATE statement
F) in the FROM clause of a SELECT statement

3. Which three are DATETIME data types that can be used when specifying column definitions? (Choose three.)

A) INTERVAL YEAR TO MONTH
B) INTERVAL DAY TO SECOND
C) TIMESTAMP
D) INTERVAL MONTH TO DAY
E) TIMESTAMP WITH DATABASE TIMEZONE

4. What does the FORCE option for creating a view do?

A) creates a view even if the underlying parent table has constraints
B) creates a view with constraints
C) creates a view regardless of whether or not the base tables exist
D) creates a view in another schema even if you don't have privileges

5. Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables:

Which UPDATE statement is valid?

A) UPDATE new_employees SET name = (Select last_name||
first_name
FROM employees
Where employee_id
=180)
WHERE employee_id =180;
B) UPDATE new_employees SET name = (SELECT last name||
first_name
FROM employees
WHERE employee_id=
(SELECT employee_id
FROM new_employees))
WHERE employee_id
=180;
C) UPDATE new_employees SET name = (SELECT
last_name||first_name
FROM employees)
WHERE employee_id =180;
D) UPDATE new_employees SET name = (SELECT last_name||
first_name
FROM employees
WHERE employee_id
=180)
WHERE employee_id =(SELECT employee_id
FROM new employees);

Solutions: