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Oracle 1Z0-007 Exam Syllabus Topics:

Oracle Introduction to Oracle9i: SQL Sample Questions:

1. Which three SELECT statements displays 2000 in the format "$2,000.00"? (Choose three)

A) SELECT TO CHAR (2000, '$9,999.00') FROM dual;
B) SELECT TO CHAR (2000, '$9,999.99') FROM dual;
C) SELECT TO CHAR (2000, '$0,000.00') FROM dual;
D) SELECT TO CHAR (2000,'$#,###.##') FROM dual;
E) SELECT TO CHAR (2000, '$2,000.00') FROM dual;
F) SELECT TO CHAR (2000, '$N,NNN.NN') FROM dual;

2. What is true about sequences?

A) Once created, a sequence belongs to a specific schema.
B) Once created, a sequence is automatically used in all INSERT and UPDATE statements.
C) Once created, a sequence is automatically available to all users.
D) Once created, a sequence is linked to a specific table.
E) Only the DBA can control which sequence is used by a certain table.

3. Examine the structure of the EMPLOYEES table:

You need to update the records of employees 103 and 115. The UPDATE statement you specify should update the rows with the values specified below:

Which UPDATE statement meets the requirements?

A) UPDATE employees SET job_id = DEFAULT, Sal = (SELECT MAX(sal)
FROM employees
WHERE job_id = 'SA_REP'),
comm_pct = DEFAULT,
department_id = &did
WHERE employee_id IN (103,115);
B) UPDATE employees SET job_id = DEFAULT AND Sal = (SELECT MAX(sal) FROM employees WHERE job_id = 'SA_REP') AND comm_pct = DEFAULT AND department_id = &did WHERE employee_id IN (103,115);
C) UPDATE employees
SET job_id = DEFAULT,
Sal = (SELECT MAX(sal)
FROM employees
WHERE job_id = 'SA_REP')
comm_pct = DEFAULT OR NULL,
department_id = &did
WHERE employee_id IN (103,115);
D) UPDATE employees SET job_id = DEFAULT AND Sal = MAX(sal) AND comm_pct = DEFAULT OR NULL AND department_id = &did WHERE employee_id IN (103,115) AND job_id = 'SA_REP';
E) UPDATE employees
SET job_id = DEFAULT,
Sal = MAX(sal),
comm_pct = DEFAULT,
department_id = &did
WHERE employee_id IN (103,115)
AND job_id = 'SA_REP';

4. The DBA issues this SQL command:
CREATE USER scott IDENTIFIED by tiger;
What privileges does the user Scott have at this point?

A) only the CONNECT privilege
B) no privileges
C) only the SELECT privilege
D) all the privileges of a default user

5. The EMPLOYEES table contains these columns:

You need to write a query that will produce these results:
1.Display the salary multiplied by the commission_pct.
2.Exclude employees with a zero commission_pct.
3.Display a zero for employees with a null commission value.
Evaluate the SQL statement:
SELECT LAST_NAME, SALARY*COMMISSION_PCT
FROM EMPLOYEES
WHERE COMMISSION_PCT IS NOT NULL;
What does the statement provide?

A) Two of the desired results
B) An error statement
C) One of the desired results
D) All of the desired results

Solutions: