Oracle 1Z0-007 : Introduction to Oracle9i: SQL

  • Exam Code: 1Z0-007
  • Exam Name: Introduction to Oracle9i: SQL
  • Updated: Sep 14, 2026   Q&As: 110 Questions and Answers

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Oracle 1Z0-007 Exam Syllabus Topics:
SectionObjectives
Subqueries- Define subqueries
- Single–row and multiple–row subqueries
Displaying Data from Multiple Tables- Equality and nonequality joins
- Self–join
- Outer joins
Creating Views- DML through views
- Create, alter, drop views
Restricting and Sorting Data- Limit rows retrieved by a query
- Sort rows retrieved by a query
Manipulating Data- UPDATE rows
- MERGE rows
- DELETE rows
- INSERT rows
Producing Readable Output with iSQL*Plus- Script files
- Substitution variables
Writing Basic SQL SELECT Statements- Execute a basic SELECT statement
- Capabilities of SQL SELECT statements
- Differentiate between SQL and iSQL*Plus commands
Creating Other Database Objects- Indexes
- Sequences
- Synonyms
Single–Row Functions- Use conversion functions
- Use character, number, and date functions in SELECT statements
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. Increasing the commission of employee 3 by the average commission earned in department 20.
  • B. 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.
  • C. Decreasing the commission by 150 for the employees who are working in department 30 and earning a commission of more then 800.
  • D. Creating a table called COMMISSION that has the same structure and data as the columns EMP_ID and COMMISSIONS of the EMP table.
  • E. Finding the number of employees who do NOT earn commission and are working for department 20.
  • F. Deleting the records of employees who do not earn commission.
Reveal Solution  Discussion  0

Correct Answer: A,B,D  🗳️

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Question #2

Which is a valid CREATE TABLE statement?

  • A. CREATE TABLE PACKAGE AS (packid number(2));
  • B. CREATE TABLE EMP9$# AS (empid number(2));
  • C. CREATE TABLE 1EMP_TEST AS (empid number(2));
  • D. CREATE TABLE EMP*123 AS (empid number(2));
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #3

Examine the data of the EMPLOYEES table.
EMPLOYEES (EMPLOYEE_ID is the primary key. MGR_ID is the ID of managers and refers to the EMPLOYEE_ID)

Evaluate this SQL statement:
SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary,
m.employee_id "Mgr_id", m.emp_name "Manager"
FROM employees e, employees m
WHERE e.mgr_id = m.employee_id
AND e.salary > 4000;
What is its output?

  • A. Option B
  • B. Option C
  • C. Option D
  • D. Option A
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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Question #4

Examine the data from the EMP table. Evaluate this SQL statement:
SELECT * FROM emp WHERE commission = (SELECT commission FROM emp
WHERE emp_id=3);
What is the result when the query is executed?

  • A. The query returns no rows
  • B. The query fails because both the inner and outer queries are retrieving data from the same table.
  • C. Exhibit B
  • D. The query fails because the outer query is retrieving more than one column
  • E. Exhibit A
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #5

Which is an iSQL*Plus command?

  • A. DESCRIBE
  • B. DELETE
  • C. SELECT
  • D. RENAME
  • E. INSERT
  • F. UPDATE
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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