Database Programming - Section 18. Instructor Guide

Transcription

1 Database Programming - Section 18 Instructor Guide

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3 Table of Contents...1 Lesson 1 - Certification Exam Preparation...1 What Will I Learn?...2 Why Learn It?...3 Tell Me / Show Me...4 Try It / Solve It...5 Lesson 2 - Certification Exam Preparation...6 What Will I Learn?...7 Why Learn It?...8 Tell Me / Show Me...9 Try It / Solve It...15 Lesson 3 - Certification Exam Preparation...19 What Will I Learn?...21 Why Learn It?...22 Tell Me / Show Me...23 Try It / Solve It...24 Page i

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5 Lesson 1 - Certification Exam Preparation Lesson 1 - Certification Exam Preparation Lesson Preparation None. What to Watch For None. Connections None. Page 1

6 What Will I Learn? What Will I Learn? Page 2

7 Why Learn It? Why Learn It? Page 3

8 Tell Me / Show Me Tell Me / Show Me Page 4

9 Try It / Solve It Try It / Solve It Page 5

10 Lesson 2 - Certification Exam Preparation Lesson 2 - Certification Exam Preparation Lesson Preparation None. What to What For The isql*plus commands are new information. Assist students with this content. Use the Self- Test Software topics: Producing Readable Output with isql*plus as well as using the isql*plus PowerPoint slides referenced in Tell Me / Show Me. Connections None. Page 6

11 What Will I Learn? What Will I Learn? Page 7

12 Why Learn It? Why Learn It? Page 8

13 Tell Me / Show Me Tell Me / Show Me Page 9

14 Tell Me / Show Me Tell Me / Show Me Page 10

15 Tell Me / Show Me Tell Me / Show Me Page 11

16 Tell Me / Show Me Tell Me / Show Me Page 12

17 Tell Me / Show Me Tell Me / Show Me Page 13

18 Tell Me / Show Me Tell Me / Show Me Page 14

19 Try It / Solve It Try It / Solve It Try It / Solve It Answers: 1. Substitution variables are used to prompt the user for values to be used in a SQL statement. 2. In isql*plus, you can use single ampersand (&) substitution variables to temporarily store values. You can use the double-ampersand (&&) substitution variable if you want to reuse the variable value without prompting the user each time. 3. In isql*plus, you can use single ampersand (&) substitution variables to temporarily store values. You can use the double-ampersand (&&) substitution variable if you want to reuse the variable value without prompting the user each time.you can predefine user variables before executing a SELECT statement. isql*plus provides the DEFINE command for defining and setting substitution variables. Page 15

20 Try It / Solve It Try It / Solve It Try It / Solve It Answers: 4. If the variable is created using the isql*plus DEFINE command, the user is not prompted to enter a value for the variable. Instead, the defined variable value is automatically substituted in the SELECT statement. When isql*plus detects that the SQL statement contains an &, the user is prompted to enter a value for the substitution variable named in the SQL statement. Once the value has been entered and the Submit for Execution button has been clicked, the results are displayed in the output area of the isql*plus session. You can use the double-ampersand (&&) substitution variable if you want to reuse the variable value without prompting the user each time. The user will see the prompt for the value only once. 5. Answers will vary: SELECT employee_id, last_name, job_id, &&column_name FROM employees ORDER BY &column_name; 6. See Student Content Tell Me / Show Me for list. Page 16

21 Try It / Solve It Try It / Solve It Try It / Solve It Answers: 7. Answers will vary. COLUMN salary FORMAT $99, COLUMN manager FORMAT NULL 'No Manager COLUMN sal HEADING 'Salary' 8. Use the BREAK command to divide rows into sections and suppress duplicate values. To ensure that the BREAK command works effectively, use the ORDER BY clause to order the columns that you are breaking on. Syntax BREAK on column[ alias row] 9. You can control the environment in which isql*plus is currently operating by using the SET and SHOW commands. See the list of commands in the Student Content Tell Me / Show Me section. 10. Answers will vary. See Graphic in Tell Me / Show Me section. Page 17

22 11. HTML DB can format the output column headings, currency and date displays and use concatenate. The output is in the HTML DB format. Using isql*plus formatting it is possible to format the display other than the HTML DB default returned format. Page 18

23 Lesson 3 - Certification Exam Preparation Lesson 3 - Certification Exam Preparation Lesson Preparation FREE Student Promotion Codes -- All instructors teaching Year 1 of the Oracle Academy receive 15 free student promotion codes. If you have not received your promotion code, please contact the Academy at academy_us@oracle.com and include "FREE Student Promotion Codes" in the subject line. Please include your school name. Only students who have passed the Academy Database Programming Final Exam are eligible to sit for the certification exam. 1. Go to and click "First-time Registration" at the bottom of the screen. 2. Leave the Prometric Testing ID field blank. 3. Select "Oracle" for the "Test Provider or Program." Click Continue. 4. Fill out the registration form. All required fields have arrows and must be completed. IMPORTANT: For the Company field, enter the school name. When you are finished, click Submit. (WRITE DOWN YOUR PROMETRIC TESTING ID FOR FUTURE REFERENCE!) 5. Click CONTINUE. 6. Click Take Test. 7. In the "Public Tests" box, select "Oracle" (this should already be defaulted in the field). Page 19

24 8. In the "Private Tests" box, enter "Academy" (not case-sensitive) and click Submit in the "Private Tests" box. 9. A new window appears. Click "Take This Test!" 10. You will then be prompted for the promotion code. Refer to the you received for this code. 11. Take the exam! What to Watch For None. Connections None. Page 20

25 What Will I Learn? What Will I Learn? Page 21

26 Why Learn It? Why Learn It? Page 22

27 Tell Me / Show Me Tell Me / Show Me Page 23

28 Try It / Solve It Try It / Solve It Try It / Solve It Proctoring the Exam: The new online delivery for the Introduction to Oracle9i: SQL Exam #1Z0-007 allows for each Academy site to deliver the exam within the classroom environment. As this provides tremendous flexibility for accessing the exam, it also implies more responsibility on behalf of the instructor. You will be "proctoring" an "unproctored" exam. This means that students will follow the same process for registering, however, only the instructor will have access to the promotion code. Please follow the guidelines below for proctoring the Oracle Certified Professional exam. In order to proctor an exam, an instructor must have: - Valid Oracle Internet Academy Instructor status - Attempted the Introduction to Oracle9i: SQL Exam #1Z Received from the Academy with valid student promotion code. Page 24

29 Steps for proctoring the OCP: 1. Clear the lab area of all miscellaneous paperwork, books and materials. 2. Assign one computer per student. 3. Be sure to have allotted enough time for completion of the exam. There are 120 minutes allowed for completion. This does not include time for students to register with Prometric. Page 25

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