1. © 2007 by Prentice Hall2-1 Introduction to Oracle 10g Chapter 2 Overview of SQL and SQL*Plus James Perry and Gerald Post

2. © 2007 by Prentice Hall2-2 Chapter Outline Interfacing with Oracle Using the DOS Command Line SQL*Plus Using SQL*Plus for Windows Using iSQL*Plus Understanding SQL Statements Using SQL*Plus Command Extensions

3. © 2007 by Prentice Hall2-3 Table 2.1 Data to be entered into the ContactReason table

4. © 2007 by Prentice Hall2-4 2.1 Example of a SQL command entered with SQL*Plus for Windows

5. © 2007 by Prentice Hall2-5 2.2 SQL command error message and associated error code

6. © 2007 by Prentice Hall2-6 2.3 Displaying additional information about an Oracle error code

7. © 2007 by Prentice Hall2-7 2.4 Using SQL*Plus in a DOS window

8. © 2007 by Prentice Hall2-8 2.5 Using SQL*Plus in Windows cursor indicating the insertion point

9. © 2007 by Prentice Hall2-9 2.6 Selecting text to edit selected text to be edited

10. © 2007 by Prentice Hall2-10 2.7 Logging into Oracle using iSQL*Plus the password is obscured

11. © 2007 by Prentice Hall2-11 2.8 SQL command and retrieved rows in a browser Logout hyperlink

12. © 2007 by Prentice Hall2-12 2.9 Error messages generated from DROP TABLE commands

13. © 2007 by Prentice Hall2-13 2.10 Rows returned by a SELECT statement rows retrieved from the Agents table SELECT statement entered to retrieve rows

14. © 2007 by Prentice Hall2-14 2.11 Inserting a row and verifying its values

15. © 2007 by Prentice Hall2-15 2.12 Updating a row in the Agents table values to update listed columns in Melinda Whitmore’s record

16. © 2007 by Prentice Hall2-16 2.13 Deleting a row and verifying its removal confirms selected row was deleted

17. © 2007 by Prentice Hall2-17 2.14 Example transaction structure COMMIT; INSERT INTO … DELETE FROM … UPDATE … COMMIT; a transaction

18. © 2007 by Prentice Hall2-18 2.15 Displaying a list of system privileges

19. © 2007 by Prentice Hall2-19 2.16 Listing SQL*Plus commands and help on the CONNECT command lists SQL*Plus commands displays help on a particular SQL*Plus command

20. © 2007 by Prentice Hall2-20 2.17 Displaying tables’ column definitions

21. © 2007 by Prentice Hall2-21 2.18 Altering column headings

22. © 2007 by Prentice Hall2-22 2.19 Altering the PAGESIZE environment variable

23. © 2007 by Prentice Hall2-23 2.20 Customizing the PAGESIZE environment variable Permanently setting the PAGESIZE variable

24. © 2007 by Prentice Hall2-24 2.21 Launching a script file in SQL*Plus START command (yours will not display)

25. © 2007 by Prentice Hall2-25 2.22 Using a substitution variable in a script file

26. © 2007 by Prentice Hall2-26 2.23 Script file Change the path (C:\Docs\) in these three places

27. © 2007 by Prentice Hall2-27 2.24 Output from the script file

28. © 2007 by Prentice Hall2-28 2.25 Changing an iSQL*Plus environment variable Single page option button Interface Configuration hyperlink Number of rows on each page set to 60