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

© 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

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

© 2007 by Prentice Hall Example of a SQL command entered with SQL*Plus for Windows

© 2007 by Prentice Hall SQL command error message and associated error code

© 2007 by Prentice Hall Displaying additional information about an Oracle error code

© 2007 by Prentice Hall Using SQL*Plus in a DOS window

© 2007 by Prentice Hall Using SQL*Plus in Windows cursor indicating the insertion point

© 2007 by Prentice Hall Selecting text to edit selected text to be edited

© 2007 by Prentice Hall Logging into Oracle using iSQL*Plus the password is obscured

© 2007 by Prentice Hall SQL command and retrieved rows in a browser Logout hyperlink

© 2007 by Prentice Hall Error messages generated from DROP TABLE commands

© 2007 by Prentice Hall Rows returned by a SELECT statement rows retrieved from the Agents table SELECT statement entered to retrieve rows

© 2007 by Prentice Hall Inserting a row and verifying its values

© 2007 by Prentice Hall Updating a row in the Agents table values to update listed columns in Melinda Whitmore’s record

© 2007 by Prentice Hall Deleting a row and verifying its removal confirms selected row was deleted

© 2007 by Prentice Hall Example transaction structure COMMIT; INSERT INTO … DELETE FROM … UPDATE … COMMIT; a transaction

© 2007 by Prentice Hall Displaying a list of system privileges

© 2007 by Prentice Hall Listing SQL*Plus commands and help on the CONNECT command lists SQL*Plus commands displays help on a particular SQL*Plus command

© 2007 by Prentice Hall Displaying tables’ column definitions

© 2007 by Prentice Hall Altering column headings

© 2007 by Prentice Hall Altering the PAGESIZE environment variable

© 2007 by Prentice Hall Customizing the PAGESIZE environment variable Permanently setting the PAGESIZE variable

© 2007 by Prentice Hall Launching a script file in SQL*Plus START command (yours will not display)

© 2007 by Prentice Hall Using a substitution variable in a script file

© 2007 by Prentice Hall Script file Change the path (C:\Docs\) in these three places

© 2007 by Prentice Hall Output from the script file

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