1. Navigate to the WordPress plugin directory of your development installation.
2. Navigate to the ch8-bug-tracker directory and edit ch8-bug-tracker.php.
3. Locate the ch8bt_create_table function.
4. Remove the IF NOT EXISTS text on the first line of the table creation query.
5. Add an extra line to the table creation code to add a field to hold the bug title, shown as follows in bold:

$creation_query = 'CREATE TABLE ' . $prefix . 
                  'ch8_bug_data ( 
                  `bug_id` int(20) NOT NULL AUTO_INCREMENT, 
                  `bug_description` text, 
                  `bug_version` varchar(10) DEFAULT NULL, 
                  `bug_report_date` date DEFAULT NULL, 
                  `bug_status` int(3) NOT NULL DEFAULT 0, 
                  `bug_title` VARCHAR( 128 ) NULL, 
                  PRIMARY KEY (`bug_id`) 
                  );'; 

6. Locate the following lines of code:

global $wpdb; 
wpdb->query( $creation_query ); 

They should be replaced with the following lines of code:

require_once( ABSPATH . 'wp-admin/includes/upgrade.php' ); 
dbDelta( $creation_query ); 

7. Save and close the plugin file.
8. Navigate to the Plugins management page.
9. Deactivate and re-Activate the Chapter 8 - Bug Tracker plugin.

10. Using phpMyAdmin, connect to your MySQL database to see that the new bug_title field has been added to the bug storage table: