How to use JSP + MySQL to create a message book (1) _ MySQL

Note: to create a message book using JSP + MySQL databases, first create a MySQL database. for MySQL usage, go to pinghui.51.netdownload012mysql. chm to download the tutorial. Now, for the purpose of illustration, we assume that the database has been created and the database name is pinghui, where the comment table records the message. Database Structure Description: with JSP + MySQL database to create a message book, first of all to create a MySQL database, the use of MySQL please go to the http://pinghui.51.net/download/012mysql.chm download tutorial. Now, for the purpose of illustration, we assume that the database has been created and the database name is pinghui, where the comment table records the message.

The database structure is:
+ ----------- + ------------- + ------ + ----- + --------------------- + ---------------- +
| Field | Type | Null | Key | Default | Extra |
+ ----------- + ------------- + ------ + ----- + --------------------- + ---------------- +

| Userid | int (11) | PRI | 0 | auto_increment |
| Username | char (20) |
| Sex | char (2) |
| Address | char (40) | YES | NULL |
| Ip | char (15) |
| Post | int (11) | YES | 0 |
| Oicq | int (11) | YES | 0 |
| Icq | int (11) | YES | 0 |