Auto increment in phpmyadmin

Question

I have an existing database using PHP, MySQL and phpMyAdmin.

When users become a member on my website, I need the system to create a unique membership number for the

Answer 1

1. In "Structure" tab of your table
2. Click on the pencil of the variable you want auto_increment
3. under "Extra" tab choose "auto_increment"
4. then go to "Operations" tab of your table
5. Under "Table options" -> auto_increment type -> 10000