How to make auto number increment?

I have a GUI like this :

I want to make automatic number every time I select a photo from the browse button, where each number that will continue to sequence. For example for the first data I stored to MySQL database, has ID 1, for the second data I stored to then have a MySQL database ID 2, and so on, each number will be increased so that no duplicate numbers. Can anyone help me for this case?

Answer 1

[Joel Marchand]

I believe that this feature is built into MySQL. MySQL increments an index with each next entry, and this can be queried as any other data column. See the following link for an example of how to achieve this. http://dev.mysql.com/doc/refman/5.7/en/example-auto-increment.html

[Alvindra Pratama]

thank you