How can i insert barcode in database?

Answer 1

Okay thank you.

Answer 2

Barcode are numbers that can be change in image. Then, you get a number and use a function to convert in bar code.

See a example in JavaScript: http://lindell.me/JsBarcode/

Answer 3

Do you read it? how? do you have barcode in a variable? you only must to insert it into database. If you dont read barcode, first you must to hace device to read and get it in some kind of data struct