Hi everybody..
Currently i doing a project with php and mySQL, but i am facing some difficulties.
Firstly, users will upload the excel spreadsheet with information.
Then, i would like to extract all information then insert into the existing database.
In addition, all the information uploaded by the users will overwrite the existing data in the table.
From what i know, it is possible to do so. however i have no idea how to start.
hence, need all your help.. Thanks..