Want to used as a shopping system, has been linked data in database, and have two tables (table) user information, commodity information (table), how to realize when the user to enter a commodity name, with the value in the balance of the user information table columns to slow down the value of the commodity information the amount column of the table, the balance of the last user information list for the balance of the cut, strives for the bosses!!!!!

CodePudding user response:

What are you put the two table column, set up a simulated data, described is too fuzzy