jquery - Insert row if not exists otherwise update sqlite - JavaScript -
i know there have been lot of questions on in past, seem unable utilise answers. have tried, don't seem work. i have table stores 2 user inputted values: name , email. when enter name , e-mail, gets stored single row of table. i want able update same row different name , email if user types other values, or insert these values if there weren't previous values. my code here: db.transaction(function(transaction) { transaction.executesql('insert details(name,email)\ values(?,?)',[$('#entername').val(), $('#enteremail').val()], nullhandler,errorhandler); }); and table creation here if needed: db.transaction(function(tx){ tx.executesql( 'create table if not exists details(id integer not\ null primary key,name,email)', [],nullhandler,errorhandler); },errorhandler,successcallback); i have tried using insert or replace, creates new row new details , leaves previo...