I'm writing a web application that's going to store over 40MB of offline data in a Web SQL database. It needs to work in several browsers including: Safari, Android (mobile) and Chrome. I know how much storage the Safari desktop currently holds (500 MB) but I can't find anything when it comes to...
Which is a more efficient way of storing session (temporary) data? Storing and retrieving data from an SQL database or using a temporary session via the $_SESSION variable in PHP?