Storage of data forms such an inherent part of database management that all kinds of scripts and softwares were designed to facilitate data storage. Usually, data is stored in grids within tables.
Data grids are created using JustAjax Table. This is basically an AJAX/PHP block where data is stored. It lets you do some editing while the data is in the cells. You could even sort the data according to some specific criteria, it could be used over all kinds of browsers, and there is inherent support from PHP/mySQL servers.
The script is available for a free download from several websites over the internet. It does bring some added functionality to the web page. For this reason, it is available as a free ware from different websites.