Table is an abstraction for an HTML table, i.e., <table><tr><td></td></tr></table>.
DataTable refers to a matrix of information, like an excel spreadsheet with columns, rows, and data.
Table is used strictly for HTML markup on the page, and DataTable is just a data storage medium which caontains, paging, sorting, and search functionality inbuilt.
They are not really related.
You can convert table into DataTable using jquery plugin.