Relational database are tabular.What are these store in? Reqular folders files?... Are database like a wrapper object that hold other objects --dicrecrories, i.e. folders--, and those object hold other objects or primitive data --files, i.e. documents containing texts, and numerical data--. And this wrapper object contain methods i.g. SQL for accessing these object and their data --i.e. folders, and files--.Is that what a database is? Yes or no, then a description please.