What is a Database?

A database is a collection of data, organized in tables. They provide easy access and management of the information that is stored in them.
There are several types of databases:

  • Relational database – this is the most basic kind of database there is. All the data is stored in tables also called relations. The rows are called tuple and the columns are called attributes. 
  • Object database – in it the information is presented in the form of objects.
  • Object-relational database – they combine the properties of both the relational model and the object model. 

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