From ordinary databases to Big Data
From ordinary databases to Big Data

Big Data is a catch-all term for data that does not fit comfortably into the usual setup of one server running one neat relational database. A server is a computer that provides data or services to other computers, while a relational database stores structured data in tables of rows and columns.
Step-by-step lessons covering AQA AS Level Computer Science Big Data for AS Level Computer Science. Each lesson works through exam-style questions.