Learn in the textbookBI, Data Warehouse, and Mining
DefinitionBig data (ビッグデータ) is the general term for data so large in volume, so varied in format, and generated so continuously that conventional databases and methods struggle to handle it.
ExplanationOne common framing takes the initials of the three English words and calls them the 3Vs. Big data is not limited to tidy tables of numbers; it also includes text, images, audio, and equipment logs. The specialists who analyze such data and draw out insights a business can use are called data scientists (データサイエンティスト).
AnalogyLess like water from a tap and more like a great river, with things of every shape and size pouring in without end.
Memory hookPut quantity, type, and speed into English words and each one begins with V.