Nowadays, benevolent hackers are often called âwhite hatsâ while the more sinister are called âblack hats.â. In this article, Iâll be talking specifically about famous hackers that don hats of black. Here are five of the most widely known black hatters and what happened to them for their recklessness.
Data vault modeling. Data vault modeling is a database modeling method that is designed to provide long-term historical storage of data coming in from multiple operational systems.
Barrel Vault. A vault is an arched brick or stone ceiling or roof of a building. A barrel vault is a type of vault with continuous arched surface, resembling the inside of a barrel or tunnel.ne more disadvantage of barrel vault is that it forms a series of continuous arches which are most of the time so deep that they cover a three-dimensional space. This makes the interior of the structures extremely dark as they provide very little intrusion for light.