Since this roundup of rainbow beaches began with white (technically, the blending of all colors), it seems appropriate to end with black, which is the absence of color. While that may be true in scientific terms, there is no absence of color at the worldâs black sand beaches â they are simply a stunning result of volcanic activity near a coastline.
definition - instance (computer science) Instance (computer science) In object-oriented programming an instance is an occurrence or a copy of an object, whether currently executing or not. Instances of a class share the same set of attributes, yet will typically differ in what those attributes contain.
A named instance is an installation of SQL Server that is given a name to differentiate it from other named instances and from the default instance on the same computer. A named instance is identified by the computer name on which it is installed and its instance name, also referred to as <InstanceName>.