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.
An instance is a set of memory structures used to administer data files. You can have several instances in one server. In Oracle an instance and a database are closely related. One database has at least one instance. An instance is a service that runs as an operating system service. It handles the system and user databases. You can have several instances in one server.