Schema, Instance & Metadata | Schema | Instance | Meta Data

Schema: Description of Database Specified during database design Not expected to change frequently

Instance: You remember instantaneous velocity, the velocity of a body at a particular moment of time Instance is the snapshot of database at a particular moment of time.

Meta Data: Data about data Database system stores the information (for example, schema construct and constraints) about a database which is called meta data.


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DefinitionFiber optics is the technology used to transmit information as pulses of light through strands of fiber made of glass or plastic over long