Lecture on Schema, Instance & Metadata
Content covered: 
  • This lecture describes the idea of Schema, Instance, and Metadata.

Schema:

  • ‚ÄčIt is basically description of database.
  • It is specified during database design and is expected not to be changed frequently.

Instance: It is snapshot of Database at a particular point of time, also known as current set of occurence.

Metadata: It is basically data about data.It has complete description of data.

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1Comment
LAVESH RAWAL @laveshrawal 21 Oct 2016 05:06 pm

very well Pritam :)