What do you call a collection of descriptions of the data
items for the benefit of programmers and others who might
need to refer to them?
1. A data dictionary
2. A data model
3. A repository
4. A specification
5. A data map
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data dictionary -defines the value,type ,format and its
usage and its link in code.
data model-shows about how our has to be.simply we can say
it as example.
repository-similar to memory i.e place used to store the
data.
specification-tells about requirements
data map-relation between data or data flow.
so collection of description of data is data dictionary.
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