Metadata is data that is about data.?æ Although it describes the data, it's not considered business data. Master data is business data. Run-time data is data that is in the process of being run.

Data Store

Data Reserve

Data Stow

Data Warehouse

Data Repository

Data Depot

Data Storehouse

A data dictionary is a repository that contains definitions of data processes, data flows, data stores, and data elements used in an organization. It helps to provide a common understanding of data terminologies and structures within a dataset or system. Data dictionaries are often used to maintain consistency and clarity in data management and analysis processes.

Data formats:

It is formating all data file from pcs.whatever it is not use.suppose when data is full,and some data we want to delete it..

Data collection:

It is the collection of new data file.when new data is collecting..

Metada data is data that describes other data.