storage

storages data can actually be stored in databases or be distributed among different file systems, but the actual storage organization does not matter for an end-user. The user observes only a set of objects accessed through an API, or, as a variant, through file system calls. Good example is cloud storages. These types of data storages are to be used in large software complexes. Among other advantages one can mention unified data access without a need to think about actual ways how data are stored. Its disadvantages - they cannot be efficiently managed and controlled, and backup or migration of data is complicated.

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