Methodology
Hi Candidate,
A common requirement in distributed data-intensive applications, such as data warehousing and data mining, is that the various databases involved be joined in a process called schema integration.
To aid the schema conforming, merging and restructuring phases of the integration process, various transformations have been defined to map between various equivalent ER representations. This reduces the manual effort required in integration of articles.
Hope that this answer helps you. Have a Good Day!!
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