Answer / bhaskar

Data conversion is the subset of Data migration.Data
Extraction is the activity of extracting the data from the
source. Transforming the data and loading it to the target
system.

Data Migration on the other hand involves Data Conversion
activities in addition to all the activities required to
move the application successfully to utilize the target
data.

Answer / duan smith

Data conversion and Migration Both of the term is used interchangeably. Or just we can say that Data Conversion is set of data migration. Data migration is upgrading what we call but Data conversion is taking the data from the source and converting according to the target set environment. Data migration is the process of transferring data between storage types, formats, or computer systems. It is a key consideration for any system implementation, upgrade, or consolidation. Data conversion is the conversion of computer data from one format to another. Throughout a computer environment, data is encoded in a variety of ways. For example, computer hardware is built on the basis of certain standards, which requires that data contains, for example, parity bit checks. SK Data Entry Services is a reputed data conversion service provider, which provides conversion services like Book Conversion, Catalog Conversion, Data Extraction, Data scraping, Document Conversion, eBook Conversion, Excel Conversion, Images to DOC Conversion, OCR Data Conversion etc.

Source : http://skdataentryservice.blogspot.com/

Answer / narayana.chinni

1.Data Migration is extracting data from legacy system and loading the data into new system if individuals required to upgrade the systems

2.Data conversion is bit different from data migration we do conversion from one format to another format with in the versions ex: when we upgrade the version from 11i to R12 we do conversions

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