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Practical Data Migration, 3rd Edition
book

Practical Data Migration, 3rd Edition

by Johny Morris
October 2020
Beginner to intermediate
314 pages
10h 4m
English
BCS, The Chartered Institute for IT
Content preview from Practical Data Migration, 3rd Edition

A5 DATA MAPPING

For the mapping example, you are looking to populate a target system equipment register as described in Table A5.1 within an ERP application.

Table A5.1 Target system equipment table layout

Table: Columns include Table name, Field name, Field Type, Field length, Mandatory, Description and Validation. Table name as Equipment includes fields like Equipment ID, Description, Type, Status, Location ID, and Owner

Table: Outline of data fields including Input By, Operator, Warranty Date, Warranty Description, Account Code with types, length, keys, description and validation rules.

You can see the fields that need to be populated (‘mandatory’) from a target system viewpoint. That, however, is only the technical view of mandatory. Although the target system might allow you to create records with some fields unpopulated, your business processes mandate the completion of many other fields. You would also like to provide ...

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Publisher Resources

ISBN: 9781780175164