1.1.6 - Discuss problems that may arise as a part of data migration.

Question 1

What is data migration?

Answer 1

The transfer of data between different formats, storage types and computer systems.

Question 2

State 5 possible issues that may arise during data migration.

Answer 2

1) Incompatible file formats
2) Data structure differences
3) Validation rules
4) Incomplete data transfer
5) Differences in data

Question 3

Give 3 possible differences in data that may cause issues during data migration.

Answer 3

1) Dates are different in different countries, eg 9/11 is the US is the same as 11/9 in the UK
2) “$” could mean US dollar, but it also could mean AUS or NZ dollar.
3) Character sets between languages may be copied as “??”.