This is the issue which the data are focusing on the assurances
of the quality. Orphan records example are they not applicable to the system but still
it is present to the system.Testing the data with different creation of scenario and cases is
important to meet the quality results. There are different type of testing which
can be use and one of this effective type is the Parallel Testing that the performances
between the gap, functionality backend of Existing Database System and the New or Upgraded Database
System. The different is the scenarios which the functionality has been changing
and updating the stored procedure either from the existing database system and
new database system (upgraded). The expected results should be the same from
test scenarios created for the existing database system and new or updated database
system.