When an application is upgraded, the extracted data from the old application is checked against the new application's data to ensure that they are ______.

ETL Testing - Quiz(MCQ)

Varied

Identical

Similar

Different

Correct Answer : Identical

Explanation : When an application is upgraded, the extracted data from the old application is checked against the new application's data to ensure that they are identical.

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The following operations are performed during database testing :

Testing the database verifies if the column has any missing data.

During database testing, data values in columns are verified to ensure they are valid.

Tests are conducted on databases to determine whether primary or foreign keys are maintained.

All of the above

Correct Answer : All of the above

Explanation :

The following operations are performed during database testing:

* Testing the database verifies if the column has any missing data.

* During database testing, data values in columns are verified to ensure they are valid.

* Tests are conducted on databases to determine whether primary or foreign keys are maintained.