FREE ETL Testing Trivia Questions and Answers
A group of ___ operators can be used to verify the data accuracy of the source and target.
You can use SQL operators to make sure that data is correct. SQL operators are used to conduct database operations on data.
In the database, facts and aggregate facts are put into hierarchical groups called _____.
Facts and aggregated facts are arranged in hierarchical categories called dimensions in databases. Dimensions divide data into chunks that are easier to manage and understand.
Converting data from one form to another is a part of the ___ process.
Converting data from one format to another is referred to as data transformation. It is important to do this step when integrating, migrating, storing, or wrangling data.
Transactional systems usually go through ____ testing, while data in a data warehouse usually goes through ____ testing.
ETL testing is often carried out on data in a data warehouse system, whereas database testing is frequently carried out on transactional systems where data is sourced from various applications and entered into the transactional database.
Tests for ___ are generated automatically, saving time for test developers.
A method called automated testing can help test developers save time and get more done. It is useful for validating application upgrades and other forms of program changes.
Errors can be corrected in _______ based on the Metadata of a set of specified rules.
Cleansing is the process of detecting and deleting incorrect, erroneous, or unnecessary data from a dataset.
Because of the ____ bug, the application is accepting invalid values while rejecting valid values.
An input-output bug causes the program to accept invalid values while rejecting valid values.
What does UAT stand for?
User Acceptance Testing, or UAT, is the last step in the software development process. This is where clients and end users test the software in real life to make sure it works and is easy to use.
Which of the following organizes or generates transformation sets?
The transformations of a mapplet can be called within a mapping. It arranges or develops transformation sets.
___ bugs are bugs that check for minimums and maximums.
When testing software, boundary value analysis is used to make sure it works correctly when dealing with boundary values, like the maximum and minimum values of input parameters.
What tasks does a business analyst perform?
As a business analyst, you can find out what the requirements are by talking to stakeholders, watching how the business works, reading through old documents, and figuring out what the business needs. Documenting and priority the requirements are important to make sure they meet the needs of the business and all stakeholders.