Articles
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Testing the Extract, Transform, and Load Process in Data Warehouses Pulling data from a source system and putting it into a data warehouse is a process commonly known as extract, transform, and load, or ETL. Testing the process can be a chore—you need to be sure all appropriate data is extracted, that it is transformed correctly to match the data warehouse schema, and that it's all imported. Instead of testing the ETL process as a black box, you can pull it apart, testing each piece in isolation. |
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The Value of Making Your Data Sources Reusable across Test Automation Tools Many automation tools have a mechanism for storing data used in their test scripts. Typically, the specifics of this mechanism is different across tools, making it difficult to use this data outside the tool itself. Using an external, reusable data source allows organizations to avoid the cost of migrating or duplicating existing data, thereby future-proofing their frameworks. |
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Big Data’s Relationship with Business Intelligence and Data Warehousing You’ve probably heard the buzz about big data and business intelligence data warehouses. Both deal with collecting information for analysis, but how are they different? When should you use one or the other? This article explains these two data solutions in a user-friendly way with real-world examples. |
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Business Intelligence and Data Quality Business analysis is only as good as the quality of the data. If the testing process is weak and the data quality and data integrity tests are suspect, then the business could be at risk. Learn how to get the most out of your data, warehouse, and business intelligence testing. |
Better Software Magazine Articles
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Attacking Quality Issues in Data Warehousing To fully detect, isolate, and resolve quality issues in a traditional, large-scale data warehouse requires that several approaches be used together. Wayne identifies types of data quality issues and then illustrates how to best attack and resolve those pesky issues. |
Interviews
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Bold Questions over Big Data: An Interview with Matt Coatney In this interview, Matt Coatney discusses the importance of asking bold questions, the big misconceptions behind big data, the best way to start your approach to big data, and his vision for a future where technology and big data make the world a better place. |
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Demystifying Big Data: An Interview with Manish Arora In this interview, Manish Arora demystifies big data by covering some of the biggest misperceptions and pain points held by businesses and SMEs. Arora also talks about his recent article featured on LinkedIn and why it's important to put good teams and technology into proper perspective. |
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Improving the Efficiency of Your Metrics: An Interview with Mike Trites
Podcast
In this interview, Mike Trites, a senior test consultant, talks about his upcoming presentation at STAREAST 2014, the future of metrics, the importance of improving the efficiency of your metrics, and even an interesting take on the old phrase that numbers never lie. |
Conference Presentations
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Big Data Migration to the Cloud: Testing Challenges and Strategies
Slideshow
Moving to the cloud is no longer a question of if, but when. Most corporations are either underway in their cloud adoption or have it on their radar. |
Sanjay Srinivas
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Data Curation: Refine and Shine
Slideshow
We now live in a world where data is generated with every action taken. From buying groceries to walking the dog, we're generating data all the time, everywhere. |
Michael Hobbs
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Machine Data Is EVERYWHERE: Use It for Testing
Slideshow
As more applications are hosted on servers, they produce immense quantities of logging data. Quality engineers should verify that apps are producing log data that is existent, correct, consumable, and complete. Otherwise, apps in production are not easily monitored, have issues that are... |
Tom Chavez
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Leverage Streaming Data in a Microservices Ecosystem
Slideshow
Imagine a world where operational data is continuously flowing from applications and devices at an extremely high rate. Now imagine services intercepting this data and analyzing it real time. Sounds futuristic? It's not—it's here today. Mark Richards describes what streaming architecture... |
Mark Richards
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