Data Warehouse Testing includes ETL, BI, Performance and Security Testing. With 15 years of experience and 200+ analytic engagements, we are the reliable outsource partner to gain quick, frequent and flexible DWH testing services.

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ETL Testing

• Wrong ETL that does not run as intended, or when the data is harmed or altered wrongly, will result in wrong insights.

• SQL experience testing engineers - follow a data-centric approach and validate the data at every entry point. 

• Identify duplicates and triplicates, spot missing foreign keys, check that the transformation goes according to your business rules.

• Make sure that source and target data are consistent.

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BI Testing

• Data quality for business decisions maintained throughout from ground up.

• Data integration in OLAP operations – roll-up, drill down, slicing, dicing, pivot etc. work correctly.

• Data presentation in reports and dashboards.

• Data comparison to the source.

• Check rendering time of the reports and dashboards to meet business requirements.

 

DWH Performance Testing

• Stress testing.

• Load Testing.

• Scalability and stability testing subtypes.

• Detect possible bottlenecks.

• Handles increasing number of users, and growing data volumes from data sources.

• Multiple users performing various operations simultaneously.

 

DWH Security Testing

• DWH critical business information. (clients’ data, employees, financial data, partner information, and etc).

• The correctness of role-based access.

• The correct work of data encryption and decryption.

• Validity of data back-ups.

• Data security policy adherence.

 

Testing Process

• Studying the project requirement.

• Test plan and test design.

• Test implementation.

• Result analysis and accountability (reports).