ETL Testing

For refined data streams- tuned for rapid BI consumption

Our ETL testing services deliver quality assurance across your data transformation chains, spanning extractors ingesting divergent source feeds to loading layers populating business intelligence tools. We intensively profile data flow integrity end-to-end, confirming precise schema adherence and identifying latency points impacting SLAs. Our optimized protocols provide ETL precision at scale catered to your analytics consumption requirements.

What does Testriq QA Lab have to Offer for Smart ETL Testing?

Our ETL testing services deliver Test Automation frameworks purpose-built for the difficulties of modern data pipelines, we ensure functionality in continual source variability and schema evolution. Validation of critical data transformation chains, preventing compromised analytics integrity from overlooked extraction gaps. Diligent QA spans source harvests to target loads, confirming clear pipeline execution. Scripted automation suites verify synchronization mechanisms and incremental updating resilience at scale while compliance testing aligns standards adherence to data governance policies. Precision validation analytics coupled with optimization advice strengthen the backbone fueling your mission-critical reporting, machine learning and visualization systems downstream.

Our ETL Testing Expertise

Data Accuracy Testing

Validating accurate data transformation from source to destination.

Data Consistency Testing

Ensuring uniformity and consistency in data across multiple systems.

Data Integrity Testing

Verifying the integrity of data throughout the ETL process.

Data Regression Testing

Certifying stability in data behavior amid changes.

Our Expertise In Some of The Leading Testing Tools

FAQ : ETL Testing

What systems do you test ETL processes on?

We test ETL jobs across a variety of systems including cloud platforms like AWS, GCP, and Azure, on-premise solutions like SQL Server Integration Services, Informatica, Oracle Data Integrator, Talend, etc.

What types of data and sources do you utilize for testing?

We test complex ETL scenarios with large datasets originating from diverse sources like RDBMS, NoSQL DBs, CSV/TSV/JSON files, XML feeds, OAuth APIs, HDFS, AWS S3, and more.

How do you validate data completeness and accuracy?

We verify row-level metadata, column-level statistics, data schema/lineage, duplicate detection, invalid value identification, referential integrity checks and custom data quality checks during testing.

What is your approach to testing transformed data?

We analyze source data variance vs statistically sampled output data distributions to validate correctness of transformation business logic across filters, joins, aggregations, encodings, etc.

How are resilience, recoverability and error handling tested?

We inject various faults into source systems, networks and target databases to validate resilience across intended data loss, latency, crashes, duplicate arrivals and more based on SLAs.

Ready to Elevate Your ETL Testing?

What Our Clients Say

Testriq was a clutch QA partner for Pro-ficiency in our early years. We work in a highly regulated environment, and our QA and validation requirements are rigorous as they are for any technology provider in the clinical trials arena. Testriq provided essential services to help us meet our regulatory requirements and they did it with excellence, good communications and a solid commitment to our requirements. They went above and beyond and their work was an instrumental component of our quality system.

Dave Hadden Founder and President

I highly recommend Testriq for their outstanding QA testing services provided to Canva over the past few years. They've seamlessly integrated into our core team, demonstrating professionalism, consistency, and a strong work ethic. Testriq has adeptly handled testing for Canva across web, mobile, and desktop platforms, always accommodating last-minute requests while maintaining high quality. The Canva QA team enthusiastically recommends Testriq as reliable QA professionals.

Loren De Canas QA Lead at Canva

As a Director of Product and Technology at an event company, I highly recommend Testriq for QA development and technology needs. They are thorough in their work and proficient in testing across our diverse user base. Despite significant time zone differences, Testriq's QA analysts are flexible and reliably meet deadlines.

Jake Browning Director of Product and Technology

Testriq provides comprehensive testing resources and services tailored to meet every client's needs. Their responsive support team is always ready to assist. We've had a successful partnership with Testriq for years, ensuring consistent, reliable releases across various platforms. They've played a crucial role in our business success, and I wholeheartedly recommend their services.

Ranjan Upadhyay Vice President - Operations

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