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Operations Training and Certification for Apache Cassandra® – Starts June 7th

About This Course Apache Cassandra® is an open source non-relational, or NoSQL database that enables continuous availability, tremendous scale, and...

CoursesOpen SourceOpenSI

Developer Training and Certification for Apache Kafka®

About This Course Apache Kafka® is the open source technology of choice across industry leaders, used for building...

Open Source

What is PostgreSQL®️ and why should you learn it?

The Case for PostgreSQL®️ If you’re in database administration, chances are you’ve faced an age-old question: is it...

Open Source

What is Apache Spark™?

What is Apache Spark™? Apache Spark™ is a high performing, sophisticated, open source analytics engine built around speed, performance...

Open Source

What is Apache Cassandra®?

What is Apache Cassandra®? Apache Cassandra® is an open source non-relational, or NoSQL, a database that enables continuous...

Open Source

What is Apache Kafka®?

What is Apache Kafka®? Apache Kafka® is the leading distributed streaming and queuing technology for large-scale, always-on applications. Kafka...

NewsOpen SourceOpenSI

Welcome to OpenSI – A New Open Source Foundation

Welcome to OpenSI OpenSI is a not-for-profit open source foundation focusing on open source training, certification, and research...

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