Apache Calcite is a dynamic data management framework that provides SQL parsing, query optimization, and data federation capabilities. It serves as the SQL engine for many big data systems including ...

Value investing rewards patience, but not all value strategies are equal. Some use passive index replication, while others employ active managers hunting for mispriced opportunities. JPMorgan Active ...

StarTree Inc., which sells a real-time analytics platform and cloud service based on the Apache Pinot open-source online analytical processing database, today becomes the latest data analytics ...

Recently, NSFOCUS CERT detected that Apache issued a security bulletin to fix the arbitrary file read and SSRF vulnerabilities in Apache Kafka (CVE-2025-27817); Because the Apache Kafka client does ...

I have an druid extension project that adds new user defined function to Druid SQL, but I have been facing some problems when implementing tests. I have used this example as reference but it is broken ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Dany Lepage discusses the architectural ...

Abstract: Traditional relational databases are nowadays over-whelmed by the increasing data volume and concurrent access. NoSQL databases can manage large-scale data, but most of them do not support ...