Not all SQL engines are built the same, however, and there were some notable differences in performance on the different query types. Impala and Spark tended to outperform Hive and Presto overall, ...

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But if customers need to choose between a SQL engine that runs only over Spark, and one that can do that and run over Hadoop MapReduce and Apache Tez as well, Spark SQL may have some explaining to do.

A new benchmark of SQL-on-Hadoop engines Impala, Spark and Hive finds they each have their own strengths and weaknesses when it comes to Business Intelligence (BI) workloads.

Potentially raising the bar on SQL scalability, Facebook has released as open source a SQL query engine it developed called Presto that was built to work with petabyte-sized data warehouses ...

Qubole Inc., the cloud analytics vendor, has added a serverless engine to its platform aimed at simplifying complex tasks like creating data pipelines and server clusters used to scale analytics ...

Qubole, a big data-as-a-service company, is open sourcing its Quark platform, a cost-based SQL optimizer. The Quark project is also available in a SaaS implementation via the Qubole Data Service (QDS) ...

Indeed, Quantum is essentially just another SQL engine without Qubole’s overall suite of engines. Typically, Qubole charges enterprises by compute minutes.

During this preview period, Google Cloud SQL will be free of charge. Google will announce pricing a month before it starts charging for it. “You can now choose to power your App Engine ...