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, ...

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.

Instead of flying blind with SQL query performance, the company decided to pit the Hadoop engines against each other in a no-holds barred competition, or what Comcast Principal Architect Michael Fagan ...

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

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.

Test figures published by social network Facebook are designed to show the results of a series of advances in the Presto open-source query engine, including a new ORC reader.

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 ...

In previous columns, we've noted that the SQL language is in the ascendant. New SQL native databases such as CockroachDB and Yugabyte are showing robust adoption, while non-relational (NoSQL) ...