GitHub

Support recursive planning of recurring inner joins when there is a reference to outer query

Currently, Citus can successfully execute queries with recurring left join with a reference to outer query via recursive planning. However, when the same subquery uses an INNER JOIN, recursive ...
VentureBeat

Oracle MySQL Heatwave Lakehouse goes GA to query data

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More Oracle is formally getting into the data lakehouse business with the ...
IEEE

Hive and MySQL - Query performance comparison for a multidimensional model

Abstract: This paper presents a performance comparison of queries in multidimensional database stored in two different platforms, MySQL, which is one of the most popular database management systems ...
GitHub

Distributed subquery significantly slower than identical handmade temporary table

I am struggling to identify slowness in clickhouse with (what appears to me), two identical operations. I'll describe the problem abstractly and then work down into traces and profiles. Clickhouse ...
InfoWorld

Oracle accelerates MySQL HeatWave queries with machine learning

Taking aim at competitors including Amazon Aurora and Snowflake, Oracle has enhanced the MySQL HeatWave in-memory query accelerator in the Oracle Cloud’s MySQL Database Service by leveraging advanced ...
InfoWorld

Oracle adds analytics to MySQL in the cloud

Oracle MySQL Database Service with the MySQL Analytics Engine combines OLTP and OLAP in the same MySQL database in the Oracle Cloud Oracle is combining OLTP (online transaction processing) and OLAP ...