“SQL on everything” is the tagline associated with Presto, the query engine that was initially developed by Facebook to rapidly analyze massive amounts of data — particularly data that lay scattered ...

Query optimisation remains a critical discipline in database systems, underpinning the efficiency and responsiveness of data-driven applications. By selecting optimal execution plans, modern query ...

In part 1 of my SQL Server 2022 features series, you learned about the improvements to the cardinality estimator component of query optimization. In this installment, you will learn about another ...

Many companies are moving their data systems to the cloud to gain scalability, flexibility, and lower costs. Still, there’s a hidden danger behind this development: unoptimized queries can harm how a ...

• The project is to develop an SQL query processor with JAVA and JAVACC. • The application can parse the SQL string, execute the query with data files and return the query result. • Developed query ...

Cloudera has acquired an emerging startup called Xplain.io Inc. to help organizations run their analytic clusters more efficiently. The deal could provide it with needed differentiation amid increased ...

I'm on a project that inherited some old generalized metadata search code and it can get terribly bogged down speed-wise. It's a bit annoying wait a couple minutes for a search to run: an example ...

SuperSQL is an extension of SQL that allows formatting and publishing of database contents into various kinds of application data directly as a result of a query. Possible application data output ...

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