Query optimisation in distributed database systems addresses the challenge of selecting an efficient execution plan across multiple networked nodes. Owing to the combinatorial explosion of possible ...

Is it SQL, NoSQL, or NewSQL? Even though it's just naming conventions, MemSQL is usually thought of as part of the NewSQL lot. That is, databases grounded on the relational SQL model yet adopting some ...

“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 ...

On Friday the 13th of March 2026, M.Sc. Valter Uotila defends his PhD thesis on Quantum Computing Methods for Query Optimization in Relational Databases. The thesis is related to research done in the ...

Relational calculus. Query processing and optimization. Transaction processing: failure, recovery, and concurrency. Database security. Logic-based systems. Parallel ...

Learn the role that natural language processing plays in making Google search even more semantic and context-based. Natural language processing opened the door for semantic search on Google. SEOs need ...