I've been thinking a lot lately about what it actually takes to make an AI agent genuinely useful for database work, both for administration and for application access to the data tier. Writing the ...

The error “Column is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause” appears when a query uses ...

A Technical Project Manager with expertise in agile methodologies, project planning, quality assurance, and more. SQL (Structured Query Language) is the universal language for managing and interacting ...

I am Java programmer, blogger on http://javarevisited.blogspot.com and http://java67.com Hello folks, SQL is one of the most important skills in today's increasingly ...

This article was written in collaboration with Bohan Zhang and originally appeared on the OtterTune website. In this article, we’ll dive into MVCC: what it is, how PostgreSQL does it, and why it is ...

Part of the SQL Server 2022 blog series. Cardinality estimation (CE) is a process used by the query optimizer to estimate the number of rows returned by a query or sub-part of a query. These estimates ...

A tool which treats CSV and JSON files as SQL tables, performs SQL SELECT queries on them, and stores the result into CSV and JSON files. Many tools and systems can export their data to CSV. Typical ...