Free, open-source platform for Company-Wise LeetCode and SQL interview questions ranked by real frequency and recency across 680+ tech companies. A structured, beginner-to-advanced Oracle SQL learning ...

Most text-to-SQL systems treat the task as translation. Feyn AI (YC-backed startup) reframes it around inspection. The Feyn team has released SQRL, a family of models that turn natural language ...

Google Cloud Summit came to London last week, and we took the opportunity to sit down with database execs Sailesh Krishnamurthy (VP engineering) and Yasmeen Ahmad (product executive Agentic Data Cloud ...

Microsoft on Wednesday declared DNS over HTTPS (DoH) generally available for Windows DNS Server, making it the first time enterprises can encrypt client-to-resolver DNS traffic in a production Windows ...

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 ...

Dun & Bradstreet has spent over 180 years building a comprehensive commercial database. Its Commercial Graph, covering 642 million businesses and their relationships, corporate hierarchies and risk ...

SQL Server DBA specializing in performance tuning and disaster recovery. Bad code rarely begins the cascade of most SQL Server performance problems. Typically, it begins with something that is much ...

Artificial intelligence is rapidly entering nearly every stage of the software development lifecycle. From code generation to automated testing, AI tools are increasingly embedded in the daily ...

Traditional RAG systems struggle bridging structured SQL databases and unstructured document collections (a challenge we call the modality gap), leading to incomplete reasoning and hallucinations.

12 worked SQL problems showing exactly when to use CTEs vs subqueries. Covers readability, performance, correlated subqueries, recursive CTEs for hierarchies and date series, and multi-CTE pipeline ...

Practice 15 SQL interview questions tailored to e-commerce and marketplace data science roles. Covers customer analytics, product ranking, funnel queries, seller metrics, and time-based business ...