I will summarize my thoughts after reading "Understanding SQL Reasonably Well with Illustrations."Those with existing SQL knowledge can read through this book in about 100 minutes. イラストでそこそこわかるSQL ...

Explore server-side performance optimization with profiling, slow query analysis, caching and concurrency fixes for faster ...

System logs generated by globally distributed microservices often hide subtle degradations (like memory thrashing or systemic ...

PostgreSQL window functions make it possible to rank records, calculate running totals, and analyze data without combining ...

This article was not written by AI. It is long, so it might be easier to read if you summarize it with AI.The 'computer-savvy ...

PES University CSE DBMS Experiential Learning - Level 3 Project: Smart Campus Lost-and-Found + Item Matching Platform (PostgreSQL 16 + pgvector) - suhaasravindra-cmyk/smart-campus-lost-and-found ...

The Transact-SQL language offers options you can use to load data at scale from existing tables in your lakehouse and warehouse into new tables in your warehouse. These options are convenient if you ...

As the Hong Kong dollar nears the weak end of its trading band, strategists see currency defenses raising the risk of volatility in borrowing costs, with interbank cash reserves sitting near ...

Microsoft doesn't want customers to upgrade older PCs to Windows 11, but there are workarounds for all but the oldest devices. Here's what you can do. On Oct. 14, 2025, Microsoft officially ended ...

If you've ever wondered whether an AI feature on your phone is doing anything useful, Ben Khalesi has probably asked the same question. He has covered AI and Android for Android Police since 2023, ...

Aggregate functions collapse multiple rows into a single result. They are used with GROUP BY to compute summaries per group, or without GROUP BY to compute a single result across all rows. Approximate ...