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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 ...

One person. Two AI subscriptions. Ten government agencies. 150 gigabytes of sovereign data. In December of 2025, a single unidentified operator used Anthropic’s Claude and OpenAI’s ChatGPT to breach ...

Your browser does not support the audio element. Hey there, fellow developers! If you've ever dabbled in SQL, you've probably heard the golden rule: "Never use ...

At the 2025 Conference on Empirical Methods in Natural Language Processing (EMNLP 2025) in Suzhou, China this week (November 4-9, 2025), researchers from Bloomberg’s AI Engineering group and its BLAW ...

A Data Factory or Synapse Workspace pipeline can contain control flow activities that allow for other activities to be contained inside of them. Think of these nested activities as containers that ...

Copilot in Excel introduces new finance-focused capabilities that help teams work to their standards, use trusted financial data, and stay in control of every change. GPT‑5.5 Instant is now available ...

本文分享自华为云社区《【SQL优化】为什么有时候无法走执行性能更优的hashjoin》，作者： leapdb。 1. hash join通常优于nestloop join 通常nestloop join的复杂度是O(N方)，hash join时间复杂度是O(N)，所以我们一般倾向于使用hash join。 2. 在SQL中通过 /*+ hashjoin(a b) */ 方式，让a ...

The command-line interface (CLI) is the inner world of software development. From the shell, we have direct access to all the operating system’s capabilities, and with that comes the power to compose ...