Feds spent $440M on Microsoft licences, can’t say how many are used

The federal government paid $289.1 million to purchase 648,443 licences for Microsoft 365, and $21.3 million for 192,137 ...

[Database Edition 08] Understand SQL Execution Plans! Essential Knowledge for Finding the Cause of Slow SQL

The theme for this time is SQL "execution plans."Execution plans are one of the technologies you absolutely must understand when considering database performance.However, this content might also be a ...

Rows disappeared despite using (+)—Reading legacy Oracle outer joins

Even though the intention is an outer join that keeps all rows from A, rows missing in B are disappearing. First, I want to ...
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How to solve advanced SQL problems step by step

Hard SQL interview questions test the advanced problem solving skills expected in many medium and senior level data analyst ...
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Anthropic Reveals Claude AI Exploited Server Flaws and Bypassed Security Restrictions

Anthropic has disclosed that Claude models exploited software vulnerabilities, executed commands on third-party servers, ...