PIVOT monthly_sales ON MONTH USING COALESCE(SUM(AMOUNT), 0) ...

Question :- Ecommerce company is trying to identify returning active users. A returning active user is a user that has made a second purchase within 7 days of any other of their purchases. Write a SQL ...

Ghost CMS SQL injection campaign has compromised 700+ websites — including Harvard University, Oxford University, and DuckDuckGo — using a CVSS 9.4 flaw to inject ClickFix malware lures that trick ...

The foodservice supply chain is no longer just managing disruptions; it is living in a state of permanent volatility. As of May 2026, the Federal Reserve's Global Supply Chain Pressures Index has ...

Back in the COVID days, there was much hand-wringing about the energy use of Bitcoin (BTC) mining, reaching an estimated 204 TWh at its peak around 2022. Mining is only as profitable as the energy ...

Supply chain chaos, old bugs, smarter phishing, and botnets everywhere — here’s what broke the internet this week.