On the first day of Microsoft Build 2026 in San Francisco, Microsoft announced the public preview of Azure HorizonDB, a fully managed PostgreSQL-compatible database rebuilt from the ground up for ...

-- 1. CTE BÁSICA — Ventas por región WITH ventas_por_region AS ( SELECT region, COUNT(*) as total_ventas, SUM(monto) as total_monto, AVG(monto) as promedio_monto FROM ventas GROUP BY region ) SELECT * ...

Zeta and Palantir are partnering to connect customer and operational data, bringing real-time AI decision-making to ...

You’ll eventually face questions like: 📌 Find the latest customer record 📌 Rank employees by salary within department 📌 Compare today’s sales with yesterday 📌 Calculate running totals 📌 Identify ...

If you have ever written a complex SQL query involving rankings, running totals, moving averages, top-N records, or comparing rows within the same dataset, chances are you have faced difficult joins, ...

ROUND(AVG(Salary) OVER (PARTITION BY Department), 2) AS DeptAvgSalary, ROUND(Salary - AVG(Salary) OVER (PARTITION BY Department), 2) AS DiffFromAvg ...