Getting ready for a SQL interview can feel like a big task. There are so many things to know, and interviewers love to ask about them! This guide is here to help. We’ve gathered some of the most ...
Microsoft has announced the release of SQL Server Management Studio Preview 3, which brings many features, including "initial" support for ARM64. SQL Server Management Studio (SSMS) is the tool of ...
A small but annoying change in iOS 26 beta has been driving Mail app users bananas since June. As of beta 5, however, Apple has reverted that change and avoided making even more people complain. The ...
Section 1. Amendments to Executive Order 14144. Executive Order 14144 of January 16, 2025 (Strengthening and Promoting Innovation in the Nation’s Cybersecurity), is hereby amended by: (a) striking ...
Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...
1️) Scalar Subquery in SELECT: SELECT e.emp_id, e.emp_name, e.salary, (SELECT ROUND(AVG(salary), 2) FROM employees WHERE dept_id = e.dept_id) AS dept_avg_salary FROM employees e; 2️) Correlated ...
When doing a subquery with unions, the cache is incorrectly applied if the second query in the union is cached, but the first one isn't. defmodule Schema1 do use Ecto.Schema schema "external_payments" ...
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