SQL remains the foundation for turning raw records into reports and business insights across industriesCore queries like ...

Abstract: Efficient SQL Query Optimization (QO) is a fundamental aspect of database management systems, aimed at enhancing query performance and reducing resource consumption typically involves ...

In addition to delivering quality releases and consistent functionality across these tools and experiences that enable you to efficiently manage and develop with Microsoft SQL Server, we are aiming ...

Vanguard Group plans to start letting workers buy an annuity within a new 401(k) target-date fund. The nation’s largest target-date fund provider will make the fund available to employers starting ...

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 ...

This project demonstrates how to extract and analyze data from an E-Commerce Dataset using MySQL Workbench. It showcases SQL skills such as data filtering, aggregation, joining tables, subqueries, ...

Linda Yaccarino’s next role after departing X as CEO will be another chief executive role at eMed Population Health, an AI startup building a tech platform for patients using GLP-1s. Yaccarino was a ...

At Build 2025, SQL Server 2025 officially entered public preview. As one of the world’s most popular databases, this release continues a decades-long history of innovation with features made for ...

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 ...

In this course, you will list the users of Oracle, trace the history of databases, list the phases in the development life cycle for Oracle systems, list and define the levels of normalization, ...