Overview: Consistent SQL practice across varied platforms builds real job-ready confidence.Guided lessons help beginners, while timed challenges sharpen intervi ...

This Specialization is intended for a learner with no previous coding experience seeking to develop SQL query fluency. Through four progressively more difficult SQL projects with data science ...

Complete the following 10 questions using SQL queries against the social media database. Each question requires exactly one query unless otherwise specified. Do not use JOINs or subqueries.

Abstract: SQL query optimization (QO) is a critical component of database management systems, essential for improving query execution times, enhancing resource utilization, and ensuring scalability in ...

X is facing backlash after Grok spewed antisemitic outputs after Elon Musk announced his “politically incorrect” chatbot had been “significantly” “improved” last Friday to remove a supposed liberal ...

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 ...

Abstract: In the era of big data, the ability to process and analyze large volumes of data is critical for decision-making, marketing and sales, healthcare and scientific research, etc. However, this ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...