The skills people most often associate with data scientists are usually those "hard" technical and math skills, including statistics, probability, linear algebra, algorithm knowledge and data ...

Hard SQL interview questions test the advanced problem solving skills expected in many medium and senior level data analyst ...

This book aims to improve the performance of your SQL Servers, how does it fare? The book discusses methods and tools, that can be used to identify and fix common SQL Server problems, using a ...

SQL (Structured Query Language) is a fundamental skill for anyone working in data management, whether you're a database administrator, data analyst, or software developer. For professionals looking to ...

The world of the data professionals and DBAs is swirling with threats and risks, and those dangers are on the rise. You’re probably accustomed to using longstanding database fea­tures to secure your ...