Advanced SQL for Data Analytics. A collection of problem-solving solutions covering complex Joins, Window Functions, CTEs, and Query Optimization. Includes real-world interview questions, schema ...

Getting good at SQL for interviews can feel like a puzzle. You know the basics, but putting them together in a way that impresses people is another thing entirely. Luckily, there are great tools out ...

At the conclusion of an interview, it’s customary for the hiring manager to ask the job candidate if they have any questions. You’ve probably responded with generic questions like “When will I hear ...

Leveraging interview intelligence has several benefits: • Efficiency And Scalability: These platforms can create structured interview guides. This capability is especially valuable for high-volume ...

To handle duplicate rows, you can use the DISTINCT keyword to select only unique rows. Alternatively, you can use ROW_NUMBER() with a common table expression (CTE) to identify and remove duplicates.

Forbes contributors publish independent expert analyses and insights. Dr. Cheryl Robinson covers areas of leadership, pivoting and careers. Drop the rehearsed responses—recruiters are looking for ...

SQL, the Structured Query Language, is a cornerstone skill for anyone working with data. To master this powerful language, consistent practice is crucial. We present a curated list of 12 top-notch ...