One of my favorite STEM challenges—hands-on problem-based activities designed to build students’ critical thinking and ...

Abstract: The iceberg cubing problem is to compute the multidimensional group-by partitions that satisfy given aggregation constraints. Pruning unproductive computation for iceberg cubing when ...

Effective prompts use four core elements. Start by assigning a role, then give background context, state a clear task with an ...

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Abstract: Problem solving, worked examples, and erroneous examples have proven to be effective learning activities in Intelligent Tutoring Systems (ITSs). However, it is generally unknown how to ...

Agentic applications—AI systems empowered to take autonomous actions by calling external tools—are the current rage in software development. They promise efficiency, convenience, and reduced human ...

Every data engineering team right now is being asked the same question: "How do we build a chatbot that talks to our data?" The prototypes are deceptively simple. A developer connects GPT-5.1 to a ...

MySQL and PostgreSQL are two of the most used open source SQL databases, and both fulfill the role of a general-purpose database well. How do you choose which one to use for a project? Let's look at ...

After Apache DolphinScheduler has been running for a period of time, the instance scheduling logs increase significantly and need to be cleaned up regularly. SQL ...

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects simply to a non-technical, business audience. Over… DBMSs are important ...