Learn how to use Excel's new GROUPBY and PIVOTBY functions through five real-world examples, ranging from easy to hard. This ...

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 ...

Abstract: The goal of this project is to demostrate the use of PySpark and Spark SQL to query and analyze the Yelp Open Dataset. Specifically, the aim is to analyze the Yelp Reviews dataset, which ...

-- - Supports the scenario where log files list consist of both the file name formats -- - When CSV format is used, a check-constraint is added to the child table ...

“Emerging Data Lakehouse Design and Practice Handbook · Data Lakehouse Modeling and Naming Standards (2025)” consists of four progressive guides, structured along the main line of Model Architecture – ...

Microsoft on Friday warned Azure cloud service users may continue to experience "intermittent errors," blaming the problem on a US East regional networking service configuration change. The outage, ...

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