When running aggregate spatial queries (e.g., SUM(ST_Area(...))) on a specific public GeoParquet dataset, DuckDB throws an INTERNAL Error: Vector::Reference used on vector of different type.

Abstract: This paper addresses the problem of sharing person-specific genomic sequences without violating the privacy of their data subjects to support large-scale biomedical research projects. The ...

When working with address data, you may encounter situations where you need to merge multiple columns, such as address, town, and postcode, into a single column. Power Query makes this task a breeze.

This SEO approach to BigQuery answers the question: What do I do once I connect BigQuery to Google Search Console? Let's find out! BigQuery has a number of advantages not found with other tools when ...

Top-k aggregation queries are widely used in data analytics for summarizing and identifying important groups from large amounts of data. These queries are usually processed by first computing exact ...

A federated SQL query execution engine created at Facebook, Presto brings interactive querying to all of your data — no matter where it resides Presto! It’s not only an incantation to excite your ...

Things are simply not the way your grandfather’s data warehouse and dependent data marts were anymore; they are now more layered and complex. With the rise of big data approaches and the new suite of ...

Abstract: Currently, most of the processing techniques for the conventional location-based queries focus only on a single type of objects. However, in real-life applications, the user may be ...