Facebook engineers have revamped the company’s open source Presto query engine to run up to four times faster, making it even more feasible for very large scale data warehouse work. “We have a large ...

Data preparation software helps clean, transform and organize data. Explore our list of top data preparation software to find the right tool for your business. More and more companies are leveraging ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Joe Cassavaugh shares his journey from ...

With Tableau's Ask Data software, the BI and data visualization vendor has injected its self-service analytics platform with natural language processing to enable users to query and visualize data ...

If you’ve ever found yourself staring at a messy spreadsheet of survey data, wondering how to make sense of it all, you’re not alone. From split headers to inconsistent blanks, the challenges of ...

Power Query in Excel is a powerful tool designed to streamline the process of importing, cleaning, and transforming external data. It enables you to prepare datasets for analysis efficiently, saving ...

Data comes from all kinds of sources and Microsoft Power Query can you when you need to combine foreign data. It’s a bit easier than trying to do so in Microsoft Excel sometimes. Microsoft Power Query ...

A database query is either an action query or a select query. A select query is one that retrieves data from a database. An action query asks for additional operations on data, such as insertion, ...