Dynamic filtering is a technique that filters out unnecessary data in advance during the database query process. The core ...

Query optimisation remains a critical discipline in database systems, underpinning the efficiency and responsiveness of data-driven applications. By selecting optimal execution plans, modern query ...

If you're seeking to optimize your SQL queries and make the most of your database, this fundamental guide is an excellent resource. You'll learn the essential techniques to enhance database ...

“SQL on everything” is the tagline associated with Presto, the query engine that was initially developed by Facebook to rapidly analyze massive amounts of data — particularly data that lay scattered ...

Many companies are moving their data systems to the cloud to gain scalability, flexibility, and lower costs. Still, there’s a hidden danger behind this development: unoptimized queries can harm how a ...

Optimizing the performance of operational databases and the applications that access them is a constant battle for DBAs. Of course, writing efficient SQL is the most important aspect of ensuring ...

Storing data in Parquet format on cloud object storage (such as AWS S3) has become mainstream, widely used in scenarios such ...

Unlike traditional tools, SQLFlash is praised for its ease of use and educational value. "It's like having a personal SQL tutor," says one early adopter. With performance improvements averaging over ...