A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...

Actian today made available an update to an embedded database that promises to increase SQL query performance within mobile and edge computing applications by as much as 90% in certain use cases.

Understand the caching mechanisms for the popular distributed SQL engine and how to use them to improve query speed and efficiency. Presto is a popular, open source, distributed SQL engine that ...

SQL Server performance is slow. Users are complaining. Your boss wants to know what's going on and what you can do to improve SQL Server performance. Where do you start? Which SQL Server query should ...

Indexing is a critical part of database optimization. Indexing can dramatically increase query speed. However, DBAs still struggle with finding optimal indexes or optimal SQL plans. DBTA held a ...