Let's break down when it's ideal to use the NOLOCK hint and when you should never use it. As a consultant, I work on wide swaths of database systems, which means I get to see many, many SQL statements ...

First introduced in SQL Server 2012, columnstore indexes can give you major performance gains -- provided you have the right workloads. Here's how columnstore indexes work and what types of data work ...

The W3C grants Recommendation status to XQuery, the XML query language designed to do for Web services what SQL did for relational databases. On Jan. 23, 2007 the W3C granted Recommendation status to ...

Ask ChatGPT basic questions about SQL, such as “What is SQL?” or “What are the key components of SQL?” to get a foundational understanding of its purpose and structure. Gain insights into data types, ...

SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them. Database developers have it tough.

Here's a look at different ways to query Hadoop via SQL, some of which are part of the latest edition of MapR's Hadoop distribution SQL: old and busted. Hadoop: new hotness. That’s the conventional ...