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 ...
With JSON now the default format for moving data between clients and servers, SQL Server adds JSON support to make it easier to get your data out of the database and down to the client. SQL Server ...
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 ...
Data work in 2026 asks for more than chart building. Professionals are expected to clean data, query databases, explain ...
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 ...
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 ...
SQL, or the structured query language, is a specialized programming language designed for working with databases. There are a few different variations of SQL from different organizations and projects, ...
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