Query optimization involves techniques like indexing, using appropriate joins, and avoiding SELECT *. Calculating the median involves finding the middle value in a sorted list of numbers. This can be ...

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 ...

Copying data by using SQL authentication and Microsoft Entra Application token authentication with a service principal or managed identities for Azure resources. As a source, retrieving data by using ...

A free tool to reduce coding for developers who like to surface T-SQL database recordsets in a simple collection of customized POCO objects. Every so often, I find myself wishing that I had a utility ...

An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...

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 ...