External Article

T-SQL Function to Determine Holidays in SQL Server

While working on a project recently I was asked to develop a mechanism that would provide the dates for state and federal holidays in a given year. Since this project deals with all states and territories of the United States, the list had to be comprehensive and the client asked that this list be in the form of a SQL query calculated on-the-fly, rather than a static list.

SQLServerCentral Article

Bookmark Lookups

Building high performance applications with SQL Server can be a challenge if you do not understand how the query processor works and how the server uses indexes. SQL Server expert Randy Dyess brings a look at how bookmark lookups are used when satisfying a query and how this can impact the performance of your query.

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Question of the Day

The Distance Metric

In the new VECTOR_DISTANCE() function in SQL Server 2025, the first parameter is the distance_metric. What is this?

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