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Why the SQL Server FORCESCAN hint exists

It is often generalized that seeks are better than scans in terms of retrieving data from SQL Server. The index hint FORCESCAN was recently introduced so that you could coerce the optimizer to perform a scan instead of a seek. Which might lead you to wonder: Why would I ever want a scan instead of a seek?

2014-08-15

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Technical Article

Getting Started with Hashing in SQL Server

Encryption brings data into a state which cannot be interpreted by anyone who does not have access to the decryption key, password, or certificates. Hashing brings a string of characters of arbitrary size into a usually shorter fixed-length value or key. Here's how to get started using it.

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2014-08-06

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RegEx Functions I

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Question of the Day

RegEx Functions I

Which of these RegEx functions need compatibility level 170 in SQL Server 2025?

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