Dennis Cheung is a Senior DBA currently living in Hong Kong, he has been working with SQL server since 2000. He has supported a different version of SQL and loves to learn new technology.

Blog Post

SQL Licensing

Recently, there are lots of questions about SQL licenses, many of them came from the fact that they starting to upgrade to 2012/2014 from their old 2005 servers as...

2015-09-30

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Blogs

PlanTrace Now Supports PostgreSQL

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A New Word: the Kinder Surprise

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the kinder surprise – . the point in your early adolescence when you realize...

Crash-Consistent Snapshot Cloning - Hyper-V Edition

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If you’ve been following my T-SQL Snapshot Backup series, most of what I’ve covered...

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By sgharlow

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The Distance Metric

By Steve Jones - SSC Editor

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By Steve Jones - SSC Editor

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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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