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Technical Article

SQL Server Internals: Reading Pages

  • Article

The I/O from an instance of the SQL Server Database Engine includes logical and physical reads. A logical read occurs every time the Database Engine requests a page from the buffer cache. If the page is not currently in the buffer cache, a physical read first copies the page from disk into the cache.

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2022-10-17

SQLServerCentral Editorial

Learning New Technology Is Challenging

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On nights and weekends, I've been playing with Arduino controllers. I have a couple of projects I'm working through (building a robot that can roll around with "eyes" to avoid obstacles). I've also been trying to work with STM32 controllers, because in a lot of ways, they're more powerful than an Arduino. However, I've hit […]

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2022-10-08

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SQLServerCentral Editorial

Who Are You?

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I was sitting here thinking about the editorial when Kathi Kellenberger came to mind. She would frequently write about her favorite show, Star Trek. I too have been a fan of Star Trek since I was very young. However, my favorite show is a little more obscure and not as many people have seen it, […]

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2022-09-17

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SQLServerCentral Editorial

Things Move Fast

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I have several things I’d like to say in the editorial today, but I feel I have to start off with my condolences to the family of Queen Elizabeth II. For that matter, my condolences to the people of Britain. This truly is the end of an era. Things do indeed move fast sometimes. Working […]

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2022-09-10

127 reads

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Question of the Day

Finding Marks

I have marked a few transactions in my code. How can I find out which marks were stored in a transaction log?

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