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Technical Article

Sparse Columns – ConvertSVtoXML & XMLToResv

  • Article

Not very often I run across something with zero matches in a search engine, but had it happen recently. I had set up a simple demo of a sparse column set and happened to look at the execution plan, was interested to see that the Compute Scalar was backed by ConvertSVtoXML. This was on a select from a table with one row, and then, being a little more curious, updated it with an xml fragment I saw a call to ConvertXMLtoResv. I’d venture that those serve to convert back/forth from XML storage.

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2009-10-15

1,219 reads

Technical Article

Weak Passwords Discovered in the 10,000 Disclosed Hotmail/Live.com/MSN leaked accounts

  • Article

By now, hopefully everyone has heard of the security breach where accounts and passwords were found on a public site listed the account usernames and passwords of some 10,000 users. Initially it was just reported to be Hotmail/Live.com/MSN, but it turns

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2009-10-13

3,534 reads

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Transaction Log Truncation

In SQL Server 2025, where can I find information about items that prevent or delay the transaction log truncation?

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