Articles

External Article

Finding Data Corruption

Rodney describes how a working DBA goes about troubleshooting data corruption. He demonstrates the tools and scripts required to seek out and fix data corruption in a timely manner, and so prevent it propagating into your backups.

2009-10-15

3,754 reads

Technical Article

Sparse Columns – ConvertSVtoXML & XMLToResv

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

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Question of the Day

Identities and Sequences III

When thinking of the Identity property for auto incrementing columns and sequences for the same action, which can be used with the BIGINT data type?

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