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  • Geek City: Nonclustered Index Keys

    I recently received a question about the storage of nonclustered index keys. I am assuming you are aware of the fact that if your table has a clustered index, SQL Server uses the clustered index key (all of its columns, if it is a composite index) as a 'bookmark' in your nonclustered indexes,  to allow your nonclustered indexes to uniquely ...
    Posted to Kalen Delaney (Weblog) by Kalen Delaney on March 16, 2008
  • Geek City: Detecting Overflowing Columns

    SQL Server 2005 allows rows to include variable length columns which do not actually fit in the maximum row size of 8060 bytes. I previously posted about row-overflow columns, and discussed the maximum number of such columns that you could have in a single table. You can read that post here. Just recently I received another question that ...
    Posted to Kalen Delaney (Weblog) by Kalen Delaney on October 9, 2007
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