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SQL Server 2005
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SQL Server 2005 General Discussion
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Streams VS Sparse File
Streams VS Sparse File
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Subhash-63067
Subhash-63067
Posted Thursday, November 19, 2009 3:28 AM
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Last Login: Monday, May 13, 2013 8:09 AM
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Can somebody help me to understand,
is there any difference between "SPARSE FILE" and "Streams", are the same?
"SQL Server 2005 uses sparse files for snapshot database files and online DBCC operations against files stored on NTFS volumes."
"SQL Server 2005 online DBCC checks are based on the database snapshot technology by using transient, secondary file streams to store point-in-time images of data pages when the DBCC is in progress"
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Post #821453
Subhash-63067
Subhash-63067
Posted Friday, November 20, 2009 5:25 AM
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Last Login: Monday, May 13, 2013 8:09 AM
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Any help please
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Post #822275
GilaMonster
GilaMonster
Posted Friday, November 20, 2009 5:53 AM
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Unrelated, other than they are both NTFS features.
Alternate streams:
http://msdn.microsoft.com/en-us/library/ms810604.aspx
(long document)
Sparse files:
http://msdn.microsoft.com/en-us/library/aa365564%28VS.85%29.aspx
(there's also info on sparse columns in the previous doc)
Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild
: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass
Post #822296
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