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DB Reindex


DB Reindex

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skpani
skpani
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Yesterday i did rebuild my index but while checking I came to know that there are still some fragmentation..what is the reason ?
Lynn Pettis
Lynn Pettis
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Without seeing what you see, can't really tell you. What I can say is that rebuilding indexes does not eliminate fragmentation, it reduces it.

Cool
Lynn Pettis

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Index rebuilds aren't expected to make the fragmentation exactly zero. Also could be index is too small to be worth rebuilding.


Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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Jeff Moden
Jeff Moden
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To add to what the others have already cited... fragmentation is constantly happening on active systems that have any indexes that are based on non-temporally related columns... even during defragmentation if done online.

--Jeff Moden

RBAR is pronounced ree-bar and is a Modenism for Row-By-Agonizing-Row.
First step towards the paradigm shift of writing Set Based code:
Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
Although they tell us that they want it real bad, our primary goal is to ensure that we dont actually give it to them that way.
Although change is inevitable, change for the better is not.
Just because you can do something in PowerShell, doesnt mean you should. Wink

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skpani
skpani
Grasshopper
Grasshopper (11 reputation)Grasshopper (11 reputation)Grasshopper (11 reputation)Grasshopper (11 reputation)Grasshopper (11 reputation)Grasshopper (11 reputation)Grasshopper (11 reputation)Grasshopper (11 reputation)

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Thanks to all.I got my point..
Go


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