Hello,
Quick question, I have just run DBCC SHOWCONTIG against an index I created against the Person.Person table in the AdventureWorks database and the results are below. Can someone let me know how there can be no logical fragmentation but 12.5% (one extent) extent fragmentation?
Any help or advice would be most appreciated.
Andrew
DBCC SHOWCONTIG scanning 'Person' table...
Table: 'Person' (1765581328); index ID: 5, database ID: 5
LEAF level scan performed.
- Pages Scanned................................: 64
- Extents Scanned..............................: 8
- Extent Switches..............................: 7
- Avg. Pages per Extent........................: 8.0
- Scan Density [Best Count:Actual Count].......: 100.00% [8:8]
- Logical Scan Fragmentation ..................: 0.00%
- Extent Scan Fragmentation ...................: 12.50%
- Avg. Bytes Free per Page.....................: 42.4
- Avg. Page Density (full).....................: 99.48%