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Raster in FGDB vs ArcSDE: big size difference?

Question asked by JerryGarcia on Nov 24, 2014
Latest reply on Nov 24, 2014 by vangelo-esristaff

I am exporting DEM data from ArcSDE SQL Server to File GDB (FGDB).


My FGDB's are way smaller in size.  Should I be concerned?  Why is this?  They are both Esri GRID format, correct?


For example,

Exported ArcSDE ~475GB to 320GB in FGDB.

Exported ArcSDE ~80GB to 55GB in FGDB.