we got SAPTEMP db for biztalk server on sql express 2005,size is unrestricted with growth of 1MB for MDF and space used is around 40GB and free space is around 2MB.so i have jus changed auto growth to 1024MB for MDF file,this operation took around 30mins but after the operation done space used decreased to 400MB and free space increased to 40GB. i colud n't understand why the space used decreased drasticallty after changing the auto growth settings.
could some one help me on this please