Because 1GB, or even hundreds of MB, could be a significant amount of data if it's suddenly created or suddenly dropped, for example in temporary tables or sort files. And when things are rounded to the nearest GB you can't tell.
Because 1GB, or even hundreds of MB, could be a significant amount of data
if it's suddenly created or suddenly dropped, for example in temporary
tables or sort files. And when things are rounded to the nearest GB you
can't tell.