Windows Server 2008 attempts to align new partitions out-of-the-box, yet disk
partition alignment remains a relevant technology for partitions created on
prior versions of Windows.
A sector is the minimum chunk of data that can be read or written to a hard
drive. Historically, sector size has been fixed at 512 bytes.
Newer drives may offer 1 KB, 2 KB, or 4 KB sectors.
Sometimes you want to know what the percentage is of null values in a table for a Column
Or you might want to know what the percentage of all values in a Column is grouped by value
You can get these answers by running the code below
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