Richard Heyes wrote:
>>> it' may seem like a small amount of space but when you have 8
>>> char(255) columns in a table with 10 million rows you'd noticed the
>>> difference considerably.
>>>       
>
> It is a small amount of space. Perhaps it was necessary in the days
> when 1Gb Hdds were a luxury, but those days are long gone. In the
> example you gave you're still only wasting approx 1 GB. Hardly a lot
> these days when you consider you buy a consumer 500Gb Hdd for £50.
>
>   
You also have to remember that server drives are more expensive as they
are of higher quality than consumer disks.  They require a lot more MTBF
than your normal hard drive at your local computer store.  Also, if you
waste 1GB in 1 column, imagine how much wasted space there is in the
whole DB.

Thank you,
Micah Gersten
onShore Networks
Internal Developer
http://www.onshore.com




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