Re: VARCHAR ( n )
Date: 22 Nov 2016 13:27:04 GMT
Message-ID: <names-20161122142539_at_ram.dialup.fu-berlin.de>
[Quoted] [Quoted] Axel Schwenke <axel.schwenke_at_gmx.de> writes:
> it is good practice to always use
>the smallest possible data type
[Quoted] [Quoted] The problem is that there often is no precise [Quoted] upper limit for the length of some kind of data (texts).
[Quoted] [Quoted] For example, a first name usually is no longer than 32 characters, but when one uses VARCHAR ( 32 ), it might happen that eventually someone with 33 characters in his first name comes along. So, one might use VARCHAR ( 33 ), but then someone with 34 characters might appear.
(This might be related to the
en.wikipedia.org/wiki/Sorites_paradox
[Quoted] .) See also,
Keihanaikukauakahihuliheekahaunaele Received on Tue Nov 22 2016 - 14:27:04 CET