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Questionoracle error with winserver2008 Pin
fares35-Feb-13 1:03
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AnswerRe: oracle error with winserver2008 Pin
Bernhard Hiller5-Feb-13 4:57
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Questionchar(255) vs varchar(255) vs varchar(MAX) Pin
devvvy1-Feb-13 18:22
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AnswerRe: char(255) vs varchar(255) vs varchar(MAX) Pin
Richard MacCutchan1-Feb-13 23:07
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GeneralRe: char(255) vs varchar(255) vs varchar(MAX) Pin
devvvy2-Feb-13 15:39
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AnswerRe: char(255) vs varchar(255) vs varchar(MAX) Pin
PIEBALDconsult2-Feb-13 5:22
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GeneralRe: char(255) vs varchar(255) vs varchar(MAX) Pin
devvvy2-Feb-13 23:30
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GeneralRe: char(255) vs varchar(255) vs varchar(MAX) Pin
jschell3-Feb-13 6:36
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devvvy wrote:
I think it's the opposite. CHAR don't store trailing termination char (2 bytes for SQL), varchar does


Not sure what that statement means.

The 'char' data type is fixed length. That means that there will ALWAYS be 255 characters. And the way normal APIs to databases handle that is that they pad shorter lengths with spaces. Pretty sure that is an ANSI requirement as well.

devvvy wrote:
that's why you should always use VARCHAR(n) as supposed to VARCHAR(MAX)


Unless of course you know that you will be storing data larger than the largest integer value allowed for varchar(n).

devvvy wrote:
CHAR(n) when lenght same for all/most rows.


In normal database design most columns will be varchar because
1. User data is almost always variable
2. Application data that is text almost always has a variable length.
QuestionSP Unexpected Behavior Pin
eddieangel1-Feb-13 7:19
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QuestionEncrypt a field in the database. Pin
vanikanc1-Feb-13 5:31
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AnswerRe: Encrypt a field in the database. Pin
Eddy Vluggen1-Feb-13 7:02
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Questioncheck before insert Pin
vanikanc31-Jan-13 4:55
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Eddy Vluggen31-Jan-13 10:35
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mark merrens31-Jan-13 8:10
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vanikanc31-Jan-13 8:21
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mark merrens31-Jan-13 10:09
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GeneralRe: check before insert Pin
Chris Meech31-Jan-13 10:24
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GeneralRe: check before insert Pin
mark merrens31-Jan-13 10:25
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AnswerRe: check before insert Pin
djj551-Feb-13 7:50
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QuestionIdentify DML changes between two databases Pin
Member 313707830-Jan-13 20:56
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AnswerRe: Identify DML changes between two databases Pin
Mycroft Holmes30-Jan-13 21:11
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