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Generaljavascript and database Pin
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GeneralRe: javascript and database Pin
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professionalPaul Conrad12-Mar-08 5:45 
GeneralRe: javascript and database Pin
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Generalget changes of programaticaly changed rows Pin
baranils12-Mar-08 3:39
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GeneralObject reference not set to an instance of an object. in ms-sql express vb.net Pin
r_mohd12-Mar-08 2:31
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GeneralRe: Object reference not set to an instance of an object. in ms-sql express vb.net Pin
Colin Angus Mackay12-Mar-08 4:57
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QuestionUsing DatePart as part of a Unique Constraint? Pin
kbalias12-Mar-08 1:07
kbalias12-Mar-08 1:07 
Hi
We are using SQL Server 2005. In a table we want to add a Unique constraint to ensure that only one record can be added for a student per day. The two columns for the constraint will be StudentIndex and IssueDate. We cannot use the whole IssueDate value because of the hour, min, seconds, milliseconds parts. Is it possible to use DateParts as part of a Unique constraint?

The following does not work:
CONSTRAINT UQ_Issues
UNIQUE ( DATEPART(dd, IssueDate), DATEPART(mm, IssueDate), DATEPART(yy, IssueDate), StudentIndex )


Any ideas will be appreciated.

Thanks

Kobus
AnswerRe: Using DatePart as part of a Unique Constraint? Pin
Syed Mehroz Alam12-Mar-08 1:48
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QuestionMembership Stored Procedures Confusion Pin
Brendan Vogt11-Mar-08 22:59
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GeneralRe: Membership Stored Procedures Confusion Pin
Mark J. Miller13-Mar-08 5:48
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QuestionRunning SQL Server stored procedure Pin
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GeneralConcurrency violation Pin
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baranils13-Mar-08 6:54
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Generalsql structure Pin
Tara1411-Mar-08 21:02
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GeneralRe: sql structure Pin
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Tara1412-Mar-08 7:45
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GeneralRe: sql structure Pin
Syed Mehroz Alam12-Mar-08 0:17
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GeneralRe: sql structure Pin
Tara1412-Mar-08 5:50
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GeneralRe: sql structure Pin
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GeneralPassword Expiry Pin
manowj11-Mar-08 20:24
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GeneralCannot resolve collation conflict for equal to operation. Pin
AlexeiXX311-Mar-08 14:44
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GeneralRe: Cannot resolve collation conflict for equal to operation. Pin
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