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Reset Table Identity

, 13 Nov 2010 CPOL 12.5K 7
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SQL SERVER – DBCC RESEED Table Identity Value – Reset Table Identity
DBCC CHECKIDENT can reset the identity value of the table.
For example, Your Table has 25 rows with 25 as last identity. If we want next record to have identity as 35, we need to run the following TSQL script in Query Analyzer.

DBCC CHECKIDENT (yourtable, reseed, 34)

If table has to start with an identity of 1 with the next insert, then table should be reseeded with the identity to 0.

If identity seed is set below values that currently are in table, it will violate the uniqueness constraint as soon as the values start to duplicate and will generate error.

Please do let me know if you have any doubt.

Please provide "Vote"Thumbs Up | :thumbsup: if this would be helpful.Rose | [Rose]

Thanks,
Imdadhusen

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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Sunasara Imdadhusen
Software Developer (Senior) Infostretch Ahmedabad-Gujarat
India India
Aspiring for a challenging carrier wherein I can learn, grow, expand and share my existing knowledge in meaningful and coherent way.

sunaSaRa Imdadhusen

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Comments and Discussions

 
GeneralIf you re start identity you need to delete all records from... Pin
Abdul Quader Mamun10-Nov-10 19:43
memberAbdul Quader Mamun10-Nov-10 19:43 
GeneralRe: If you re start identity you need to delete all records from... Pin
Sunasara Imdadhusen22-Apr-14 5:01
professionalSunasara Imdadhusen22-Apr-14 5:01 

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