Reset Identity Column in SQL

By Bradley Schacht
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August 10, 2011
1 Min read
In SQL Server

I’ll be honest, I am partially writing this because I always forget how to reset the identity column on a table and I want to be able to just pull up my blog and look it up.  Yet again today I had to do this and I couldn’t remember the exact syntax, so here it is.  The next record is going to be the seed value plus 1, or in the case of this example I will use zero so the first record is 1.  That will make my O.C.D. happy to see my table starting with a key value of 1!
Hopefully this will help some people new to T-SQL and be a simple reminder for the veterans out there.
Syntax:
DBCC CHECKIDENT('TableNameHere', RESEED, StartingValue - 1)
Example:
DBCC CHECKIDENT('DimGeography', RESEED, 0)

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Bradley Schacht

Bradley Schacht is a Principal Program Manager on the Microsoft Fabric product team based in Jacksonville, FL. Bradley is a former consultant, trainer, and has authored 5 SQL Server and Power BI books, most recently the Microsoft Power BI Quick Start Guide. As a member of the Microsoft Fabric product team, Bradley works directly with customers to solve some of their most complex data problems and helps shape the future of Microsoft Fabric. He frequently presents at community events around the country, is a contributor to sites such as SQLServerCentral.com, and is a member of the Jacksonville SQL Server User Group (JSSUG).

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Bradley Schacht

Bradley Schacht is a Principal Program Manager on the Microsoft Fabric product team based in Jacksonville, FL. Bradley is a former consultant, trainer, and has authored 5 SQL Server and Power BI books, most recently the Microsoft Power BI Quick Start Guide. As a member of the Microsoft Fabric product team, Bradley works directly with customers to solve some of their most complex data problems and helps shape the future of Microsoft Fabric. He frequently presents at community events around the country, is a contributor to sites such as SQLServerCentral.com, and is a member of the Jacksonville SQL Server User Group (JSSUG).

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