एसक्यूएल संग्रहीत प्रक्रिया के माध्यम से लगातार संख्याओं के साथ एक तालिका के पहचान कॉलम को अद्यतन करना

--before running this make sure Foreign key constraints have been removed that reference the ID. 

--insert everything into a temp table
SELECT (ColumnList) --except identity column
INTO #tmpYourTable
FROM yourTable

--clear your table
DELETE FROM yourTable
-- reseed identity
DBCC CHECKIDENT('table', RESEED, new reseed value)
--insert back all the values 
INSERT INTO yourTable (ColumnList)
SELECT OtherCols FROM #tmpYourTable
--drop the temp table
DROP TABLE #tmpYourTable
GO