Reset Identity column value in sql

Syntax:
DBCC CHECKIDENT
( 'table'
[ , { NORESEED | { RESEED [ , new_reseed_value ] } } ]
) [WITH NO_INFOMSGS]

Key:
NORESEED - The current identity value should not be changed.
RESEED - Change the identity value.
new_reseed_value - The new seed value to be used for the identity column.
WITH NO_INFOMSGS - Suppresses all information messages.

DBCC CHECKIDENT ('Employee', RESEED, 0)