how to extract only the year from the date in sql server 2008?

year(@date)
year(getdate())
year('20120101')

update table
set column = year(date_column)
whre ....

or if you need it in another table

 update t
   set column = year(t1.date_column)
     from table_source t1
     join table_target t on (join condition)
    where ....

You can use year() function in sql to get the year from the specified date.

Syntax:

YEAR ( date )

For more information check here

select year(current_timestamp)

SQLFiddle demo

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