Select Middle Record

We can use the SELECT TOP 1 query to find the First or the last record in a table data. From below query we can find the exactly middle record in a table data.

SELECT TOP 1 VchDt
  FROM (SELECT TOP 50 PERCENT VchDt 
          FROM SaleData WITH (NOLOCK)
         ORDER BY VchDt ASC) AS T1 
 ORDER BY 1 DESC