sql last day of year code example

Example 1: tsql get beginning of year

SELECT
   DATEADD(yy, DATEDIFF(yy, 0, GETDATE()), 0) AS StartOfYear,
   DATEADD(yy, DATEDIFF(yy, 0, GETDATE()) + 1, -1) AS EndOfYear

Example 2: sql server select first day of previous year

SELECT DATEFROMPARTS ( DATEPART(yyyy, GETDATE()) - 1, 1, 1 )