What percentage of the data does the part to be deleted represent? For example, if the database has 100 years of history, then 2 years is a relative pittance. If the db has three years of data total, then 2 years is huge.
SQL DBA,SQL Server MVP(07, 08, 09) Prosecutor James Blackburn, in closing argument in the Fatal Vision murders trial:
If in the future, you should cry a tear, cry one for them [the murder victims]. If in the future, you should say a prayer, say one for them. And if in the future, you should light a candle, light one for them.