# Column medicare.ps.year ## Overview of column year in table medicare.ps | | | | ----------------------------- | ---------------------- | | Table | [medicare.ps](../medicare.ps.md) | | Qualified name | medicare.ps.year | | Datatype | string | | Column type | computed | ## Expressions ```sql SELECT (CASE WHEN "year"::int < 20 THEN (2000 + "year"::int) WHEN (20 < "year"::int AND "year"::int < 100) THEN (1900 + "year"::int) WHEN "year" IS NULL THEN 2000 ELSE "year"::int END) ```