bagaimana cara mendapatkan catatan berbeda berdasarkan tanggal maksimum?

Gunakan fungsi ROW_NUMBER() dan klausa PARTITION BY. Sesuatu seperti ini:

SELECT Id, Name, Date FROM (
    SELECT *, ROW_NUMBER() OVER (PARTITION BY Id ORDER BY Date desc) AS ROWNUM 
    FROM [MyTable]
) x WHERE ROWNUM = 1