SQL conundrum, how to select latest date for part, but only 1 row per part (unique)

Question

I am trying to wrap my head around this one this morning.

I am trying to show inventory status for parts (for our products) and this query only becomes

Answer 1

You need to join into a Sub-query:

SELECT i.ldPart, x.LastDate, i.inAbc
FROM inventoryReport i
INNER JOIN (Select ldPart, Max(ldDate) As LastDate FROM inventoryReport GROUP BY ldPart) x
on i.ldPart = x.ldPart and i.ldDate = x.LastDate