sql Server中两个不同表的两列之间的日期时间比较

Question

i have 2 tables who includes thes sames colums but the differentes data.

  
   TOOLS                   DATE
-----------       ----------------------

A10MA17           2021-09-25 05:14:16.000
x10UA50           2021-09-25 05:06:50.000
LU0NV03           2021-09-25 05:04:49.000
NU0MAK8           2021-09-25 05:02:22.000
252WA17           2021-09-25 05:15:12.000

I would like to select the data which is in table (A) but which is not in table (B) at a later date, that is to say the program must select a data in the tables (A) and go see if it does not exist in the tables B at a later date.

i use this request but I don't know how to add the filter on the date

SELECT TOOLS FROM A WHERE A NOT IN (SELECT TOOLS FROM B)

thank's for help

Answer 1

As I mentioned in the comment, I would suggest using a NOT EXISTS with a correlated subquery:

SELECT A.Tools
FROM dbo.A
WHERE NOT EXISTS (SELECT 1
                  FROM dbo.B
                  WHERE B.Tools = A.Tools
                    AND B.[Date] > A.[Date]);