Question

I have 2 tables

   NAME
   +----+---------+
   | id |   name  |
   +----+---------+
   |  1 |   ABC   |
   |  2 |   CCC   |
   +----+---------+

   TBL_STATUS
   +----+-----------+--------+
   | id |  name_id  | status |
   +----+-----------+--------+
   |  1 |     1     |   KU   |
   |  2 |     1     |   HP   |
   |  3 |     1     |   HK   |
   |  4 |     2     |   KU   |
   |  5 |     2     |   HP   |
   +----+-----------+--------+

I select and join together (INNER JOIN) this 2 tables.
This is the result for my query.

   +---------+--------+
   |   name  | status |
   +---------+--------+
   |   ABC   |   HK   |
   |   ABC   |   HP   |
   |   ABC   |   KU   |
   |   CCC   |   HP   |
   |   CCC   |   KU   |
   +---------+--------+

Each name can have 3 status. HK, HP, or KU.
I want only a row for each name for the latest status.
For example:

   +---------+--------+
   |   name  | status |
   +---------+--------+
   |   ABC   |   HK   |
   |   CCC   |   HP   |
   +---------+--------+

Status priority should display with HK first (if any),
then if no HK display HP, and so on..

Answer 1

You are on the right tracks with your final output of

   +----+---------+--------+
   | id |   name  | status |
   +----+---------+--------+
   |  1 |   ABC   |   HK   | -- Need to remove
   |  2 |   ABC   |   HP   | -- Need to remove
   |  3 |   ABC   |   KU   |
   |  5 |   CCC   |   HP   | -- Need to remove
   |  6 |   CCC   |   KU   | 
   +----+---------+--------+

you just need to limit this to the max ID for each name, which is achieved in the below using an INNER JOIN on an aggregate query.

SELECT  Name, Status
FROM    Name
        INNER JOIN tbl_Status
            ON tbl_Status.Name_ID = Name.ID
        INNER JOIN
        (   SELECT  MAX(ID) AS MaxStatusID
            FROM    Tbl_Status
            GROUP BY Name_ID
        ) MaxStatus
            ON MaxStatusID = tbl_Status.ID