group table with 1st Column of one Row and 2nd Column of lastRow

Question

I am Stuck With Mysql Query and don't even know if it is possible or not.

I have the Following Table

And I want to Group pstatus in a way that startdnt column contains the first row value and enddnt contain the last row value of the group. Final result will look like this

so for with this query i'm able to obtain following results

SELECT pstatus,startdnt,enddnt,sum(Datediff(enddnt,startdnt)) as days  FROM status  GROUP by pstatus ORDER BY startdnt

Please note pstatus (b) may be repeat n number of times. Thanks in advance..

Answer 1

这个怎么样：

SELECT pstatus,min(startdnt) as StartDate,max(enddnt)  as EndDate ...