Question

I have a table that have sigh in and sign out value

**id   Date     Time   Status**
  01   1/02/12  8:10   Entry
  01   1/02/12  9:00   Exit
  01   1/02/12  9:10   entry
  01   1/02/12  17:00  Exit
  02   1/02/12  8:10   Entry
  02   1/02/12  9:00   Exit
  02   1/02/12  9:10   entry
  02   1/02/12  17:00  Exit
  **03   1/02/12  17:00  Exit**

I have to find out only min and max time of each id

Expected result

**id   Date     Entry     Exit  **
  01   1/02/12  8:10      17:00
  02   1/02/12  8:10      17:00

Please Help me

This code Works fine But incase one Entry is not added only exit is added then
i Want to display

id   Date     Entry Exit
---- -------- ----- -----
01   01/02/12 08:10 17:00
02   01/02/12 08:10 17:00
**03   01/02/12 Null  17:00**

Please help me
Thanks in advance

Answer 1

Something like this may work depending on data types used.

declare @T table
(
  id varchar(2),
  [Date] datetime,
  [Time] varchar(5),
  [Status] varchar(5)
)

insert into @T
select '01',   '1/02/12',  '8:10',   'Entry' union all
select '01',   '1/02/12',  '9:00',   'Exit' union all
select '01',   '1/02/12',  '9:10',   'entry' union all
select '01',   '1/02/12',  '17:00',  'Exit' union all
select '02',   '1/02/12',  '8:10',   'Entry' union all
select '02',   '1/02/12',  '9:00',   'Exit' union all
select '02',   '1/02/12',  '9:10',   'entry' union all
select '02',   '1/02/12',  '17:00',  'Exit'

select id,
       convert(varchar(8), [Date], 1) as [Date],
       convert(varchar(5), min([Time]), 108) as [Entry],
       convert(varchar(5), max([Time]), 108) as [Exit]
from
  (
    select id,
           [Date],
           cast([Time] as datetime) as [Time],
           row_number() over(partition by id order by [Date]+cast([Time] as datetime) asc) as rn1,
           row_number() over(partition by id order by [Date]+cast([Time] as datetime) desc) as rn2
    from @T
  ) as T
where T.rn1 = 1 or
      T.rn2 = 1
group by id, [Date]

Result:

id   Date     Entry Exit
---- -------- ----- -----
01   01/02/12 08:10 17:00
02   01/02/12 08:10 17:00