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How to replace non D values in column with blank

Posted on 2013-05-15
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Last Modified: 2013-05-16
I have this query for joining.
There is field ems, it has numerical values, E or D.
Now how to modify this query where in
if for any record ems is number i,e numeric value or 'E'  values it should occur as blank.
and for ems ='D' it should be shown as 'D'

select a1.*,b.photo,b.subjectcode,b.subjectname,b.ems  from (select institute,cb,semester,UID,sname,
smobile ,isnull(fmobile,'') as 'fmobile',isnull(fname,'')  as fname,isnull(mname,'') as 'mname',
centreno as 'Centreno',centre as 'Centre' from custudents  a where cb='MBA' and eflag=1
group by institute,cb,semester,UID,sname,smobile ,isnull(fmobile,''),
isnull(fname,'')  ,isnull(mname,'') ,
centreno ,centre)
as a1,mstmassstudents b
where a1.uid=b.uid and a1.cb='MBA'
order by a1.uid,b.subjectcode
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Question by:searchsanjaysharma
6 Comments
 
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Accepted Solution

by:
santoshmotwani earned 999 total points
ID: 39170432
select a1.*,b.photo,b.subjectcode,b.subjectname,
case b.ems
when 'D' then 'D'
else ' '
  from (select institute,cb,semester,UID,sname,
smobile ,isnull(fmobile,'') as 'fmobile',isnull(fname,'')  as fname,isnull(mname,'') as 'mname',
centreno as 'Centreno',centre as 'Centre' from custudents  a where cb='MBA' and eflag=1
group by institute,cb,semester,UID,sname,smobile ,isnull(fmobile,''),
isnull(fname,'')  ,isnull(mname,'') ,
centreno ,centre)
as a1,mstmassstudents b
where a1.uid=b.uid and a1.cb='MBA'
order by a1.uid,b.subjectcode
0
 
LVL 25

Assisted Solution

by:chaau
chaau earned 501 total points
ID: 39170433
Replace d.ems in your query with this:

CASE WHEN d.ems = 'D' THEN 'D' ELSE '' END

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0
 
LVL 16

Assisted Solution

by:santoshmotwani
santoshmotwani earned 999 total points
ID: 39170438
select a1.*,b.photo,b.subjectcode,b.subjectname,
case b.ems
when 'D' then 'D'
else ' '
end b.ems
  from (select institute,cb,semester,UID,sname,
smobile ,isnull(fmobile,'') as 'fmobile',isnull(fname,'')  as fname,isnull(mname,'') as 'mname',
centreno as 'Centreno',centre as 'Centre' from custudents  a where cb='MBA' and eflag=1
group by institute,cb,semester,UID,sname,smobile ,isnull(fmobile,''),
isnull(fname,'')  ,isnull(mname,'') ,
centreno ,centre)
as a1,mstmassstudents b
where a1.uid=b.uid and a1.cb='MBA' 
order by a1.uid,b.subjectcode

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LVL 49

Expert Comment

by:PortletPaul
ID: 39170467
there's just an END missing in your original query in that case expression as indicated here
0
 
LVL 16

Expert Comment

by:santoshmotwani
ID: 39170480
yep !! i fixed it and did a repost

Ta
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Author Closing Comment

by:searchsanjaysharma
ID: 39170782
tx
0

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