SQL query to one column od database into two columns


I have a empskill Table which has 3 Columns (1) EmpID (2) SkillTypeID and (3) CourseID.

Now  SkillTypeID column has data 1 or 2 .......in here 1 means Primary Skill and 2 means Secondary Skill.

CourseID will reflect the ID's of subjects like c#,SQL,etc 

I need a Query which will count the number of primary skilled and number of secondary skilled persons based on subject and will display as follows


 21                        2

22                        1

23                        4

24                        1

IN SHORT:  I want to count the number of particular skill types and display them against their respective course id. You need to display one column data of database into two columns as output.

 Hope you people will help me in this regard.

Thanks in advance


3/27/2008 11:59:23 AM
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select case courseid when 1 then 'Primary Skill'  when 2 then 'Secondary Skill' else 'xxxSkill' end,count(*) from tablename group by courseid


Please click Mark As Answer if this helped in solving your problem.

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3/27/2008 1:49:13 PM

select CourseId,(select count(*) from Table1 a where a.CourSeId = r.CourSeId and SkillType = 1) as primaryskilled,
(select count(*) from Table1 a where a.CourSeId = r.CourSeId and SkillType = 2) as secondaryskilled
from Table1 r
group by CourseId

Give a man a fish and you feed him for a day. Teach a man to fish and you feed him forever.
3/27/2008 2:14:48 PM

Below query should resolve your problem.....

SELECT CourseID, COUNT(SkillTypeID) SkillCount, 'Primary' SkillType
	FROM EmpSkill
GROUP BY CourseID, SkillTypeID
HAVING SkillTypeID = 1
SELECT CourseID, COUNT(SkillTypeID) SkillCount, 'Secondary' SkillType
	FROM EmpSkill
GROUP BY CourseID, SkillTypeID
HAVING SkillTypeID = 2

Please, let me know, if this is not you are exactly looking for.

3/27/2008 2:54:44 PM

SELECT SUM(CASE WHEN SkillTypeID=1 THEN 1 ELSE 0 END ) as PrimarySkillTypeCount,

SUM(CASE WHEN SkillTypeID=2 THEN 1 ELSE 0 END ) as SecondarySkillTypeCount, CourseID

FROM empskill



3/27/2008 3:43:27 PM

 thanks a lot limno your query is working great....keep it up


have a nice day


3/31/2008 6:01:06 AM

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