Answer Posted / manoj

How about this, a single dynamic query:

create table cities (CITYID int, ContinuationID int,
CITYNAME varchar(50))

insert into cities
select 1, 1, 'SAN' UNION
select 1, 2, 'DIEGO' UNION
select 2, 1, 'SAN' UNION
select 2, 2, 'FRANCISCO' UNION
select 3, 1, 'CHICAGO' UNION
select 4, 1, 'NEW' UNION
select 4, 2, 'YORK' UNION
select 4, 3, 'CITY' UNION
select 5, 1, 'CITY1' UNION
select 5, 2, 'CITY2' UNION
select 5, 3, 'CITY3' UNION
select 5, 4, 'CITY4' UNION
select 5, 5, 'CITY5'

select * from cities

select distinct CITYID,
case
when exists(select ContinuationID from cities
where CITYID = c.CITYID and ContinuationID=1)
then (select CITYNAME from cities
where CITYID = c.CITYID and ContinuationID=1)
else ''
end as name1,
case
when exists(select ContinuationID from cities
where CITYID = c.CITYID and ContinuationID=2)
then (select CITYNAME from cities
where CITYID = c.CITYID and ContinuationID=2)
else ''
end as name2,
case
when exists(select ContinuationID from cities
where CITYID = c.CITYID and ContinuationID=3)
then (select CITYNAME from cities
where CITYID = c.CITYID and ContinuationID=3)
else ''
end as name3,
case
when exists(select ContinuationID from cities
where CITYID = c.CITYID and ContinuationID=4)
then (select CITYNAME from cities
where CITYID = c.CITYID and ContinuationID=4)
else ''
end as name4,
case
when exists(select ContinuationID from cities
where CITYID = c.CITYID and ContinuationID=5)
then (select CITYNAME from cities
where CITYID = c.CITYID and ContinuationID=5)
else ''
end as name5
from cities c
where ContinuationID=1

drop table cities

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