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List by Running Number

Author

Topic

hayashiryo
Starting Member

46 Posts

Posted - 2013-10-02 : 22:46:27

Hi all.

I need help with a query.

I trying to generate a list of running numbers from a table. However the field is in varchar format and there may be missing numbers inbetween. Please see the example below


EMP-TABLE
Emp#	Name
E1003	Matthew
E1004	Mark
E1007	Luke
E1009	John

Query I need to formulate.
I will input 1001 and 1010 as parameter.


Emp#	AssignedTo
1001
1002
1003	Mattherw
1004	Mark
1005	
1006	
1007	Luke
1008	
1009	John
1010

Thanks in advance.

khtan
In (Som, Ni, Yak)

17689 Posts

Posted - 2013-10-02 : 23:44:48

[code]declare @emp_start int,
@emp_end int

select @emp_start = 1001,
@emp_end = 1010

; with emp_no as
(
select no = @emp_start, emp_no = 'E' + convert(varchar(4), @emp_start)
union all
select no = no + 1, emp_no = 'E' + convert(varchar(4), no + 1)
from emp_no
where no < @emp_end
)
select n.no, AssignedTo = e.emp_name
from emp_no n
left join emp e on n.emp_no = e.emp_no
[/code]

KH
[spoiler]Time is always against us[/spoiler]

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