return duplicate records

[alex]

Hello experts,

I'm trying the run the following query with specific intentions.

I would like the query to return 5 results; i.e., 4 distinct and one
duplicate. I am only getting, however, 4 distinct records. I would
like the results from the '007' id to spit out twice.

I'm not using 'distinct,' and I've tried 'all.' I realize that I
could put my 5 employee id's in a table and do a left or right join; I
would like to avoid that, however. Any thoughts?

Select
Employee_last_name,
Employee_first_name

>From tbl_employee

Where employee_id in (
'009',
'008',
'007',
'007',
'006'
);

alex

[Steve Kass]

Alex,

There are a few solutions. Two are (might have typos, but you should be
able to get the idea):

select Employee_last_name, Employee_first_name
from tbl_employee
join (
select '009' as id union all
select '008' as id union all
select '007' as id union all
select '007' as id union all
select '006' as id
) as IDs
on IDs.id = tbl_employee.employee_id

or to make the specification of ids simpler:

declare @ids varchar(1000)
set @ids = '009008007007006'
declare @idlength int
set @idlength = 3

select Employee_last_name, Employee_first_name
from tbl_employee
join a_permanent_table_of_integers_from_0_to_whatever as Nums
on employee_id = substring(@ids,@idlength*n+1,@idlength)
and n < len(@ids)/@idlength
-- [n] is the column name for the permanent table and should
-- be that tables primary key

-- Steve Kass
-- Drew University
-- http://www.stevekass.com
alex wrote:

Hello experts,

I'm trying the run the following query with specific intentions.

I would like the query to return 5 results; i.e., 4 distinct and one
duplicate. I am only getting, however, 4 distinct records. I would
like the results from the '007' id to spit out twice.

I'm not using 'distinct,' and I've tried 'all.' I realize that I
could put my 5 employee id's in a table and do a left or right join; I
would like to avoid that, however. Any thoughts?

Select
Employee_last_name,
Employee_first_name

>>From tbl_employee

Where employee_id in (
'009',
'008',
'007',
'007',
'006'
);

alex

[--CELKO--]

>I would like the query to return 5 results; i.e., 4 distinct and one duplicate. <<

The easy way is a UNION, based on a guess about the DDL you did bother
to post and the uniquness of emp_id:

SELECT last_name, first_name
FROM Personnel
WHERE emp_id IN ('009', '008', '007', '006')
UNION
SELECT last_name, first_name
FROM Personnel
WHERE emp_id = '007'

[Erland Sommarskog]

--CELKO-- (jc*******@earthlink.net) writes:

>>I would like the query to return 5 results; i.e., 4 distinct and one

duplicate. <<

>
The easy way is a UNION, based on a guess about the DDL you did bother
to post and the uniquness of emp_id:

SELECT last_name, first_name
FROM Personnel
WHERE emp_id IN ('009', '008', '007', '006')
UNION
SELECT last_name, first_name
FROM Personnel
WHERE emp_id = '007'

Joe, I thought you knew SQL? This query will not return the results
that Alex was asking for.

Why is left as an exercise to the reader.
--
Erland Sommarskog, SQL Server MVP, es****@sommarskog.se

Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/pro...ads/books.mspx
Books Online for SQL Server 2000 at
http://www.microsoft.com/sql/prodinf...ons/books.mspx