Inner join more than 2 tables in a single database - sql

i want to innerjoin more than 3 tables in one select query in one database all of them are having rm_id as a common column but i want to display the rows of all tables in one sql query is it possible if it is then i would hearly request u to provide some code
select * from
bk_det inner join
bk_rep inner join
bk_sec inner join
mut_det inner join
rm_det inner join
soil_det
on
bk_det.rm_id = bk_rep.rm_id = bk_sec.rm_id = mut_det.rm_id = rm_det.rm_id = soil_det.rm_id

You need an on clause for each inner join. e.g.
select * from a
inner join b on a.id = b.id
inner join c on b.id = c.id

You are missing the ON clause for each join:
select *
from bk_det
inner join bk_rep
on bk_det.rm_id = bk_rep.rm_id
inner join bk_sec
on bk_rep.rm_id = bk_sec.rm_id
inner join mut_det
on bk_sec.rm_id = mut_det.rm_id
inner join rm_det
on mut_det.rm_id = rm_det.rm_id
inner join soil_det
on rm_det.rm_id = soil_det.rm_id
Note: you will have to check the join condition column names since I do not know your table structure
If you need help with learning join syntax, here is a great visual explanation of joins.
Since you are using an INNER JOIN this will return records if the rm_id exists in each table.
You might need to use a LEFT JOIN:
select *
from bk_det
left join bk_rep
on bk_det.rm_id = bk_rep.rm_id
left join bk_sec
on bk_rep.rm_id = bk_sec.rm_id
left join mut_det
on bk_sec.rm_id = mut_det.rm_id
left join rm_det
on mut_det.rm_id = rm_det.rm_id
left join soil_det
on rm_det.rm_id = soil_det.rm_id

Related

Best Join Strategy/Indexes for SQL Server

What is the best join strategy/indexes for this query:
SELECT
kwk.*, an.AuftragDatum, an.AbgabeDatum, an.BezahltDatum, an.AuftragStatus
FROM
KundenWerbenKunden kwk
INNER JOIN
Auftrag an ON an.AuftragNummer = kwk.AuftragNummer
WHERE
kwk.Deleted = 0
Table KundenWerbenKunden has 103950 rows with 103646 Deleted = 0 ones.
Table Auftrag has 3826552 rows.
In my real query I make some more joins:
INNER JOIN
Filiale fn WITH (NOLOCK) ON an.FilialeID = fn.FilialeID
INNER JOIN
Kunde kn ON an.KundeID = kn.KundeID
OUTER APPLY
(SELECT DISTINCT KSKNr
FROM KdZuordnung
WHERE KundeID = kn.KundeID) zn
LEFT JOIN
Anrede ann WITH (NOLOCK) ON kn.Anrede = ann.Anrede
INNER JOIN
AuftragArt aa WITH (NOLOCK) ON an.AuftragArtID = aa.AuftragArtID
INNER JOIN
AuftragGrund ag WITH (NOLOCK) ON an.AuftragGrundID = ag.AuftragGrundID
INNER JOIN
AuftragType at WITH (NOLOCK) ON an.AuftragTypeID = at.AuftragTypeID
For this query:
SELECT *
FROM KundenWerbenKunden kwk INNER JOIN
Auftrag an
ON an.AuftragNummer = kwk.AuftragNummer
WHERE kwk.Geloescht = 0;
And not knowing anything about the distribution of Geloescht, I would first try indexes on KundenWerbenKunden(Geloescht, AuftragNummer) and Auftrag(AuftragNummer).

SQL Case statement with multi left outer joins

Is it possible to do case statements and to left outer joins like I am doing below? I put comments on what I am trying to achieve.
SELECT
eventGame.Id,
eventGame.[Type] AS GameType
FROM GrassrootsHoops.EventGame eventGame
LEFT OUTER JOIN (SELECT
divisionGameTeamResult.Id,
divisionGameTeamResult.GameId,
COALESCE(divisionPool.Name, divisionTeamPoolPoolBracket.Name) AS DivisionPoolName
FROM GrassrootsHoops.DivisionGameTeamResult divisionGameTeamResult
LEFT OUTER JOIN
-- CASE eventGame.[Type] = 1 THEN
GrassrootsHoops.DivisionTeamPoolGame divisionTeamPoolGame
ON divisionTeamPoolGame.Id = divisionGameTeamResult.Id
LEFT OUTER JOIN GrassrootsHoopS.DivisionTeamPool divisionTeamPool
ON divisionTeamPool.Id = divisionTeamPoolGame.DivisionTeamPoolId
LEFT OUTER JOIN GrassrootsHoops.DivisionPool divisionPool
ON divisionPool.Id = divisionTeamPool.DivisionPoolId
LEFT OUTER JOIN GrassrootsHoops.DivisionPoolSettings divisionPoolSettings
ON divisionPool.Id = divisionPoolSettings.Id
LEFT OUTER JOIN GrassrootsHoops.DivisionTeam divisionTeam
ON divisionTeam.Id = divisionTeamPool.DivisionTeamId
LEFT OUTER JOIN GrassrootsHoops.Team team
ON team.Id = divisionTeam.Id
LEFT OUTER JOIN
-- CASE eventGame.[Type] = 2 THEN
GrassrootsHoops.DivisionBracketParticipant divisionBracketGameParticipant
ON divisionBracketGameParticipant.DivisionGameTeamResultId = divisionGameTeamResult.Id
LEFT OUTER JOIN GrassrootsHoops.DivisionBracketParticipantPart divisionBracketParticipantPart
ON divisionBracketParticipantPart.Id = divisionBracketGameParticipant.DivisionBracketParticipantPartId
LEFT OUTER JOIN GrassrootsHoops.DivisionBracketParticipantTeam divisionBracketGameParticipantTeam
ON divisionBracketGameParticipantTeam.Id = divisionBracketGameParticipant.Id
LEFT OUTER JOIN GrassrootsHoops.DivisionTeam divisionTeamBracket
ON divisionTeamBracket.Id = divisionBracketGameParticipantTeam.DivisionTeamId
LEFT OUTER JOIN GrassrootsHoops.Team teamBracket
ON teamBracket.Id = divisionTeamBracket.Id
LEFT OUTER JOIN GrassrootsHoops.DivisionBracketParticipantBracket divisionBracketParticipantBracket
ON divisionBracketParticipantBracket.Id = divisionBracketGameParticipant.Id
LEFT OUTER JOIN GrassrootsHoops.DivisionBracket divisionBracketParticipantBracketBracket
ON divisionBracketParticipantBracketBracket.Id = divisionBracketParticipantBracket.DivisionBracketId
LEFT OUTER JOIN GrassrootsHoops.DivisionBracketParticipantPool divisionBracketGameParticipantPool
ON divisionBracketGameParticipantPool.Id = divisionBracketGameParticipant.Id
LEFT OUTER JOIN GrassrootsHoops.DivisionPool divisionPoolBracket
ON divisionPoolBracket.Id = divisionBracketGameParticipantPool.DivisionPoolId
LEFT OUTER JOIN GrassrootsHoops.DivisionBracketParticipantTeamPool divisionBracketGameParticipantTeamPool
ON divisionBracketGameParticipantTeamPool.Id = divisionBracketGameParticipant.Id
LEFT OUTER JOIN GrassrootsHoops.DivisionTeamPool divisionTeamPoolBracket
ON divisionTeamPoolBracket.Id = divisionBracketGameParticipantTeamPool.DivisionTeamPoolId
LEFT OUTER JOIN GrassrootsHoops.DivisionPool divisionTeamPoolPoolBracket
ON divisionTeamPoolPoolBracket.Id = divisionTeamPoolBracket.DivisionPoolId
LEFT OUTER JOIN GrassrootsHoops.DivisionTeam divisionTeamPoolTeamBracket
ON divisionTeamPoolTeamBracket.Id = divisionTeamPoolBracket.DivisionTeamId
LEFT OUTER JOIN GrassrootsHoops.Team teamPoolTeamBracket
ON teamPoolTeamBracket.Id = divisionTeamPoolTeamBracket.Id
WHERE divisionGameTeamResult.HomeTeam = 1) homeTeam
ON homeTeam.GameId = eventGame.GameId
You can't do case statements with outer joins. I think you can do what you want, though by using a UNION. Here's an example using a simpler schema where we are doing two separate joins based on the type of game.
SELECT
Game.Id,
PoolResult.Score
FROM
Game
JOIN PoolResult
ON PoolResult.GameId = Game.Id
WHERE
Game.GameType = 1
UNION
SELECT
Game.Id,
BracketResult.Score
FROM
Game
JOIN BracketResult
ON BracketResult.GameId = Game.Id
WHERE
Game.GameType = 2
(Here's a working version at SQL Fiddle)
For your query, you just want to write two completely separate queries one for each type of game. Once you have that working for each separate query, just stick a UNION in between them and the results will be concatenated together. Here's your query modified to use a UNION. I don't have an easy way to check it for errors, so there's probably some minor errors
SELECT
divisionGameTeamResult.Id,
eventGame.[Type] AS GameType
FROM
GrassrootsHoops.EventGame eventGame
JOIN GrassrootsHoops.DivisionGameTeamResult divisionGameTeamResult
ON (divisionGameTeamResult.GameId = eventGame.GameId
JOIN GrassrootsHoops.DivisionTeamPoolGame divisionTeamPoolGame
ON divisionTeamPoolGame.Id = divisionGameTeamResult.Id
JOIN GrassrootsHoopS.DivisionTeamPool divisionTeamPool
ON divisionTeamPool.Id = divisionTeamPoolGame.DivisionTeamPoolId
JOIN GrassrootsHoops.DivisionPool divisionPool
ON divisionPool.Id = divisionTeamPool.DivisionPoolId
JOIN GrassrootsHoops.DivisionPoolSettings divisionPoolSettings
ON divisionPool.Id = divisionPoolSettings.Id
JOIN GrassrootsHoops.DivisionTeam divisionTeam
ON divisionTeam.Id = divisionTeamPool.DivisionTeamId
JOIN GrassrootsHoops.Team team
ON team.Id = divisionTeam.Id
WHERE
divisionGameTeamResult.HomeTeam = 1
AND
eventGame.[Type] = 1
UNION
SELECT
divisionGameTeamResult.Id,
eventGame.[Type] AS GameType
FROM
GrassrootsHoops.EventGame eventGame
JOIN GrassrootsHoops.DivisionGameTeamResult divisionGameTeamResult
ON (divisionGameTeamResult.GameId = eventGame.GameId)
JOIN GrassrootsHoops.DivisionBracketParticipant divisionBracketGameParticipant
ON divisionBracketGameParticipant.DivisionGameTeamResultId = divisionGameTeamResult.Id
JOIN GrassrootsHoops.DivisionBracketParticipantPart divisionBracketParticipantPart
ON divisionBracketParticipantPart.Id = divisionBracketGameParticipant.DivisionBracketParticipantPartId
JOIN GrassrootsHoops.DivisionBracketParticipantTeam divisionBracketGameParticipantTeam
ON divisionBracketGameParticipantTeam.Id = divisionBracketGameParticipant.Id
JOIN GrassrootsHoops.DivisionTeam divisionTeamBracket
ON divisionTeamBracket.Id = divisionBracketGameParticipantTeam.DivisionTeamId
JOIN GrassrootsHoops.Team teamBracket
ON teamBracket.Id = divisionTeamBracket.Id
JOIN GrassrootsHoops.DivisionBracketParticipantBracket divisionBracketParticipantBracket
ON divisionBracketParticipantBracket.Id = divisionBracketGameParticipant.Id
JOIN GrassrootsHoops.DivisionBracket divisionBracketParticipantBracketBracket
ON divisionBracketParticipantBracketBracket.Id = divisionBracketParticipantBracket.DivisionBracketId
JOIN GrassrootsHoops.DivisionBracketParticipantPool divisionBracketGameParticipantPool
ON divisionBracketGameParticipantPool.Id = divisionBracketGameParticipant.Id
JOIN GrassrootsHoops.DivisionPool divisionPoolBracket
ON divisionPoolBracket.Id = divisionBracketGameParticipantPool.DivisionPoolId
JOIN GrassrootsHoops.DivisionBracketParticipantTeamPool divisionBracketGameParticipantTeamPool
ON divisionBracketGameParticipantTeamPool.Id = divisionBracketGameParticipant.Id
JOIN GrassrootsHoops.DivisionTeamPool divisionTeamPoolBracket
ON divisionTeamPoolBracket.Id = divisionBracketGameParticipantTeamPool.DivisionTeamPoolId
JOIN GrassrootsHoops.DivisionPool divisionTeamPoolPoolBracket
ON divisionTeamPoolPoolBracket.Id = divisionTeamPoolBracket.DivisionPoolId
JOIN GrassrootsHoops.DivisionTeam divisionTeamPoolTeamBracket
ON divisionTeamPoolTeamBracket.Id = divisionTeamPoolBracket.DivisionTeamId
JOIN GrassrootsHoops.Team teamPoolTeamBracket
ON teamPoolTeamBracket.Id = divisionTeamPoolTeamBracket.Id
WHERE
divisionGameTeamResult.HomeTeam = 1
AND
eventGame.[Type] = 1

How can I avoid using the NOT IN and the SUBSELECT in the following query

How can I avoid using the NOT IN subselect in this query and also avoid the subselect ?
select idTipoDocumento,idDocumentoTarea
from ArchivosTarea as a
inner join Tarea as b on a.idEstadoTarea=b.idTarea
where b.idTarea = 160
and idDocumentoTarea not in (select idDocumentoTarea
from ArchivosTarea as a
inner join tiposArchivos as b on a.idTipoDocumento = b.idTipoArchivo
inner join documentoSolicitud as c on b.idTipoArchivo = c.Id_tipo_archivo
inner join tarea as d on a.idEstadoTarea=d.idTarea
where d.idTarea = 160)
I know that probably a LEFT JOIN or something like that should do the trick but I have tried that and it does not provide me the same results as this query.
The actual idea is to avoid the SUBSELECT (of the WHERE) and also avoid the NOT IN.
Using left join:
Select A.idTipoDocumento,A.idDocumentoTarea from
(select idTipoDocumento,idDocumentoTarea
from ArchivosTarea as a
inner join Tarea as b on a.idEstadoTarea=b.idTarea
where b.idTarea = 160)A
left outer join
(select idDocumentoTarea from ArchivosTarea as a
inner join tiposArchivos as b on a.idTipoDocumento = b.idTipoArchivo
inner join documentoSolicitud as c on b.idTipoArchivo = c.Id_tipo_archivo
inner join tarea as d on a.idEstadoTarea=d.idTarea
where d.idTarea = 160)B
on A.idDocumentoTarea=B.idDocumentoTarea
where B.idDocumentoTarea is null
It happens that SQL Server has antijoin aka semiminus aka EXCEPTION JOIN. It return rows in the left argument that don't match when joined by the right.
select idTipoDocumento,idDocumentoTarea
from ArchivosTarea as a
inner join Tarea as b on a.idEstadoTarea=b.idTarea
and b.idTarea = 160
exception join (
select idDocumentoTarea
from ArchivosTarea as a
inner join tiposArchivos as b on a.idTipoDocumento = b.idTipoArchivo
inner join documentoSolicitud as c on b.idTipoArchivo = c.Id_tipo_archivo
inner join tarea as d on a.idEstadoTarea=d.idTarea
where d.idTarea = 160)
You can do this with LEFT JOIN. Also using NOT EXISTS.

Problems with Sql query join

I am struggling with a sql query. I want to include the sum from an other table.
SELECT DISTINCT
tblProject.CompanyID,
tblCompany.Name,
tblCompany.AvtalsKund,
tblProject.ProjectName,
tblProject.Estimate,
tblProject.ProjectStart,
tblProject.Deadline,
CONVERT(VARCHAR(8), tblProject.Deadline, 2) AS [YY.MM.DD] ,
tblProject.PreOffered,
tblProject.ProjectType,
tblProjectType.ProjType,
tblOrdered.FirstName + + tblOrdered.LastName as OrderedFullName,
tblProject.ProjectID,
tblProject.RegDate,
tblProject.ProjectNr,
tblProject.ProjectNr
FROM tblProject
INNER JOIN tblCompany ON tblProject.CompanyID = tblCompany.CompanyID
---> INNER JOIN (SELECT tblTimeRecord.ProjectID, SUM(CONVERT(float,replace([Hours],',','') ))
FROM tblTimeRecord group by tblTimeRecord.ProjectID) as b
ON b.ProjectID = tblProject.ProjectID
INNER JOIN tblTimeRecord ON tblTimeRecord.ProjectID = tblProject.ProjectID
INNER JOIN tblProjectType ON tblProject.ProjectType = tblProjectType.ProjTypeID
LEFT OUTER JOIN tblOrdered ON tblProject.OrderedBy = tblOrdered.OrderedID
LEFT OUTER JOIN tblRel_WorkerProject ON tblProject.ProjectID = tblRel_WorkerProject.ProjectID
LEFT OUTER JOIN tblPerson ON tblPerson.PersonID = tblRel_WorkerProject.WorkerID
LEFT OUTER JOIN tblRel_StatusWorkerProject ON tblProject.ProjectID = tblRel_StatusWorkerProject.ProjectID
I want to include this sum-block from table tblTimeRecord.
I get a sum of timerapports with this code
SELECT tblTimeRecord.ProjectID,
SUM(CONVERT(float,replace([Hours],',','') ))
FROM tblTimeRecord where ProjectID=1312 group by tblTimeRecord.ProjectID
Guess i do it in join?
Got it working with this.
SELECT DISTINCT
tblProject.ProjectID,
Summa,
tblProject.CompanyID,
tblCompany.Name,
tblCompany.AvtalsKund,
tblProject.ProjectName,
tblProject.Estimate,
tblProject.ProjectStart,
tblProject.Deadline,
CONVERT(VARCHAR(8), tblProject.Deadline, 2) AS [YY.MM.DD] ,
tblProject.PreOffered,
tblProject.ProjectType,
tblProjectType.ProjType,
tblOrdered.FirstName + + tblOrdered.LastName as OrderedFullName,
tblProject.ProjectID,
tblProject.RegDate,
tblProject.ProjectNr,
tblProject.ProjectNr
FROM tblProject
INNER JOIN tblCompany ON tblProject.CompanyID = tblCompany.CompanyID
INNER JOIN (SELECT tblTimeRecord.ProjectID, SUM(CONVERT(float,replace([Hours],',','') )) as Summa FROM tblTimeRecord group by tblTimeRecord.ProjectID) as b
ON b.ProjectID = tblProject.ProjectID
INNER JOIN tblTimeRecord ON tblTimeRecord.ProjectID = tblProject.ProjectID
INNER JOIN tblProjectType ON tblProject.ProjectType = tblProjectType.ProjTypeID
LEFT OUTER JOIN tblOrdered ON tblProject.OrderedBy = tblOrdered.OrderedID
LEFT OUTER JOIN tblRel_WorkerProject ON tblProject.ProjectID = tblRel_WorkerProject.ProjectID
LEFT OUTER JOIN tblPerson ON tblPerson.PersonID = tblRel_WorkerProject.WorkerID
LEFT OUTER JOIN tblRel_StatusWorkerProject ON tblProject.ProjectID = tblRel_StatusWorkerProject.ProjectID
There are two ways to do this.
You can use a WITH clause to create the aggregate table then join this to the main query.
Or do it this way:
SELECT m.BLAH
,m.FOO
,x.AMOUNT
FROM MAINTABLE m
LEFT JOIN
(
SELECT FOO
,SUM(AMOUNT) as AMOUNT
FROM OTHERTABLE
GROUP BY FOO
) x
ON m.FOO = x.FOO
I prefer the second way.

Sql problem with my query

SELECT
dbo.pi_employee.emp_firstname, dbo.pi_employee.emp_lastname,
dbo.pi_employee.emp_no, dbo.pi_employee.emp_cnic,
dbo.pi_employee.emp_currentadd, dbo.pi_employee.emp_cellph,
dbo.pi_employee.emp_birthday, pi_jobtitle_1.jobtitle_name,
dbo.pi_employee.emp_joindate, dbo.pi_education.edu_degree,
dbo.pi_education.edu_year, dbo.pi_employee.emp_pension,
dbo.pi_employee.emp_age, dbo.pi_employee.emp_service,
dbo.pi_employee.emp_terminate, dbo.pi_employee.emp_termdate,
dbo.pi_employee.emp_basicofpay, dbo.pi_employee.emp_terminationreason,
dbo.pi_employee.emp_terminationdate, dbo.pi_employee.emp_status,
dbo.pi_employee.emp_gender, dbo.pi_employee.emp_maritalstatus,
dbo.pi_employee.emp_paymethod, dbo.pi_employee.emp_leaveentitle,
dbo.pi_employee.emp_confirmation, dbo.pi_employee.emp_title,
dbo.pi_employee.emp_basicamount, dbo.pi_salgrade.salgrade_name,
dbo.tbl_emp_status.StatusName, dbo.pi_skills.skill_type,
dbo.pi_location.loc_name, pi_location_1.loc_name AS wcity,
dbo.pi_jobtitlehist.jthSaleGradetype, dbo.pi_workexp.exp_serperiod,
dbo.pi_employee.emp_domicile, dbo.pi_skills.skill_type AS Skill,
dbo.pi_skills.skill_exp, dbo.pi_education.edu_degree AS Degree,
dbo.pi_education.edu_uni, dbo.pi_education.edu_distinction,
dbo.pi_lochistory.lhstart_date, dbo.pi_lochistory.lhend_date
FROM
dbo.pi_location
RIGHT OUTER JOIN
dbo.pi_workexp
RIGHT OUTER JOIN
dbo.pi_employee ON dbo.pi_workexp.emp_no = dbo.pi_employee.emp_no
LEFT OUTER JOIN
dbo.pi_jobtitlehist ON dbo.pi_employee.emp_no = dbo.pi_jobtitlehist.emp_no ON
dbo.pi_location.loc_id = dbo.pi_employee.emp_location_id
LEFT OUTER JOIN
dbo.pi_salgrade ON dbo.pi_employee.emp_salgrade_id = dbo.pi_salgrade.salgrade_id
LEFT OUTER JOIN
dbo.tbl_emp_status ON dbo.pi_employee.emp_status = dbo.tbl_emp_status.StatusID
LEFT OUTER JOIN
dbo.pi_skills ON dbo.pi_employee.emp_no = dbo.pi_skills.emp_no
LEFT OUTER JOIN
dbo.pi_location AS pi_location_1
INNER JOIN
dbo.pi_lochistory ON pi_location_1.loc_id = dbo.pi_lochistory.loc_id ON dbo.pi_employee.emp_no = dbo.pi_lochistory.emp_no
LEFT OUTER JOIN
dbo.pi_education ON dbo.pi_employee.emp_no = dbo.pi_education.emp_no
LEFT OUTER JOIN
dbo.pi_jobtitle AS pi_jobtitle_1 ON dbo.pi_employee.emp_jobtitle_id = pi_jobtitle_1.jobtitle_id
I am writing sql query to implement different scenario, but problem is that it gives repeated values. I write distinct and order by too but result was same can any one help me to solve this issue.
EDIT – The same query with table names aliased:
SELECT
em.emp_firstname, em.emp_lastname,
em.emp_no, em.emp_cnic,
em.emp_currentadd, em.emp_cellph,
em.emp_birthday, jt.jobtitle_name,
em.emp_joindate, ed.edu_degree,
ed.edu_year, em.emp_pension,
em.emp_age, em.emp_service,
em.emp_terminate, em.emp_termdate,
em.emp_basicofpay, em.emp_terminationreason,
em.emp_terminationdate, em.emp_status,
em.emp_gender, em.emp_maritalstatus,
em.emp_paymethod, em.emp_leaveentitle,
em.emp_confirmation, em.emp_title,
em.emp_basicamount, sg.salgrade_name,
es.StatusName, s.skill_type,
L.loc_name, L1.loc_name AS wcity,
jh.jthSaleGradetype, we.exp_serperiod,
em.emp_domicile, s.skill_type AS Skill,
s.skill_exp, ed.edu_degree AS Degree,
ed.edu_uni, ed.edu_distinction,
Lh.lhstart_date, Lh.lhend_date
FROM
dbo.pi_location AS L
RIGHT OUTER JOIN
dbo.pi_workexp AS we
RIGHT OUTER JOIN
dbo.pi_employee AS em ON we.emp_no = em.emp_no
LEFT OUTER JOIN
dbo.pi_jobtitlehist jh ON em.emp_no = jh.emp_no ON L.loc_id = em.emp_location_id
LEFT OUTER JOIN
dbo.pi_salgrade AS sg ON em.emp_salgrade_id = sg.salgrade_id
LEFT OUTER JOIN
dbo.tbl_emp_status AS es ON em.emp_status = es.StatusID
LEFT OUTER JOIN
dbo.pi_skills AS s ON em.emp_no = s.emp_no
LEFT OUTER JOIN
dbo.pi_location AS L1
INNER JOIN
dbo.pi_lochistory AS Lh ON L1.loc_id = Lh.loc_id ON em.emp_no = Lh.emp_no
LEFT OUTER JOIN
dbo.pi_education ed ON em.emp_no = ed.emp_no
LEFT OUTER JOIN
dbo.pi_jobtitle AS j ON em.emp_jobtitle_id = j.jobtitle_id
Yeah, since you're doing a crap ton of Cartesian products with those joins without on clauses, that will cause plenty of what seem like 'repeated values', but are really just the product of the two tables combining sets.