Extract a many columns through Join

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SQL-Server-2005

Table
1. Entity
EntityId Name
1 Rajni
2 neha

2. License

LicenseId EntityId LicenseType
1. 1 I
2. 2 F

3. EntityAddress

AddressId Entity AddressType City State
1 1 MLG Ggn Haryana
2 1 BUS HHN Up
3 2 MLG XY kl
4 2 BUS GH HJ

Now, I want to extract City n state on basis of EntityId n LicenseType
if LicenseType "I",THEN AddressType "MLG" city n state come
if LicenseType "F",THEN AddressType "BUS" city n state come

Posted 28-Sep-11 23:36pm

Rajni from delhi

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sravani.v · Answer 1 · 2011-09-28T23:58:00

Please try this Query.
As far as I understood ur question, this is the query what u r asking.
sorry if misunderstood.if not please give me some more clarity.

SELECT EA.City,EA.State,EA.AddressType FROM EntityAddress EA INNER JOIN License L ON EA.EntityId=L.EntityId WHERE L.LicenseType="GivenLicenseType"

sachin10d · Answer 2 · 2011-09-29T00:43:00

Solution 2

Try this.

SQL

select L.LicenseType, EA.Address,EA.city,EA.sate from Entity E 
left outer join License L on E.EntityId = L.EntityId
left outer join EntityAddress EA on EA.Entity = L.EntityId
where E.EntityId = <entityid> and L.LicenseType = '<licensetype>'</licensetype></entityid>

Posted 29-Sep-11 0:43am

sachin10d

FastEvo8 · Answer 3 · 2011-09-29T02:50:00

Solution 3

select L.LicenseType, EA.Address,EA.city,EA.sate
from Entity E
left outer join License L
on E.EntityId = L.EntityId
left outer join EntityAddress EA
on EA.Entity = L.EntityId
WHERE (L.licenseType='I' AND EA.AddressType='MLG')
OR (L.licenseType='F' AND EA.AddressType='BUS')

Posted 29-Sep-11 2:50am

FastEvo8