How to get a single record from two tables related by id

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SQL

select JobAds.AdID, JobAds.Title, JobAds.Description, JobAds.Date, AdPhotos.PhotoName,
State.StateName, City.CityName, SubCategory.Name, JobAds.Date
from State,City,SellerDetails,JobAds, AdPhotos ,SubCategory
where State.StateID = SellerDetails.StateID
and City.CityID = SellerDetails.CityID
and JobAds.SellerID = SellerDetails.SellerID
and JobAds.AdID = AdPhotos.AdID
and JobAds.SubCategoryID = SubCategory.SubCategoryID
order by JobAds.Date desc

in above query,in AdPhotos table, i have columns--
AdID PhotoName
1 photo1.jpg
1 photo2.jpg
1 photo3.jpg
2 photo4.jpg
As you can see for AdID 1 i have 3 photos but i want only the first photo for an AdID using above in above query.

Please help me out quckly,otherwise i'll lose my job

Posted 7-Jun-14 1:53am

ashutoshrambhal

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[no name] 7-Jun-14 7:59am

"help me out quckly,otherwise i'll lose my job", you would think that after 3 years, you would have figured out how the site works.

3 solutions

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DamithSL · Answer 1 · 2014-06-07T02:08:00

Solution 2

You can use group by id and then take the first item in each group. Check below answers
so q1
[^]
so q2[^]

Posted 7-Jun-14 2:08am

DamithSL

Peter Leow · Answer 2 · 2014-06-07T02:24:00

Solution 3

Add this before the order by clause:

SQL

and AdPhotos.PhotoName in
(select top 1 PhotoName from AdPhotos where AdID = JobAds.AdID)

Hope that helps keep your job. Good luck.

Posted 7-Jun-14 2:24am

Peter Leow

AANIL DHAKAD · Answer 3 · 2014-06-07T03:09:00

Solution 4

u can use sub query

SQL

(select top 1 PhotoName from AdPhoto Where AddId=JobAds.AdID) as PhotoName

you can place this query place of AdPhotos.PhotoName

gud luck

Posted 7-Jun-14 3:09am

AANIL DHAKAD

Updated 7-Jun-14 3:58am

v2