Related to joining three tables in sql

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hello all,
i have a problem related to joining three tables,
i have three tables -----
1. " sublevelcatalogue" in which i have column 'productTypeId','CatalogueId',
2. "finallevelcatalogue" in which i have column 'productTypeId' , 'productId' , 'productname'

3. "imagemaster" in which i have column 'imageId','imagepath','productId'

there are multiple image on one 'productId' and i want to select only first image for all product... I AM USING SQL DATABASE
how to join these tables,,,,give suggetions....thnx in advance

Posted 15-Jan-13 23:51pm

GDdixit

Updated 15-Jan-13 23:52pm

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rizwan muhammed khan gouri · Answer 1 · 2013-01-16T00:19:00

Hello

You Want to Result Like That:-
productId,productTypeId,CatalogueId,imageId,imagepath So Simply You Can Use

SQL

SELECT f.productId,f.productTypeId,CatalogueId,imageId,imagepath 
 FROM finallevelcatalogue f
INNER JOIN imagemaster ON f.productId = imagemaster.productId
INNER JOIN
(
   SELECT Top 1 ImageID, imagepath ,productId FROM imagemaster where productId=f.productId 
  
) tab ON f.productId= tab.productId

It Will Give You ONe Recore Associated To PRoduct Id I Hope Your Problem Will Solve IF not Give me Your Review

__TR__ · Answer 2 · 2013-01-15T23:58:00

Try the below query to get the first image for each ProductID

SQL

SELECT * FROM finallevelcatalogue FLC
INNER JOIN imagemaster IM ON FLC.productId = IM.productId
INNER JOIN
(
   SELECT MIN(ImageID) AS ImageID, productId FROM imagemaster
   GROUP BY productId  
) T ON IM.ImageID = T.ImageID

Related to joining three tables in sql

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