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Query - General - Subselecting with WHERE clause from 2 tables?

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  #1  
Old June 8th, 2009, 10:26 AM
kmcamara kmcamara is offline
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Query - General - Subselecting with WHERE clause from 2 tables?
Hello.

I need to pull data from one table (`tr_ut4`) where the `Fiber ID` is also in two other tables (`afis` and `hvi`).

I have can get the data with two seperate queries, but I would like to have it done all at once. These are the two queries that work and will get my data:

SELECT * FROM `tr_ut4` WHERE `Fiber ID` = ANY (SELECT `Fiber ID` FROM `afis`)

SELECT * FROM `tr_ut4` WHERE `Fiber ID` = ANY (SELECT `Fiber ID` FROM `hvi`)

I'm usuing phpMyAdmin. I was trying to use AND to select from both tables, but I can't seem to get the sytax correct.

Help.
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Old June 8th, 2009, 11:41 AM
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you may be able to use a UNION, if MySQL supports it ... something like this
Code:
SELECT * FROM `tr_ut4` WHERE `Fiber ID` = ANY (SELECT `Fiber ID` FROM `afis` UNION ALL SELECT `Fiber ID` FROM `hvi`)
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Old June 9th, 2009, 03:44 PM
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mehere, with your suggested Union query, will selection from tr_ut4 occur if 'Fiber ID' in both 'afis' and 'hvi' OR either?
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Old June 9th, 2009, 07:28 PM
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either ... the union selects all the records from both tables.
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Old October 13th, 2009, 03:09 AM
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Re: Subselecting with where clause from two table.
Hi,

I hope that the below SQL query will be very useful for you...

Code:
Select * from tr_ut4 where fibreid in (select fibreid from hvi)
union
Select * from tr_ut4 where fibreid in (select fibreid from afis)


Thanks & Regards
SakthiMeenakshi.S
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