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General SQL Query Question

Posted on 1998-12-09
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Last Modified: 2010-03-19
How does one pass a LIKE query to all the fields in a database?  For example, the following:
     SELECT * from Genetics WHERE Genetics.author LIKE '%smith%'
Returns records with "smith" in the authors field, but what if I wanted to search for "smith" in ALL the fields?
I tried
     SELECT * from Genetics WHERE Genetics.* LIKE '%smith%'
And it didn't work (yes, I'm new to SQL).

Any help would be appreciated.

Thanks,

Dave Stephens

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Question by:stepherd
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tschill120198 earned 150 total points
ID: 1092184
I would be surprised if there was a way to do it with just a single line of code...  it could be done using UNION.

Suppose the Genetics table had columns "author", "title", "description".  You could use something like the following:

select * Genetics where author like '%smith%'
union
select * Genetics where title like '%smith%'
union
select * Genetics where description like '%smith%'

If you don't know in advance what the columns are you could build the SQL dynamically.


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Author Comment

by:stepherd
ID: 1092185
Thanks for the input. Yeah, I thought this might be the case.  I am building the SQL dynamically using PERL, so it shouldn't be a problem to approach it as you suggest.
Never hurts to ask! Thanks.

--Dave Stephens

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