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parsing cols in query

Posted on 2006-11-29
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Last Modified: 2006-11-29
Hello Experts,

Is there a away to write a query in mySQL to parse multiple cols into a single string  col?

like "SELECT (col1 + col2 + col3) aliasName from tbl"

Thank you
Zac
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Question by:sacul
3 Comments
 
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Expert Comment

by:snoyes_jw
ID: 18038561
That's it. Good practice suggests you always use the optional AS keyword to avoid confusion:
SELECT (col1 + col2 + col3) AS aliasName FROM tbl
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Accepted Solution

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VoteyDisciple earned 250 total points
ID: 18038677
Actually in MySQL the + operator will try to add the strings and come up with zero.

SELECT CONCAT(col1, col2, col3, 'literals can go in here too') AS aliasName FROM tbl;

... will do the concatenation.
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Author Comment

by:sacul
ID: 18039171
Perfect,

Thank you for the quick answer.
I guess the + sign is trying to do an addition of the strings over a concatenation.

Thank you,
Zac
0

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