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MySQL trim?

Posted on 2014-01-28
Medium Priority
Last Modified: 2014-01-29
I have a table with customer names, last & first are separate columns, In a number of instances, there is a blank space as the first character of the last name.

I'm doing a query like "SELECT * form customer order by lastname, firstname. Of course I get all the ones with blank spaces first.

Is there a function like trim where I can say something like "order by trim(lastname)..."?

Or what is the best way to do this?

Question by:Richard Korts
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Assisted Solution

ravikantninave earned 668 total points
ID: 39815881
SELECT RTRIM(LTRIM(' LastName')) AS LastName;

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LVL 60

Expert Comment

by:Kevin Cross
ID: 39816210
@ravikantninave, LTRIM() and RTRIM() are Microsoft SQL Server functions.  For MySQL, the function is TRIM() as snoyes_jw referenced.
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Expert Comment

ID: 39816214
Oh Yes! I didn't see it.  I thought it was Sql Server.
LVL 33

Expert Comment

ID: 39816227
MySQL also has LTRIM() and RTRIM().
LVL 60

Assisted Solution

by:Kevin Cross
Kevin Cross earned 664 total points
ID: 39816677
Good point!  I think with the single TRIM capability of MySQL, it is unnecessary to use the two in combination though.  However, it is good to note the SQL Server syntax will work, creating cross-platform compatibility.
LVL 111

Accepted Solution

Ray Paseur earned 668 total points
ID: 39818257
Maybe it would be worth sanitizing the data with a SELECT and UPDATE after trimming the fields.  Just a thought...

Going forward, PHP has a trim() function that will help you ensure that there is no whitespace padding in the data sent to the data base.

Author Closing Comment

by:Richard Korts
ID: 39818314
I did as Ray suggested; it was MUCH easier.

Actually, the data is being transferred from a MS Access database, I did the trim in php in the upload program.

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