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Exports Multiple MySQL Tables To CSV File

Posted on 2011-03-22
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Last Modified: 2012-05-11
I've found these queries...

http://www.electrictoolbox.com/mysql-export-data-csv/

http://ariejan.net/2008/11/27/export-csv-directly-from-mysql/

So I'm trying to use left join etc to build a query to export multiple tables.

What I need to state every column from every table with the SELECT rather than using select all * ?

Just I'm having some issues getting it working and want to clear some things up so I'm not on an impossible path.

Thanks for your help
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Question by:Ryan Bayne
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tygrus2 earned 125 total points
ID: 35196276
If you join tables then the common index fields will be repeated & renamed for each occurance. Use the tablename.fieldname references to explicitly list the fields to SELECT.

eg.
SELECT Order.OrderID, OrderLine.ProductID, OrderLine.Qty
INTO OUTFILE '/tmp/orderitems.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
ESCAPED BY '\\'
LINES TERMINATED BY '\n'
FROM Order LEFT JOIN OrderLine ON Order.OrderID=OrderLine.OrderID

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Example is a bad choice for LEFT join but you get the idea.
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Author Comment

by:Ryan Bayne
ID: 35197574
Yes so they would that had not entered my mind yet. This is for a Wordpress plugin. So I need to provide the user with a way to select the tables they want to export plus select the columns.

The problem I'm having must be syntax then because I've tried something like what your suggesting. At least I know I was on the right path that is all I wanted really, will just dump and execute some queries in the MySQL gui.

I must remember to check the users input for any duplicate index selections.

Thanks for clearing this up
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