Hi,
I'm trying to create a SQL query to output a Csv file for another application. The existing table is a list of line item purchases. So, if a single customer buys 3 items he would be listed in the table three times, once with each item.
How can I create the query to that a customer would only be listed once and each item purchased would be included in the same row.
Existing table example
Customer #. Name. Product. Order number
1. Smith, John. Widget 1. 1000.1
1. Smith, John. Widget 2. 1000.2
2. Doe, Jane. Widget 3. 1001.1
This is what I need
Customer #. Name. Product 1. Product 2. Product 3
1. Smith, John Widget 1. Widget2
2. Doe, Jane. Widget 3
I hope that makes sence.
Thank you,
Chris
2  2196 
I am super tired haven't slept much this week but it should be something close to this:
SELECT * GROUP_CONCAT('P roduct' ORDER BY 'Product' ASC SEPARATOR '. ') AS 'Products' FROM 'table' GROUP BY 'CustomerNumber '
Your field names will differ but that's the basic idea I think...
You will definitely need to mess with the field names, and * is just there because I don't know what you have in there.
NeoPa 32,566
Recognized Expert Moderator MVP
This isn't too straightforward a concept, which makes sense as it is contrary to normalised handling of data, intrinsic to any RDBMS. That said, it has been covered before ( Combining Rows-Opposite of Union). I hope that this enables you to do what you require.
Be very careful of non-normalised ( Database Normalisation and Table structures) designs though. They can appear to make life simpler, only to bite you in the bum later on.
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