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Editorial Team
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Asked: 2026-06-06T04:55:26+00:00

I have two tables that have virtually identical content and very similar structure. They

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I have two tables that have virtually identical content and very similar structure. They were our live database vs our dev database. Our dev database schema has been changed a little to reflect needs but now we need it to become the new live structure.. So I just need delete the data out of our dev table and import what’s currently live into the dev using the new dev structure.

Our table structure is massive or I’d post the differences but I’d think the concept is general.

if anyone has any advice that’d be greatly appreciated.

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  1. Editorial Team

    I advise to ALTER TABLE live table, if that is not appropriate use 

    INSERT INTO `dev` (`field1`, `field2` ..., `fieldN`) 
SELECT `field1live`, `field2live` ..., `fieldNlive` FROM `live`

    fieldXlive can be replaced with migration expression for his column.

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