How to declare variable in trigger with MySQL?

MySQL trigger please help!?

  • I want a trigger that if row "ranged" has been updated or inserted into, then it copies that rows information into row "range" in the same table which is named "area". Is this possible? Table name = Area Row being updated = ranged Row that needs to take ranged and copy that information into is = range. so when "ranged" is updated it copies the value in that row into the column "range"

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Database Normalization Ebook Why is it so hard to design and maintain high-performing relational Databases? free ebook download www.digitalstorebox.net

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