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#1062 - Duplicate entry '' for key 'unique_id' When Trying to add UNIQUE KEY (MySQL)
    I've got an error on MySQL while trying to add a UNIQUE KEY. Here's what I'm trying to do. I've got ... the table already. Thanks for your help! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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