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Tag: mysql

Mysql delete duplicate records and only keep one row

Recently, I have been working for a subject storehouse system. Since duplicate subject are added to the storehouse, it is necessary to query the duplicate subject, and delete all duplicate subject leave only one, so that the duplicate subject cannot be taken when the test is taken. First wrote a small example: Single field operation […]

August 20, 2019By Simo mysql delete duplicate records, mysqlLeave a Comment
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