leetcode delete duplicate data in a table mailbox, and keep the smallest piece of id - Code World

leetcode delete duplicate data in a table mailbox, and keep the smallest piece of id

Others 2019-08-14 15:23:21 views: null

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leetcode delete duplicate data in a table mailbox, and keep the smallest piece of id

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Find those fields in a table that are duplicated through sql, and delete the duplicate data and leave the one with the smallest id. Use the syntax in to delete the data in a certain interval.

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