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

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

sql delete duplicate data, keep one, and keep update_time biggest piece

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.

Delete duplicate data in the database and keep a

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MSSQL sql server 2005/2008 row_number() function application – delete duplicate records in the table and keep only one unique data

MSSQL sql server 2005/2008 row_number() function application – delete duplicate records in the table and keep only one unique data

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An increment table inside a total of seven data, delete the last two data, restart the MySQL database, and insert a piece of data, this time id is a few? How to get the current version of the database?

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