mysql 類型轉換 使用CAST或者CONVERT把varchar類型轉換int排序

1 BINARY[(N)] 2 CHAR[(N)] 3 DATE 4 DATETIME 5 DECIMAL 6 SIGNED [INTEGER] 7 TIME 8 UNSIGNED [INTEGER] --使用CAST將varchar轉換成int類型排序 select server_id from cardserver where game_id = 1 order by CAST(server_

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