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知乎专栏多维度架构

71.9. ERROR 1086 (HY000): File '/var/lib/mysql-files/order.txt' already exists

SELECT * FROM tabname INTO OUTFILE 不支持覆盖操作,这是MySQL从安全角度考虑的。

		
mysql> SELECT * FROM `order` INTO OUTFILE '/var/lib/mysql-files/order.txt';
ERROR 1086 (HY000): File '/var/lib/mysql-files/order.txt' already exists