select * from cr01
into outfile 'C:/Users/del/Desktop/table1_data.csv'
character set gb2312
fields terminated by ',' optionally enclosed by '"' escaped by '"'
lines terminated by '\r\n'

select * from cr01;
delete  from cr01;

load data infile 'C:/Users/del/Desktop/table1_data.csv'
into table cr01 character set gb2312
fields terminated by ',' optionally enclosed by '"' escaped by '"'
lines terminated by '\r\n';