MySQL data export to csv query

SELECT *
FROM original_table
INTO OUTFILE 'original_table.csv'
  CHARACTER SET euckr
FIELDS TERMINATED BY ','
  OPTIONALLY ENCLOSED BY '"'
  ESCAPED BY '\\'
LINES TERMINATED BY '\n';

SELECT
  customer_id,
  firstname,
  surname
INTO OUTFILE '/exportdata/customers.txt'
FIELDS TERMINATED BY ','
  OPTIONALLY ENCLOSED BY '"'
LINES TERMINATED BY '\n'
FROM customers;