In Older Versions of MySQL:
SELECT
customer_id,customer_name,customer_age
FROM
customer
WHERE
salary > 50000
INTO OUTFILE '/var/lib/mysql-files/orders.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\n';
In Newer Versions of MySQL:
SELECT
customer_id,customer_name,customer_age
INTO OUTFILE '/var/lib/mysql-files/orders.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
LINES TERMINATED BY '\n';
FROM
customer
WHERE
salary > 50000