Mysql examples: Difference between revisions

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==Change the password of a user==
SET PASSWORD FOR 'user'@'host' = PASSWORD('new pw');
==add a column to a table==
==add a column to a table==



Revision as of 21:58, 7 June 2015

Change the password of a user

SET PASSWORD FOR 'user'@'host' = PASSWORD('new pw');

add a column to a table

ALTER TABLE exports ADD level VARCHAR(20);

rename or change a colume data type

ALTER TABLE exports CHANGE hostname name  INT

insert some values

INSERT INTO exports (hostname, export) VALUES('fuego', 'sec=sys,rw' )

output to csv

Directly from the mysql cli, or when piped to the mysql client:

SELECT * FROM employees INTO OUTFILE '/tmp/employees.csv' FIELDS TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED BY '\n'

With echo in a single line:

echo SELECT \* FROM employees   INTO OUTFILE  \'/tmp/employees.csv\' FIELDS TERMINATED BY \',\' ENCLOSED BY \'\"\' LINES TERMINATED BY \'\\n\' | mysql -u root -p company