Difference between revisions of "MySQL"
From Useful Things
| Line 1: | Line 1: | ||
| + | = Command-line = | ||
| + | == Common arguments == | ||
| + | <code>-h</code> remote host<br /> | ||
| + | <code>-u</code> remote user<br /> | ||
| + | <code>-p</code> requires password | ||
| + | |||
| + | == Connect to remote MySQL server == | ||
| + | <source lang="bash"> | ||
| + | mysql -h remote.host.com -u remoteuser -p | ||
| + | </source> | ||
| + | |||
= User management = | = User management = | ||
Revision as of 23:15, 9 July 2014
Contents
Command-line
Common arguments
-h remote host
-u remote user
-p requires password
Connect to remote MySQL server
mysql -h remote.host.com -u remoteuser -pUser management
Adding a user
grant all privileges on {database_name}.* to {database_user}@'%' identified by 'their_password';Revoking privileges
revoke usage on {databse_name}.* from {database_user}@'%';Removing a user
drop user {database_user}@'%';Triggers
Before
- OLD table name does not exist here
create trigger {trigger_name} before [update|insert|delete] on {table_name}
for each row begin
insert into {new_table} (col1, col2, col3) values (OLD.col1, OLD.col2, OLD.col3)
endAfter
- OLD and NEW table names can be used to access the old value and the new value respectively
create trigger {trigger_name} after [update|insert|delete] on {table_name}
for each row begin
insert into {new_table} (col1, col2, col3) values (OLD.col1, NEW.col2, OLD.col3)
endImporting
From CSV
load data local infile 'file_name.csv' into table table_name
fields terminated by ',' enclosed by '"'
lines terminated by '\n'
(col1, col2, coln, ...)