---
tags: [ database ]
---
# To connect to a database:
mysql -h  -u  -p

# To backup all databases:
mysqldump --all-databases --all-routines -u  -p > ~/dump.sql

# To restore all databases:
mysql -u  -p  < ~/fulldump.sql

# To create a database in utf8 charset:
CREATE DATABASE owa CHARACTER SET utf8 COLLATE utf8_general_ci;

# To add a user and give rights on the given database:
GRANT ALL PRIVILEGES ON database.* TO 'user'@'localhost'IDENTIFIED BY 'password' WITH GRANT OPTION;

# To list the privileges granted to the account that you are using to connect to the server. Any of the 3 statements will work. :
SHOW GRANTS FOR CURRENT_USER();
SHOW GRANTS;
SHOW GRANTS FOR CURRENT_USER;

# Basic SELECT Statement:
SELECT * FROM tbl_name;

# Basic INSERT Statement:
INSERT INTO tbl_name (col1,col2) VALUES(15,col1*2);

# Basic UPDATE Statement:
UPDATE tbl_name SET col1 = "example";

# Basic DELETE Statement:
DELETE FROM tbl_name WHERE user = 'jcole';

# To check stored procedure:
SHOW PROCEDURE STATUS;

# To check stored function:
SHOW FUNCTION STATUS;